Jonah's swimming pool is 21 meters by 20 meters. He swam from one corner of the pool to the opposite corner. How far did Jonah swim?

Answers

Answer 1

Jonah swam a distance of 29 meters from one corner of the pool to the opposite corner.

To determine how far Jonah swam from one corner of the pool to the opposite corner, we can use the Pythagorean theorem. According to the theorem, in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the other two sides.

In this case, the two sides of the right-angled triangle are the length and width of the swimming pool, which are 21 meters and 20 meters respectively. The distance Jonah swam represents the hypotenuse of the triangle.

Using the Pythagorean theorem:

[tex]Hypotenuse^2 = Length^2 + Width^2[/tex]

[tex]Hypotenuse^2[/tex] =[tex]21^2 + 20^2[/tex]

[tex]Hypotenuse^2[/tex]= 441 + 400

[tex]Hypotenuse^2[/tex]= 841

Taking the square root of both sides, we find:

Hypotenuse =[tex]\sqrt{841[/tex]

Hypotenuse = 29

Jonah swam a distance of 29 meters from one corner of the pool to the opposite corner.

According to the Pythagorean theorem, in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the other two sides.

The two sides of the right-angled triangle are the length and width of the swimming pool, which are 21 meters and 20 meters respectively. The distance Jonah swam represents the hypotenuse of the triangle.

Using the Pythagorean theorem:

[tex]Hypotenuse^2 = Length^2 + Width^2\\Hypotenuse^2 = 21^2 + 20^2\\Hypotenuse^2 = 441 + 400\\Hypotenuse^2 = 841[/tex]

Taking the square root of both sides, we find:

Hypotenuse = [tex]\sqrt841[/tex]

Hypotenuse = 29

Jonah swam a distance of 29 meters from one corner of the pool to the opposite corner.

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Related Questions

if a student is a sophomore what is the probabillty that they travle the world

Answers

Traveling the world is a popular dream for many people, including students. While there is no way to know for sure what the probability is that a sophomore student will travel the world, there are some factors that may influence their likelihood of doing so.

For example, students who have access to financial resources and support from their families may be more likely to travel than those who don't. Additionally, students who are studying subjects that are related to travel, such as international relations, may be more interested in exploring the world.

There are also other factors that can influence a student's travel plans, such as personal preferences, cultural background, and availability of opportunities. Ultimately, the decision to travel the world is a personal one that depends on a wide range of factors.

In summary, there is no definitive answer to the question of what the probability is that a sophomore student will travel the world. However, there are many factors that can influence their likelihood of doing so.

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Which expressions are less than 7/8? Choose2 answers 7/8 x 9/19 7/8 x 3/4 7/8 x 9/9 7/8 x 4/3 ​

Answers

The two expressions that are less than 7/8 are 7/8 x 9/19 and 7/8 x 3/4.

To determine which expressions are less than 7/8, we can compare them individually to 7/8 and evaluate their values.

Let's consider each expression one by one:

7/8 x 9/19:

To compare this expression to 7/8, we multiply the fractions:

(7/8) x (9/19) = 63/152.

Since 63/152 is less than 7/8, this expression is less than 7/8.

7/8 x 3/4:

Multiplying the fractions:

(7/8) x (3/4) = 21/32.

Since 21/32 is less than 7/8, this expression is less than 7/8.

7/8 x 9/9:

The fraction 9/9 simplifies to 1, so the expression becomes:

(7/8) x 1 = 7/8.

Since 7/8 is equal to 7/8 (not less than), this expression is not less than 7/8.

7/8 x 4/3:

Multiplying the fractions:

(7/8) x (4/3) = 28/24.

We can simplify 28/24 to 7/6.

Since 7/6 is greater than 7/8, this expression is not less than 7/8.

Therefore, the two expressions that are less than 7/8 are 7/8 x 9/19 and 7/8 x 3/4.

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What did Li’s crush give his Girl Friend and why was his mother upset later about the gift? Provide evidence from the text to support your response.

Answers

In the excerpt, Li's crush gave his girl   friend a rose. The text states: Li's crush gave his girl   friend a rose. She was so happy!

Li's mother was upset about the gift later because she thought it was too expensive.

