a. 48 square centimeters
b. 19 square centimeters
c. 42 square centimeters
d. 24 square centimeters

A. 48 Square Centimetersb. 19 Square Centimetersc. 42 Square Centimetersd. 24 Square Centimeters

Answers

Answer 1

Answer:48

Step-by-step explanation:


Related Questions


One number is 14 less than another. If their sum is increased by seven, the result is 85. Find the numbers.

Answers

Answer: 32, 46

Step-by-step explanation:

a=number 1. b=number 2

a=b-14

a+b+7=85

b-14+b+7=85

b+b-14+7=85

2b-7=85

2b=92

b=46

a=46-14

a=32

Answer:



Step-by-step explanation:

the equation to find this is

x+(x+14)+7=85

first minus the 7

X+(x+14)+7-7= 85-7

x+(x+14)=78

78÷2 = 39

42+36

Evaluate 3x - 7 when x = 4

Answers

Hi
Check out the attached photo

Answer:

5

Step-by-step explanation:

3x-7

=3×4-7

=12-7

=5..........

2. Find and simplify the product of f and g *
given the functions f (x)
; g(x) = -²
=
x+2
(2 Points)

Answers

The product of the functions f(x) and g(x), where the functions f(x) = [tex]x+2[/tex] and g(x) = [tex]-x^{2}[/tex] is

As per the given question statement, we are supposed to find and simplify the product of the functions f(x) and g(x), where the functions f(x) = [tex]x+2[/tex]and g(x) = [tex]-x^{2}[/tex].

Let's assume [tex]m(x)[/tex] be the product of the functions [tex]f(x)[/tex] and [tex]g(x)[/tex]

So, [tex]m(x) = f(x) * g(x)\\m(x)= (x+2)*(-x^{2} )\\m(x)=-x^{3} -2x^{2}[/tex]

Therefore the product of the functions f(x) and g(x), where the functions f(x) = [tex]x+2[/tex]and g(x) = [tex]-x^{2}[/tex] is [tex]m(x)=-x^{3} -2x^{2}[/tex]  

This question is a classic example of how to solve functions using different mathematical operations and using the concept of algebraic expressions.

Algebraic Expressions: An algebraic symbol or set of symbols that includes one or more integers, variables, and arithmetic operations.

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The vertical position y (in feet) of a rock t seconds after it was dropped from a cliff is given by the formula y equals short dash -16 t squared plus 4 t plus 380. The base of the cliff corresponds to y = 0. After how many seconds will the rock hit the ground at the base of the cliff?

Answers

The seconds that it will take the rock hit the ground at the base of the cliff is 5 seconds

How to calculate the value?

Based on the information given, it should be noted that the expression given is:

y = -16t² + 4t +380

We have to divide through by 4. Therefore,

y = -4t² + t + 95

y = -4t² + 20t - 19t + 95

y = -4t(t - 5) - 19(t - 5)

t - 5 = 0

t = 0 + 5

t = 5

The time taken will be 5 seconds.

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The sum of the ages of Steve and Ali is
three times the difference of their ages.
What is the ratio of Ali's age to Steve's
age if Ali is older?

Answers

The ratio of Ali's age to Steve's is 2 to 1.

How to find the ratio of Ali age to Steve age ?

The sum of the ages of Steve and Ali is three times the difference of their ages.

Therefore,

let

x = age of Steve

y = age of Ali

Hence,

x + y = 3(y - x)

x + y = 3y - 3x

Therefore,

x + 3x = 3y - y

4x = 2y

divide both side by 2

4x / 2 = 2y / 2

2x = y

The ratio of Ali's age to Steve's is 2 to 1.

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22. The area of a floor that is fourteen and one-half feet wide is two hundred thirty-nine and one-fourth square feet. Find the perimeter of the floor.

Answers

The perimeter of the floor is found to be 62 feet.

What is defined as the rectangle?

A rectangle is a closed two-dimensional shape with four sides, four corners, and four right angles (90°).

A rectangle's opposite sides are equal as well as parallel. Because a rectangle is a 2-D shape, it has two dimensions: length and width. The length of the rectangle is the longer side, and the width is indeed the shorter side.

Now, as per the given question;

The area of the rectangular floor is given as two hundred thirty-nine and one-fourth square feet.

Thus,

A = 239.25 feet

The width is fourteen and one-half feet.

Thus,

W = 14.5 feet

The formula for area is;

A = L×B  (L is the length)

Put the values;

239.25 = L×14.5

L = 239.25/14.5

L = 16.5 feet

The rectangular perimeter is;

P = 2(L + B)

P = 2(16.5 + 14.5)

P = 62 feet

Therefore, the perimeter of the rectangle floor is found to be 62 feet.

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Brody's age is 3 years less than twice Trinity's age? The sum of their ages is 30.

