2 years ago

Here is the next question jj

Mathematics

1 answer:

katen-ka-za [31]2 years ago

5 0

Answer:

3.7 and east.

Step-by-step explanation:

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-15/-18=10/x<br> what is X?

xenn [34]

Answer:

Step-by-step explanation:

(-15)/(-18) = 10/x cross multiply expressions

-15x = -180 since both sides are negative we can write without the sign

15x = 180 divide both sides by 15

x = 12

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a_sh-v [17]

Answer: 121.5 in³

Explanation:

$\textnormal{Volume }= \cfrac{4}{3} \pi (4.5)^3 = 121.5 \pi \ in^3$

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Can someone help me . Thanks . Work is due tomorrow

Hoochie [10]

1 = 4 angles
2 = perpendicular

Hope that helped ;)

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3 years ago

Solve: 7 x + 2 y = 16; -21 x-6 y = 24 Solve : 7 x + 2 y = 16 ; -21 x - 6 y = 24

Marat540 [252]

Answer:

No solution

Step-by-step explanation:

<h3>Solving system of linear equations:</h3>

7x + 2y = 16 ----------------(I)

-21x - 6y = 24 -----------------(II)

$\sf \dfrac{a_1}{a_2}=\dfrac{7}{-21}=\dfrac{-1}{3}\\$

$\sf \dfrac{b_1}{b_2}=\dfrac{2}{-6}=\dfrac{-1}{3}$

$\sf \dfrac{c_1}{c_2} =\dfrac{16}{24}=\dfrac{2}{3}\\\\ \dfrac{a_1}{a_2}=\dfrac{b_1}{b_2} \neq \dfrac{c_1}{c_2}$

So, the lines are parallel and has no solution

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1 year ago

Find the greatest common factor of 14 and 28

Over [174]

The greatest common factor of 14 and 28 is 14

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2 years ago