How to explain the excerpt

The text states: Li's mother was upset when she found out how much the rose cost. She thought it was too much money to spend on a gift.

Li's mother's reaction is understandable. Roses are expensive flowers, and it is possible that Li's mother did not have the money to spend on such a gift. However, it is also important to remember that Li's crush was trying to do something nice for his girl friend, and the rose was a symbol of his love for her. In the end, it is up to Li and his girl friend to decide whether or not the rose was worth the money.

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What’s the factor of the expression?

Answers

The answer to this question: B

What is the the measure of A
B
40°
?
C

Answers

Answer:

Step-by-step explanation:

To find the measure of angle A

PLEASE ANSWER ASAP!!!!!

Answers

Answer:

[tex]\huge\boxed{\sf r = 5}[/tex]

Step-by-step explanation:

Given that,

7(q + 5) = (q + r)7Distribute

7q + 35 = 7q + 7r

Subtract 7q from both sides

7q - 7q + 35 = 7q - 7q + 7r

35 = 7r

Divide both sides by 7

35/7 = r

5 = r

OR

r = 5

[tex]\rule[225]{225}{2}[/tex]

Answer:

r = 5

Step-by-step explanation:

Given statement,

→ 7(q + 5) is equivalent to (q + r)7.

Forming the equation,

→ 7(q + 5) = 7(q + r)

Now we have to,

→ Find the required value of r.

Then the value of r will be,

→ 7(q + 5) = 7(q + r)

Applying Distributive property:

→ 7(q) + 7(5) = 7(q) + 7(r)

→ 7q + 35 = 7q + 7r

Cancelling 7q from both sides:

→ 35 = 7r

→ 7r = 35

Dividing the RHS with number 7:

→ r = 35/7

→ [ r = 5 ]

Therefore, the value of r is 5.

The difference between an observational study and an experiment is thatin an observational study, only one group is studied, and in an experiment, two groups are studied.in an observational study, the researchers do not control treatment, and in an experiment, they do.in an experiment, cause-and-effect is analyzed, and in an observational study, it is not.in an experiment, one group is studied over a short period of time, and in an observational study, the group is studied over a longer period of time.

Answers

The difference between an observational study and an experiment is that  in an observational study, the researchers do not control treatment, and in an experiment, they do

What is observational study and an experiment?

In an observational study, it should be noted that the participants are measured or surveyed without any attempt to influence them. *

However the controlled experiment, participants or objects are divided into groups, and one group is given a treatment while the other is not.

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In a class of students, the following data table summarizes how many students play
an instrument or a sport. What is the probability that a student chosen randomly
from the class plays a sport and an instrument?
Plays a sport
Does not play a sport
Plays an instrument Does not play an instrument
10
3
8
2

Answers

50% probability that a student chosen randomly from the class does not play a sport.

Using the probability concept, it is found that there is a 0.5 = 50% probability that a student chosen randomly from the class does not play a sport.

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem:

In total, there are 8 + 7 + 3 + 12 = 30 students.

Of this total, 3 + 12 = 15 do not play a sport.

Thus, probability = 15/30

= 1/2

= 0.5

Therefore, 50% probability that a student chosen randomly from the class does not play a sport.

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What change in volume results if 60.0 mL of gas is cooled from 33.0°C to 5.00°C​

Answers

Answer:

The change in volume is -5.5 mL (a decrease in volume of 5.5 mL) when 60.0 mL of gas is cooled from 33.0°C to 5.00°C.

Step-by-step explanation:

To calculate the change in volume, we need to use the ideal gas law equation:

V1/T1 = V2/T2

where V1 and T1 are the initial volume and temperature, and V2 and T2 are the final volume and temperature.

Given:

V1 = 60.0 mL

T1 = 33.0°C = 33.0 + 273.15 = 306.15 K

T2 = 5.00°C = 5.00 + 273.15 = 278.15 K

Now we can calculate V2, the final volume:

V1/T1 = V2/T2

(60.0 mL) / (306.15 K) = V2 / (278.15 K)

Cross-multiplying and solving for V2:

V2 = (60.0 mL) * (278.15 K) / (306.15 K)

V2 = 54.5 mL

The final volume, V2, is 54.5 mL.