Answers

Answer: Brody's Age is 19 and Trinity's age is 11

Step-by-step explanation:

x = Trinity's age

2x-3= Brody's age

The sum of the ages is 30, so

x + (2x-3) = 30

3x - 3 = 30

add 3 to both sides 30 turns into 33 so,

3x = 33

divide by 3 both sides

x = 11 which is trinity's age and plug x  into 2x - 3 which is 19 so that's Brody's age.

Mayerlin wants to ride her bicycle 56 miles this week. She has already ridden 8 miles.
If she rides for 6 more days, what is the average number of miles she would have to
ride each day to meet her goal?



Please help!

Answers

if in the next 6 days she rides an average of 8 miles per day, she will meet her goal.

What is the average number of miles she would have to ride each day to meet her goal?

We know that Mayerlin wants to ride her bicycle for 56 miles this week, and she already has ridden 8 miles, so the distance left is:

56mi - 8mi = 48mi

Now, to find the average distance that she needs to ride each day in order to meet her goal, we need to take the quotient between the distance left and the number days that she has left (6 days), then we will get:

D = 48mi/6 = 8mi

This means that if in the next 6 days she rides an average of 8 miles per day, she will meet her goal.

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Gwen has loyalty card for a store that gives her a discount of 5% off the marked price of items. Office Chair $800, Acer Laptop $4580.

(a) How much will she pay if she bought the two items above?

(b) The store buys the chairs at $1 530 for two. Show whether the store made a profit on the one chair from Gwen’s Purchase.

Answers

a. ($800 x 0.95 = $760) + ($4580 x 0.95 = $4351) = $5111

b. $1530/2 = $765 per chair. Gwen buys one for $760 so the stored did NOT make a profit

[tex]\left|16x\right|\le 8[/tex]
Please help me with this, and thank you.

Answers

Answer:

-1/2 ≤ x ≤ 1/2 or x∈ [- 1/2, 1/2]

Step-by-step explanation:

|16x| ≤ 8|16x/16| ≤ 8/16|x| ≤ 1/2x ≤ 1/2 or x ≥ - 1/2

Combination of two inequalities above:

-1/2 ≤ x ≤ 1/2

Or interval notation:

x∈ [- 1/2, 1/2]

A list of needed materials calls for one​ five-pound pack of deck screws. You have three leftover packs. Two of them are 1/4 ​full, and the third pack is 1/3 full. Expressed as a​ fraction, what part of a full​ 5-pound pack of nails do you​ have?

Answers

Based on the fact that there are three leftover packs, the part of the 5-pound pack of nails that you have is 5/6

What part of the pack do you have?

To find the part of the full 5-pound pack of nails that you have, you need to add up all the fractions of the leftovers that you have.

The part of the full 5-pound pack that you have is:
= 1/4 + 1/ 4 + 1/3

= 3/12 + 3/12 + 4/12

= 10/12

In the simplest term, this is:

= 5/6

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Simplify 4.5p(2 − 0.2p).
A.9p − 0.9p2
B. 9p − 0.2p2
C. 9 − 0.2p2
D.9 − 0.9p2
show your work

Answers

The simplified form of 4.5p (2 - 0.2p) is option A 9p - 0.9p²

Given,

The expression: 4.5p (2 - 0.2p)

We have to simplify the expression:

Simplification:

A mathematical expression is simplified when it is replaced with a simpler, typically shorter, equivalent statement.

Difference between simplification and solving:

They are different in a way that extends the distinction between expressions and equations. Either equations or expressions can be simplified. Making the math language simpler entails shortening it. Finding the value or values that make the equation, or math sentence, true, is the process of solving.

That is,

4.5p (2 - 0.2p)

Open the bracket and do the multiplication:

(4.5p × 2) - (4.5p × 0.2p)

= 9p - 0.9p²

That is, the simplified form of the expression 4.5p (2 - 0.2p) is 9p - 0.9p².

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77. What is the circumference of the larger circle
shown above in terms of x?
A. 10 π x
B. 10 π +x
C. 10 π +2x
D. 10π+ 2πx

Answers

[tex]\textit{circumference of a circle}\\\\ C=2\pi r ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=5+x \end{cases}\implies C=2\pi (5+x)\implies C=10\pi +2\pi x[/tex]

The correct answer is C=10

Kim multiplied 8 x 0.952 and got 76.16. How can you estimate to show that kim answer is incorrect

Answers

You can round .952 to 1 then multiple 1(8) and get 8.

It is no where close to 76.16.

