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3 years ago

I have no clue what the answer to this is .

Mathematics

1 answer:

solong [7]3 years ago

6 0

Arrange the numbers in order from smallest to largest:
12, 18 , 25, 26 , 30, 31 , 34

Find the highest and lowest numbers, those would be where the black dots go on the number line.

Lowest number = 12
Highest number = 34

The line inside the box would be the Median number of the set.
Find the median ( middle value):
Since there is an odd amount of numbers the median would be the middle number:
Middle number = 26

The graph that has the black dots on 12 and 34 and the line of 26 is the first one

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Solve for the value of x by applying the definitions of complementary and supplementary angles

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Answer:

x = 52

Step-by-step explanation:

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DochEvi [55]

Answer:

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Step-by-step explanation:

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3 years ago

This is the problem I’m having trouble with. It’s the first time I’ve done linear equations in four variables and I got the answ

garik1379 [7]

x+y-z+w = 10--------(1)

x+3y-4z+5w=26------(2)

x+4y-7z+7w = 37-------(3)

x+2y-3z+6w = 22--------(4)

Subtract equation (1) from (2)

x+3y-4z+5w - (x+y-z+w) = 26 - 10

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Subtract equation (1) from (3)

8 0

1 year ago

What is the answer to this?

Trava [24]

Answer:

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have

$2r=4\ in\to r=2\ in\\\\H=8\ in$

Substitute:

$V_1=\pi(2^2)(8)=\pi(4)(8)=32\pi\ in^3$

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

We have

$r=2\ in\\\\H=0.7\ in$

Substitute:

$V_2=\dfrac{1}{3}\pi(2^2)(0.7)=\dfrac{1}{3}\pi(4)(0.7)=\dfrac{1}{3}\pi(2.8)=\dfrac{2.8\pi}{3}=\dfrac{28\pi}{30}=\dfrac{14\pi}{15}\ in^3$

The volume of the plastic object:

$V=V_1-V_2$

$V=32\pi-\dfrac{14\pi}{15}=\dfrac{480\pi}{15}-\dfrac{14\pi}{15}=\dfrac{466\pi}{15}\\\\\pi\approx3.141\\\\V\approx\dfrac{466}{15}\cdot3.141\approx97.6$

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3 years ago