To find the change in volume, we subtract the initial volume from the final volume:

Change in volume = V2 - V1

Change in volume = 54.5 mL - 60.0 mL

Change in volume = -5.5 mL

Therefore, the change in volume is -5.5 mL (a decrease in volume of 5.5 mL) when 60.0 mL of gas is cooled from 33.0°C to 5.00°C.

Lucas wants to create a triangle with sides measuring 9 inches 13 inches and 15 inches. He says that more than one triangle is possible given the side lengths. What time about Lucas claim is true?

Answers

The Triangle Inequality Theorem holds for these values, and only one triangle is possible with these side lengths. Lucas' claim is false.

What is Triangle Inequality Theorem ?

According to the Triangle Inequality Theorem, any two triangle sides' sums must be greater than the length of the third side. In other words, the following three inequalities must hold for any three positive numbers, a, b, and c:

a+b>c

a+c>b

b+c>a

In this case, a=9, b=13, and c=15. Let's check if the Triangle Inequality Theorem holds for these values:

9+13>15 (true)

9+15>13 (true)

13+15>9 (true)

Therefore, the Triangle Inequality Theorem holds for these values, and only one triangle is possible with these side lengths.

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50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

The calculated measure of the angle 1 is 43 degrees

How to determine the measure of the angle 1

From the question, we have the following parameters that can be used in our computation:

The circle

Also, we have

The line AB tangent to the circle

This means that

Angle 1 = 1/2 * the arc subtended by the line

So, we have

Angle 1 = 1/2 * 86

Evaluate

Angle 1 = 43

Hence, the measure of the angle 1 is 43 degrees

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Over a period of one year, a retailer sells widgets at 11
different prices. He Calculates the average number of oiunds sold per day at each different price. From theese data, the following are calculated.

Answers

The regression equation is: y = -0.0068824x + 36.8881

So, the correct option is:

D) None of these.

To compute the regression equation based on the given data, we can use the formulas for slope (b1) and y-intercept (bo):

b1 = (NΣXY - ΣXΣY) / [tex](N\sum X^2 - (\sum X)^2)[/tex]

bo = (ΣY - b1ΣX) / N

Where:

N = Number of data points (in this case, 11)

ΣX = Sum of all X values (prices)

ΣY = Sum of all Y values (average number of pounds sold per day)

ΣXY = Sum of the product of X and Y values

[tex]\sum X^2[/tex] = Sum of the squares of X values

Using the provided data:

Ex = 210

Xy = 450

Zcy = 10387

Zz = 7275

Xy = 42471

Let's calculate the required values:

N = 11

ΣX = Ex + Zcy + Zz = 210 + 10387 + 7275 = 17872

ΣY = Xy = 450

ΣXY = Xy = 450

[tex]\sum X^2 = (Ex)^2 + (Zcy)^2 + (Zz)^2 = (210)^2 + (10387)^2 + (7275)^2 = 239208144[/tex]

Now, substitute these values into the formulas to find b1 and bo:

[tex]b1 = (11 \times450 - 17872 \times 450) / (11 \times239208144 - (17872)^2)[/tex]

= -14112250 / 2050445128

≈ -0.0068824

bo = (450 - (-0.0068824 [tex]\times[/tex] 17872)) / 11

= (450 + 122.7790368) / 11

≈ 36.8881

Therefore, the regression equation is:

y = -0.0068824x + 36.8881

So, the correct option is:

D) None of these.

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The complete question may be like:

Over a period of one year, retailer sells widgets at 11 different prices. He Calculates the average number of oiunds sold per day at each different price. From theese data, the following are calculated. Ex = 210, Xy = 450, Zcy = 10387, Zz? 7275 Xy? 42471 Compute the regression equation , SELEC A) y 0.20261x + 0.549951 B) y = 0.549951x + 30.410021 C) y = 0.20261. + 30.410021 D) none of these =b1x + bo.