Select all the products that are equivalent to 1/6

A. −3/4⋅(−2/9)⋅1/2
B. −3/2⋅(−2/9)⋅1/2
C. −1/2⋅(−2/3)⋅1/2
D. 1/2⋅(−2/9)⋅1/2
E. 1/2⋅(−5/6)⋅(−2/5)

Answers

B, C, and E are the products equivalent to 1/6

We have been given five different products and we have to find out which of them are equivalent to 1/6. So,

(-3/4)*(-2/9)*(1/2)  =>  6/72  => 1/12(-3/2)*(-2/9)*(1/2)  =>  6/36  => 1/6(-1/2)*(-2/3)*(1/2)   =>  2/12  =>  1/6(1/2)*(-2/9)*(1/2)   =>  -2/36 => -1/18(1/2)*(-5/6)*(-2/5) =>  10/60 =>  1/6

Here we observe that the product of B, C, and E after solving them is equivalent to 1/6 whereas, the product of A and D is 1/12 and -1/18 respectively.

Hence, We get that the product for the numbers

(-3/2)*(-2/9)*(1/2), (-1/2))*(-2/3)*(1/2), and (1/2)*(-5/6)*(-2/5)

Which are Options B, C, and E equivalent to 1/6

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Hey I need help please help

Answers

The slope of the linear function shown in the graph is of 2, as:

Run = 2.Slope = rise/run = 4/2 = 2.

What is a linear function?

A linear function is modeled according to the following rule:

y = mx + b

In which:

m is the slope of the function, which is the rate of change of the function, that is, the change in y divided by the change in x.b is the y-intercept of the function, which is the the value of y when the function crosses the x-axis, that is, when x = 0.

For this problem, we want to find the slope given two points of the function, which are (2,4).

For the calculation, we have that:

The rise is the change in y.The run is the change in x.

Hence:

The rise is of 4 - 0 = 4.The run is of 2 - 0 = 2.The slope is of 4/2 = 2.

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Please help! 10 points. If u don’t know the answer don’t answer please!

Answers

Answer: The answer is C

Step-by-step explanation: Bro I'm in 8th grade rn and I know the answer XD my IQ is 137 :)

Answer:b

Step-by-step explanation:becuase -2x times 6x = -12x

then your done with that part so then multiply 7x7 and that's 49 so its

-12x+49

Find the odd one out 1.234,
123.4 hundredths,
1234 thousandths,
12.34,
123 hundredths and 4 thousandths

Answers

The decimal odd one out is: 123 hundredths and 4 thousandths.

What are decimals?

The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values.

Decimal notation is the term used to describe the method of representing numbers in the decimal system.

Given: 1.234 is a decimal.123.4 hundredths, 1234 thousandths and 12.34 are all different forms of the given decimal. But 123 hundredths and 4 thousandths is not.

This is due to the fact that in the other selections, it is written in decimal format or is finished, but in the fourth or final option, it is purposefully not written in decimals. It is hence the outlier.

Hence, The decimal odd one out is: 123 hundredths and 4 thousandths.

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two investments totaling $28,000 produce annual income of $1435. One investment yields 9% per year, while the other yields 2% per year. How much is invested at each rate

Answers

The investment amount at 9% rate is $12500 and the investment

amount at 2% rate is $15500

What is mathematical expression?

A mathematical expression is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Let x be the amount invested at 9% rate.

And (28000−x) be the amount invested at 2% rate.

The total annual income is $1435

Let us find the amount invested at 9% rate:

x9%+2%(28000−x)=1435

9%+2%(28000−x)=1435

0.09x+0.02(28000−x)=1435

0.09x+560−0.02x=1435

0.09x−0.02x=1435−560

0.07x=875

x=875/0.07

x=12500

Let us find the investment amount at 2% rate:

⇒28000−x

⇒28000−12500

⇒15500

Therefore, the investment amount at 9% rate is $12500 and the investment amount at 2% rate is $15500.

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A kinara is a candle holder used during Kwanzaa celebrations. The graph shows the
number of kinaras, rounded to the nearest 500, an online store sold each year for 15
years. A line of fit is drawn to show the trend of the data. What does the slope of the line
represent?

Answers

Answer:C

Step-by-step explanation:

The length of a rectangle is twice the width. The area of the rectangle is 94 square units. Notice that you can divide the rectangle into two squares with equal area. How can you estimate the side length of each​ square? Estimate the length and width of the rectangle.

Answers

Answer: w=[tex]\sqrt{47}[/tex], l=2[tex]\sqrt{47}[/tex]

Step-by-step explanation:

A=area of rectangle

A=l*w

A=2w*w

94=2w*w

w*w=47

w=[tex]\sqrt{47}[/tex]   ==> width of rectangle and side length of square

94=l*w

94=l*[tex]\sqrt{47}[/tex]

l=[tex]\frac{94}{\sqrt{47} }[/tex]

l=[tex]\frac{94\sqrt{47} }{47 }[/tex]

l=2[tex]\sqrt{47}[/tex]

PLEASE HELP !?!????!?

Answers

Answer: Supplementary Angles

Step-by-step explanation:

Supplementary angles are a pair of angles whose sum is 180°. 45° and 135° add up to 180°. Therefore, the answer is supplementary angles.

