Answers
Answer:
a: 1/7 +2/7
b:1/7 +1/7+1/7
Related Questions
What is the area of this rectangle?
2.5 m
2 m
Answers
Answer:
5
Step-by-step explanation:
rational number or an irrational number.
-√64
15 pi
46.86 repeated
15/19
-2√6
Need help!
Answers
Answer:
-√64: rational
15 pi: irrational
46.86 repeated: rational
15/19: rational
-2√6: irrational
Step-by-step explanation:
From the picture that I used, I was able to find out which ones were rational and irrational.
-√64: rational because it equals to -8
15 pi: has "pi" in it
46.86 repeated: as long as it's repeated, it's rational
15/19: fractions are usually rational
-2√6: √6 is cannot be rationalized
Help me out on this question please
Answers
Answer:
[tex]your \: answer \: is \: option \: a[/tex]
I am sure about this answer.
Step-by-step explanation:
2/3 and 5/12
hope it helps..
pls mark as brainliest
You need to solve a system of equations. You decide to use the elimination
method. Which of these is not allowed?
Answers
The step that is not allowed is (b) add the left side of equation 2 to the left side of equation 1
How to determine the disallowed step?The system of equations is given as:
2x - 3y = 12
-2x + y = 8
Adding the two equations would eliminate x.Multiplying the second equation by 3 and then subtracting the resulting equation from (1) would eliminate yThis means that the step that is not allowed is (b)
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Find the complement of the set given that U = {x | x is in I and −3 ≤ x ≤ 9}.
{x | x is in I and −2 ≤ x < 5}
Answers
Answer:
Step-by-step explanation:
hello :
the complement of the set given that U = {x | x is in I and −3 ≤ x ≤ 9}is :
F = {x | x is in I and x <-3 or 9 < x}
same method for :{x | x is in I and −2 ≤ x < 5}
H={x | x is in I and x <-2 or 5 ≤ x}
Use calculus to find the area A of the triangle with the given vertices.
(0, 0), (4, 1), (2,6)
Answers
The area A of the triangle with the given vertices is 13 square units
How to determine the area A of the triangle with the given vertices?The vertices are given as
(0, 0), (4, 1), (2,6)
The area is calculated as
Area = 1/2 * |Ax(By - Cy) + Bx(Ay - Cy) + Cx(Ay - By)|
So, we have
Area = 1/2 * |0 * (1 - 6) + 4 * (0 - 6) + 2 *(0 - 1)|
Evaluate the sum of products
So, we have
Area = 1/2 * |-26|
Remove the absolute bracket
Area = 1/2 * 26
Evaluate the products
Area = 13
Hence, the area A of the triangle with the given vertices is 13 square units
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Can you please explain this?
Answers
Answer:
? = -2
Step-by-step explanation:
a + b = -2
so, now we need to find all (a + b) combinations in the large expression.
for example, we know
a = -2 - b
or b = -2 - a
and then
-b = 2 + a
but also
3b = -6 - 3a
so that
a - b = a + 2 + a = 2a + 2
therefore
(a + b)(a - b) = a² - b² = -2(2a + 2) = -4a - 4
(-4a - 4 - 12b - 36)/(-4a - 4 - 6a - 6b) =
(-4(a + 3b) - 40)/(-4a - 4 - 6(a + b)) =
(-4(a - 6 - 3a) - 40)/(-4a - 4 - 6×-2) =
(-4(-2a - 6) - 40)/(-4a + 8) =
(8a + 24 - 40)/(-4a + 8) = (8a - 16)/(-4a + 8) =
-2×(-4a + 8)/(-4a + 8) = -2
7n-15=41 What is the answer for n I will give you branlist
Answers
Answer:
n= -5
Step-by-step explanation:
you’ll end up with 56
7n=56
Divide both sides by 7
Answer: 8
The Cost Saver Grocery Club sells sheet cakes. Each 1/8 sheet of cake requires 0.65 teaspoon of baking soda.
How much baking soda is needed for a full sheet cake? Show your work
Answers
The amount of baking soda needed for a full sheet cake is 5.20 teaspoons.
How many baking soda is needed?
A fraction is a non-integer that is made up of a numerator and a denominator that is separated by a horizontal line. The numerator is the number above the horizontal line and the denominator is the number below the horizontal line. An example of a fraction is 1/8.
In order to determine how much baking soda is needed for a full sheet cake, multiply the amount that is needed for 1/8 of the sheet cake by 8. Multiplication is the mathematical operation that is used to determine the product of two or more numbers.