Circle the error in the problem and rewrite what the correct step should be

Answers

The error in the problem is given by the equation in step(3). and the value is given by g ( x ) = 2x² + 4x - 4

Given data ,

Let the equation be represented as g ( x )

Now , the value of g ( x ) is

g ( x ) = 2 ( x + 1 )² - 6

On simplifying the equation , we get

From the distributive law of multiplication , we get

g ( x ) = 2 ( x + 1 ) ( x + 1 ) - 6

g ( x ) = 2 ( x² + 2x + 1 ) - 6

On further simplification , we get

g ( x ) = 2x² + 4x + 2 - 6

g ( x ) = 2x² + 4x - 4

Therefore, the value of g ( x ) is g ( x ) = 2x² + 4x - 4

Hence , the equation is g ( x ) = 2x² + 4x - 4

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a floor that is 15 15 feet by 12 feet is being covered by tiles that are 1.5 feet by 1.5 feet. which is the best represents the number of tiles that will be needed

Answers

The best representation of the number of tiles that will be needed to cover the Floor is 80 tiles.

The number of tiles needed to cover the floor, we can calculate the total area of the floor and divide it by the area of each tile.

The area of the floor is given by the product of its length and width: 15 feet * 12 feet = 180 square feet.

The area of each tile is given by the product of its length and width: 1.5 feet * 1.5 feet = 2.25 square feet.

To find the number of tiles needed, we divide the total area of the floor by the area of each tile:

Number of tiles = (Total area of the floor) / (Area of each tile) = 180 square feet / 2.25 square feet = 80 tiles.

therefore, the best representation of the number of tiles that will be needed to cover the floor is 80 tiles.

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how many cubic inches will a rectangular pyramid hold if its 15 in height by 12 inches base

Answers

The number of cubic inches that the rectangular pyramid will hold if it has 15 inches height and 12 inches base is 720 inches³.

Here we have to find the volume of the pyramid since cubic unit means the volume.

We know that,

Volume of any pyramid = 1/3 × Base area × Height

Here the given pyramid is a rectangular pyramid.

Base of the pyramid will be a rectangle.

So, base area = length × width

Now given that,

Base is 12 inches.

Since there is only a dimension, width and length will be equal to 12 inches.

So base area = 12 × 12 = 144 inches²

Height = 15 inches

Volume of the pyramid = 1/3 × 144 × 15

                                       = 720 inches³

Hence the volume is 720 inches³.

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You borrow $25,000 at an interest rate of 5.2% compounded monthly and your monthly payment is $231.49.
What is the interest accrued in the first month?

Answers

Using the compound interest formula,  the interest after one month is $1300

What is compound interest?

The compound interest formula is given by A = P(1 + r)ⁿ where

A = amount after time n, P = principal, r = interest rate and n = time

Now, since y borrow $25,000 at an interest rate of 5.2% compounded monthly and your monthly payment is $231.49. To find  the interest accrued in the first month, we proceed as follows.

So, in the compound interest formula, we have that

P = $25,000r = 5.2 % = 0.052 and n = 1

So, to find the amount after one month, we substitute the values of the variables into the equation. So, we have that

A = P(1 + r)ⁿ

A = 25000(1 + 0.052)¹

A = 25000(1.052)

A = 26300

So, the interest after one month is I = A - P

= $26300 - $25,000

= $ 1300

So, the interest is $1300

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Which expression can be used to find the value of x?
(sin 29°) (sin 42°)
9
O
○ 9(sin 29°) (sin 42°)
O
9(sin 29°)
sin 42°
9(sin 42°)
sin 29°

Answers

Answer:

Step-by-step explanation:

In the figure below, j Il m. Find the values of y and z.
78°
11
>
(4z - 14)
y=
Z =

Answers

The values of the variables are y = 102° and z = 23°.

Given that are two parallel lines j and m we need to find the measures of the variables y and z,

So,

Since, j║m, therefore, y and 78° are supplementary because they are exterior consecutive angles between two parallel lines,

So,

y + 78° = 180°

y = 180° - 78°

y = 102°

Now,

y and (4z-14) are linear pair angles, which means they are also supplementary.

Therefore,

y + (4z-14) = 180°

102° + 4z - 14 = 180°

4z + 88 = 180°

4z = 92°

z = 23°

Hence the values of the variables are y = 102° and z = 23°.

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Find the area of each regular polygon. Round your
answer to the nearest tenth if necessary.
10.4
661.5
364
O 462.7
533.6
10

Answers

Area of the given heptagon = 364 square unit.