Use the figure for Items 2 and 3. Lines PS and TR intersect at point Q.

Answers

Applying the vertical angles theorem and the linear pair theorem, the measure of angle PQV is calculated as: 53°.

How to Apply the Linear Pair Theorem?

The linear pair theorem states that when two angles form a linear pair, the sum of both angles of the linear pair would be equal to 180 degrees.

What is the Vertical Angles Theorem?

Two angles that are a vertical pair, have a measure that is equal to each other, based on the vertical angles theorem. That is, they are congruent angles.

m<RQS + m<PQT = 180 degrees [linear pair theorem]

Substitute

(2m + 4)° + (3m + 1)° = 180°

Solve of the value of m

2m + 4 + 3m + 1 = 180

Add like terms together

2m + 3m + 4 + 1 = 180

5m + 5 = 180

5m + 5 - 5 = 180 - 5

5m = 175

5m/5 = 175/5

m = 35

m<PQR = 3m + 1 [vertical angles theorem]

Plug in the value of m

m<PQR = 3(35) + 1

m<PQR = 105 + 1

m<PQR = 106°

m<PQV = 1/2(m<PQR)

m<PQV = 1/2(106)

m<PQV = 53°

Thus, applying the vertical angles theorem and the linear pair theorem, the measure of angle PQV is calculated as: 53°.

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Answer:

The answer is 74

Step-by-step explanation:

Use the hundredth grids below to answer the questions. The first two hundredth grids show Sophia's work. The second two hundredth grids show Aiden's work.

This image shows Sophia's work. One whole 10-by-10 grid and 2 columns and 5 squares on a second grid are shaded blue. On the second grid, the remaining 5 squares in the third column, 3 more columns, and 5 more squares are shaded brown.

This image shows Aiden's work. One whole 10-by-10 grid and 2 columns and 5 squares on a second grid are shaded blue. On the second grid, 4 squares in the third column are shaded brown.

Part A

Which student correctly models the problem 1.25 + 0.4. Type your answer in the box.
Sophia

Part B
What is the correct answer for 1.25 + 0.4?

1.65

Part C
Explain the errors made by the incorrect student. Refer back to the models and use equations to support your explanation.

Answers

Answer:

Aiden got the question wrong because he added four squares instead of four columns. Aiden confused 0.4 with 0.04, using 4 ones instead of 4 tens.

Im sorry if this is confusing i hope it helped :)

HELP WITH THIS MATH QUESTION PLEASE! I WILL GIVE BRAINLYEST!!

Determine if each sequence below is arithmetic or not.

a. 200, 40, 8

b. -6,-3,0, 3

c. Danielles parents have offered her a way to earn her allowance each week. She would get paid $30 each week. Does the amount of money Danielle has earned on the nth week represent an arithmetic sequence?

d. The price of a stock on day n of the year​

Answers

Answer:

I think the answer would be the letter b

What is the distance between "-17" and "-6"

Answers

Answer:

11

Step-by-step explanation:

Answer:

11

Step-by-step explanation

17

-6

=11

ASAP Please help and thank you!

Charles, age 45, would like to determine how much life insurance to purchase using the human life value approach. He assumes his average annual earnings will remain at $40,000. Of this amount, $20,912 is available annually for the support of his family. Charles will generate this income for 24 more years and he believes that 5.37 percent is the appropriate interest (discount) rate. What is Charles' human life value? (Round your answer to 2 decimal places)

Answers

Using it's formula, it is found that Charles' human life value is of $26,951.39.

What is the human life value formula?

The human life value formula(HLV) is given by the following multiplication:

HLV = Annual Expenses x Number of Years x Interest Rate.

For this problem, we have that:

$20,912 is available annually for the support of his family, hence the annual expenses are of $20,912.Charles will generate this income for 24 more years, hence the number of years is of 24.As stated in the problem, the interest rate is of 5.37%, hence, as a decimal, is of 0.0537.

Hence, applying the formula, we have that Charles' human life value is found as follows:

HLV = 20912 x 24 x 0.0537

HLV = $26,951.39.

Charles' human life value is of $26,951.39.

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Construct a parallelogram PQRS such that PQ = 8.1 cm, QR = 6.9 cm and the diagonal QS = 10.4 cm. Measure and write down the length of the diagonal PR.​

Answers

Answer:

10.4 it is the correct answer please mark me as a brainlist

Bryan ran 100 meters in 14.5 seconds. How long did he take to run 5 meters?

Answers

Answer: 0.725 seconds

Step-by-step explanation:

5 meters*14.5 seconds/100 meters=

5*14.5/100=

72.5/100=0.725 seconds

How much it’s 27+ 0.185

Answers

It is 27.185. You add 27 and 0.185

Answer:

27.185

Step-by-step explanation:

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