Baking soda needed for a full sheet cake = 8 x 0.65 = 5.2 tablespoons
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PLEASE HELP ASAP. THANK YOU
Answers
Answer:
i think it is 15 for x
and i think it's 10 for y
Step-by-step explanation:
tell me if i'm wrong
By rounding to 1 significant figure, estimate the answers to these questions:
a) 687 × 164
b) 476 × 2354
c) 8612 × 1497
Answers
The rounding of the numbers to 1 significant figure are-
a) 687 × 164 = 140000
b) 476 × 2354 = 1000000
c) 8612 × 1497 = 9000000.
What is defined as the significant figure?The term significant figures describes the number of significant single digits (0 to several 9 inclusive) in a scientific notation coefficient. The number of significant figures inside an expression indicates the degree of certainty or precision with where an engineer or scientist states a number.All zeros to the right of the decimals but to the left of a non-zero number in a decimal number between 0 and 1 are not significant. 0.00247, for example, only has three significant figures.a) 687×164
This number can be written in form of rounding to 1 significant figure as;
700 × 200 = 140000
b) 476×2354
As, the number can be written in form of rounding to 1 significant figure as;
500 × 2000=1000000
c) 8612×1497
These number can be written in form of rounding to 1 significant figure as;
9000×1000=9000000
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Find an equation of the tangent line to the graph of
y = g(x) at x = 3 if g(3) = −6 and g'(3) = 4.
(Enter your answer as an equation in terms of y and x.)
Answers
The line tangent to g(x) at x = 3 is:
y = 4*x - 18
How to find the equation of the tangent line?
If we have a function y = f(x), the slope of the line tangent at the point x = a is given by f'(a).
In this case, we know that g'(3) = 4, so the slope of the line is 4.
Then the line is something like:
y = 4*x + b
To find the value of b we use the fact that this line must pass through the point (3, g(3))
And we know that g(3) = -6
Then this line must pass through the point (3, -6), replacing that we get:
-6 = 4*3 + b
-6 = 12 + b
-6 - 12 = b = -18
Then the tangent line is:
y = 4*x - 18
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NEED HELPPP!!!! 20 POINTS WILL BE GIVEN..
Answers
Answer:
B.
Step-by-step explanation:
Raul received a score of 80 on a history test for which the class mean was 70 with standard deviation 10. He received a score of 75 on a biology test for which the class mean was 70 with standard deviation 2.5. On which test did he do better relative to the rest of the class?
Answers
Answer:
Raul performed better in the biology test
Step-by-step explanation:
Given
History
[tex]Score = 80[/tex]
[tex]Mean = 70[/tex]
[tex]Standard\ Deviation = 10[/tex]
Biology
[tex]Score = 75[/tex]
[tex]Mean = 70[/tex]
[tex]Standard\ Deviation = 2.5[/tex]
Required
Where did he perform better relative to other students
To do this, we simply calculate the z score in both tests and make comparison.
z score is calculated as thus;
[tex]z = \frac{x - Mean}{SD}[/tex]
For history;
[tex]z = \frac{80 - 70}{10}[/tex]
[tex]z = \frac{10}{10}[/tex]
[tex]z = 1[/tex]
For biology;
[tex]z = \frac{75 - 70}{2.5}[/tex]
[tex]z = \frac{5}{2.5}[/tex]
[tex]z = 2[/tex]
Since the z score in the biology test is greater than that of the history test, then he performed better in the biology test
Choose the correct answer.
Conjunctions that connect words, phrases, or clauses that are similar are called __________ conjunctions.
A) subordinate
B) correlative
C) coordinating
PLS HELP!
Answers
Answer C. Coordinating
Answer:
A) Subordinate
Step-by-step explanation:
it could help
A ball is drawn randomly from a jar that contains 7 red balls, 5 white balls, and 4 yellow ball. Find the probability of the given event.
Answers
Missing Part:
a. A red ball is drawn
b. A white ball is drawn
Answer:
a. [tex]P(Red) = 0.4375[/tex]
b. [tex]P(White) = 0.3125[/tex]
Step-by-step explanation:
Given
[tex]Red = 7[/tex]
[tex]White = 5[/tex]
[tex]Yellow = 4[/tex]
First, we need to calculate the total
[tex]Total = Red + White + Yellow[/tex]
[tex]Total = 7+5+4[/tex]
[tex]Total = 16[/tex]
Solving (a): Probability of Red.
This is calculated by dividing number of red balls by the total
So:
[tex]P(Red) = \frac{Red}{Total}[/tex]
[tex]P(Red) = \frac{7}{16}[/tex]
[tex]P(Red) = 0.4375[/tex]
Solving (a): Probability of White.
This is calculated by dividing number of white balls by the total
So:
[tex]P(White) = \frac{White}{Total}[/tex]
[tex]P(White) = \frac{5}{16}[/tex]
[tex]P(White) = 0.3125[/tex]
Square root 8 natural number
Answers
Answer:
it's Not a perfect square because 3.9x2.9 is 8.41 which means it isn't a perfect square
My lunch
was $5.65. If this is
my change, how much did
give the cashier?