The given figure is regular heptagon,

length of each side = 10

Distance between Centre and edge = 10.4

Since we know that,

A seven-sided polygon with seven angles, seven vertices, and seven edges is known as a heptagon. They may have the same or different length dimensions. It is a closed figure, and a regular heptagon is one with all equal seven sides.

Now,

Perimeter of the given heptagon = 7x10

                                                       = 70

Area of heptagon = perimeter x 10.4/2

                              = 70 x 5.2

                              = 364

Hence,

Area = 364 square unit.

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50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

The value of x is 8 units.

Given that a right triangle, with an altitude dividing the hypotenuse into 4 and 16 units,

The measure of the altitude is x we need to find the measure of the x,

So, according to the definition of similarity,

Their corresponding sides are proportional,

We get,

x / 4 = 16 / x

x² = 4 × 16

x² = 64

x = 8

Hence the value of x is 8 units.

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Which polynomial function could be represented by the graph below?

Answers

First, substitute one of the x intercepts and whichever one gives an answer of 0 is a possible answer. If you substitute x=2 in all of them, you will have A and C as 0. Now substitute any point you want and see if it matches with the y value of the graph. Here we can use x=1 as that is the easiest. Substituting x=1 in A and C, we get -4 for A and 8 for C. The graph shows that at x=1, y =8 so the answer is C.

Determine the number of solutions:
10-
8-
O No Solution
6
4
2-
++++
-10-8-6-4-2,
N
पं
-6
-8
-10-
O Infinitely Many Solutions
One Solution
6x-2y=-4
3x-y=-2
2
8 10

Answers

Answer:

infinitely many solutions

Step-by-step explanation:

let's compare each equations to equation of a line

which is y=mx+c

first equation

6x - 2y = -4

-2y = -6x -4

divide through by -2

y=3x+2

second equation

3x-y= -2

-y= -3x-2

divide through by -1

y= 3x+2

since the slope and intercept of the first and second equation equal each other then the number of solutions is infinitely many.

note that m is slope and c is intercept.

A sample of 311 people is selected. The people are classified according to place of residence ("urban", "suburban", or "rural"). They are also classified according to highest educational degree earned ("no college degree", "two-year degree", "four-year degree", or "advanced degree"). The results are given in the contingency table below. Urban Suburban Rural No college degree Two-year degree Four-year degree 34 42 22 35 21 22 16 34 16 Advanced degree 23 23 23 What is the relative frequency of people in the sample whose place of residence is suburban and whose highest degree is a two-year degree? Round your answer to two decimal places.​

Answers

Answer: 0.07

Step-by-step explanation:

To find the relative frequency of people in the sample whose place of residence is suburban and whose highest degree is a two-year degree, we need to calculate the ratio of the number of people with those characteristics to the total sample size.

Looking at the contingency table, we can see that the number of people in the suburban category with a two-year degree is 21.

The total sample size is given as 311.

Therefore, the relative frequency can be calculated as:

Relative frequency = (Number of people in suburban category with two-year degree) / (Total sample size)

= 21 / 311

≈ 0.0676

Rounded to two decimal places, the relative frequency is approximately 0.07.

NEED HELP ASAP WILL GIVE BRAINLIEST HELP!

Answers

If Jeremy wants to try to prove ∠3 ≅ ∠6, then the statement that Jeremy can write is ∠1 ≅ ∠4

That's it :)

Can somebody please help?? i’ll give Brainliest to whoever answers first.

There are 625 students in Leon's school. He takes a random sample of 75 students from the entire school population. In the sample, 33
students are planning to attend the end of year picnic.
Based on his data, how many students from the entire school are planning to attend the end of year picnic? Show ALL your work!

Answers

Answer:

The answer is 275 students.

Step-by-step explanation:

In 75 students, 33 students attend.

So the ratio is 33/75.

so multiply with 625.

625 x 33/75 = 275

The average fourth grader is about three times as tall as the average newborn baby. If babiesare on average 45cm 7mm when they are born, What is the height of the average fourth grader?

Answers

The average fourth grader is about three times as tall as the average newborn baby. If babies are on average 45 cm 7 mm when they are born,  137 cm 1 mm is the height of the average fourth grader.

Given information,

Baby height is typically 45 cm. 7 mm 45 cm Since there are 10 millimeters in a centimeter, 7 mm is equal to 45.7 cm.