Answers
Answer:
im thinking either b or c im leaning towards b
Step-by-step explanation:
ΔABC and ΔJLK have two sets of congruent angles. Are these triangles congruent or not? How do you know?
Answers
Answer:
I think that yes they are, but I maybe wrong.
Step-by-step explanation:
I believe that this is true because of the Angle-Angle congruence theorem.
Sonji bought a combination lock that opens with a four-digit number created using the digits 0 through 9. The same digit
cannot be used more than once in the combination.
It Sonji wants the last digit to be a 7 and the order of the digits matters, how many ways can the remaining digits be
chosen?
84
504
O 3,024
O 60,480
Mark this and return
Save and Exit
Next
Submnit
Answers
Answer:
it would be x =11*49
Step-by-step explanation:
Answer:
504
Step-by-step explanation:
Joy got a gift card for $10.25. Evelynne got a gift card that was 3 times the amount of Joy. Kaitlyn got a gift card for $1.50 more than Evelynne. How much was Kaitlyn’s gift card?
Answers
Mulitply 10.25 by 3 then add 1.50
Amanda found a job that pays $450 per week. She must pay a fee to the employment agency of 15% of her first three week’s pay. How much does she need to pay the employment agency?
Answers
Answer:
192.5
Step-by-step explanation:
amount of money for one week = 450
amount of money for 3 weeks = 1350
15 percent of 1350 = 1350 x 15
= 19250
divide 19250 by 100
answer is 192.5
---------------------------------------------------------------------------
Process:
$450 per week——
amount of money for three week’s pay=3×450=1350
amount of money for the 15% fee=1350×15%=202.5
So the answer is 202.5
Wish this will help. (^ - ^)
Right triangle PQR is shown on the graph below. If the point (x, 7) lies on the line that goes through side of the trianglethen what should be the value of x?
A. -2
B. 5
C. -3
D. 3
Answers
Answer:
C. -3
Step-by-step explanation:
First, find the slope of side QR. Calculate the slope by finding the ratio of the difference between the y-coordinates and the difference between the x-coordinates of points Q and R.
The slope of side QR can be found as shown below.
Now, using the slope of side QR, draw a triangle RST similar to the right triangle PQR with S(x, 7) as one vertex.
Next, find the value of x as shown below.
Therefore, the value of x in the point (x, 7) is -3.
Which number has a six that is ten times the value of the six in 1.67?
A. 1.96
B. 6.07
C. 5.36
D. 9.62
Answers
Answer:
B. 6.07
HAS A SIX THAT IS TEN TIMES THE VALUE OF THE SIX IN 1.67
⚠️NEED HELP ASPA⚠️
Determine whether each pair of triangles is similar. Justify your answer.
Answers
For example if you divide 42 by 27 you get 1.55
And if you do that to all the sides you also get 1.55 so therefore they are similar
where would -10 appear on a number line
Answers
Answer:
negatives to the left of 0, positives to the right of 0.
Adrian was using a recipe for a large pie that required one-fourth of a tablespoon of sugar . Instead of making one large pie , Adrian decided to use the recipe to make 2 small pies . How much sugar should he use each of the 2 small pies ?
A. 1/3 of a tablespoon
B. 1/4 of a tablespoon
C. 1/8 of a tablespoon
D. 1/2 of a tablespoon
Answers
Answer:
probably B.
Step-by-step explanation:
if he just halves the recipe, then it would still be 1/4 tablespoon because he is making 2 pies.
Triangle ABC ~ Triangle DEF. Find the length of median FQ. Show how to solve. 25 points
Answers
The length of the median FQ in image of the two similar triangles is: 36.
How to Find the Median of Similar Triangles?The corresponding segments and median of similar triangles are proportional, therefore, we will have the following:
PC/FQ = PB/QE
Substitute
27/FQ = 18/24
FQ = (24 × 27)/18
FQ = 36.
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Anybody know the answer??
Answers
Answer:
The answer is 5
Step-by-step explanation:
2x+7=17
2x=10
x=5
If u have more questions just ask
Brainliest Please
The radius of a sphere is 3 inches. Which represents the volume of the sphere?
O 121 Cubic inches
O 367 cubic inches
O 641 cubic inches
O 817 cubic inches
Answers
Answer: A.
Step-by-step explanation: The formula for the volume of a sphere is 4/3 x pi x radius cubed. The final answer is approx 121.1, which rounds down to 121. Brainliest plz
The option that represents the volume of the sphere given the radius is 113.04 in³.
What is the volume of the sphere?The volume of the sphere is the space occupied within the sphere.
Volume of a sphere = 4/3 x pi x r³
4/3 x (22/7) x 3³ = 113.04 in³
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