Assume that a fourth-grader is x inches tall.

The average height of a newborn baby (x) = 3 times the height of a fourth-grader.

A fourth-grader's height (x) is equal to 3 x 45.7.

A fourth-grader's height is equal to (x)=137.

Fourth-grader height (x) = 137 cm 1 millimeter

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what is the value of z (2x+6) degrees 12 degrees

Answers

The value of x indicated in the right angle of EFG is determined as 36.

option D.

What is the value of x?

The value of x is calculated by applying the principle of sum of angles in a right angle triangle as follows;

A right triangle has a right angle and two angles that are complementary.

If angle EFG is a right angle, then the sum of angles at point F is 90 degrees.

The value of x is calculated by setting up the following equations;

2x + 6 + 12 = 90

2x + 18 = 90

2x = 90 - 18

2x = 72

x = 72/2

x = 36

Thus, the value of x is calculated by applying the principle of sum of angles in a right angle triangle.

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Simplify 6 5/8 + 6 5/6

Answers

The required sum of mixed fraction answer is 12 35/24.

Given that 6 5/8 + 6 5/6.

To find the sum of two or more mixed fractions, add the whole part of two fractions, add the fraction part of two fractions, then add these sums.

The sum (s1) of whole parts of two fractions is

s1= 6 + 6 = 12.

The sum(s2) of fraction parts of two fractions is

s2 = 5/8 +5/6.

L.C.M of 8 and 6 is 24.

Multiply each fraction by 12/12 gives,

s2 = 5/8 × 24/24 + 5/6 × 24/24.

s2 = 15/24 + 20/24.

s2 = 35/24.

The sum of mixed fractions is s1 + s2

Sum = 12 + 35/24

Thus, the required sum of mixed fraction is 12 35/24.

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The perimeter of an isosceles triangle is 45 inches. Two sides of the triangle are congruent,
and the third side is twice as long as the sum of the congruent sides. What is the length of the
third side of the triangle in inches?

Answers

Answer:

Length of third side = 30 inches

Step-by-step explanation:

We will need a system of equations to find the length of the third side.

First equation:

Let x represent the length of just one of the congruent sides and let y represent the length of the third side.

We know the perimeter of a triangle is simply the sum of its sides.

Thus, since the perimeter is 45, our first equation is x + x + y = 45, which simplifies to 2x + y = 45.

Second equation:

Since we're told that the length of the third side is twice as long as the sum of the congruent sides, our second equation is y = 2(x + x), which simplifies to y = 2(2x) and then finally y = 4x

Method:  Substitution.

We can first solve for x (length of one of the congruent sides) by substituting y = 4x for y in 2x + y = 45:

2x + 4x = 45

6x = 45

x = 7.5

Find y:

Now we can find y (length of the third side) by plugging in 7.5 for x in y = 4x:

y = 4(7.5)

y = 30

Thus, the length of the third side is 30 inches.

Optional Step to check validity of answers.

First equation:  Check that the sum of 7.5, 7.5, and 30 = 45

7.5 + 7.5 + 30 = 45

15 + 30 = 45

45 = 45

Second equation:  Check that 30 is twice the sum of 7.5 + 7.5

30 = 2(7.5 + 7.5)

30 = 2(15)

30 = 30

Thus, our answers are correct and we've correctly determined the length of the third side of the triangle in inches.

An 80-ounce bottle of apple juice contains 32 ounces of water.

Answers

Using the proportion principle , Orange Juice has a greater percentage of water than Apple juice

Calculating Proportions

To determine which juice has a greater percent of water, we need to calculate the percentage of water in each juice.

Apple juice

Percentage of water = (Water content / Total content) * 100

Water content = 32 ounces

Total content = 80 ounces

Percentage of water in apple juice = (32 / 80) * 100 = 40%

Orange juice

Water content = 48 ounces

Total content = 64 ounces

Percentage of water in orange juice = (48 / 64) * 100 = 75%

Comparing the percentages, we can conclude that orange juice has a greater percentage of water (75%) than the apple juice (40%).

Therefore, the orange juice contains a higher percentage of water.

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Complete question :

an 80 ounce bottle of apple juice contains 32 ounces of water a 64 ounce bottle of orange juice has 48 ounces of water which juice has a greater percent of water

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