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2 years ago

34) -3(5 + 2x) - 7 distribute

Mathematics

2 answers:

vitfil [10]2 years ago

5 0

Answer:

-22-6x

Step-by-step explanation:

Multiply, leave -7 out. Then combine like terms.

Sladkaya [172]2 years ago

5 0

<h3>Thank you</h3>

^ - ^

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Answer:

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2 years ago

0.9 ÷ 0.12

bagirrra123 [75]

Answer:

$\displaystyle 7\frac{1}{2}$

Step-by-step explanation:

Turn the decimals into simplifies fractions first:

$\displaystyle \frac{9}{10} \div \frac{3}{25} = \frac{9}{10} \times \frac{25}{3} = \frac{225}{30} = 7\frac{15}{30} = 7\frac{1}{2} \\ \\ OR \\ \\ \frac{\frac{9}{10}}{\frac{3}{25}} = \frac{3}{\frac{2}{5}} = 3 \times \frac{5}{2} = \frac{15}{2} = 7\frac{1}{2}$

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3 years ago

the circle at eh top of a cylinder has a radius of 3.3 inches. the cylinder is 21 inches long. what is the volume of the cylinde

Art [367]

Answer:

V =718.0866 in^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2h

The radius is 3.3 and the height is 21

V = pi (3.3)^2 * 21

V = pi (10.89) (21)

V =pi 228.69

We can approximate pi by 3.14

V = 3.14(228.69)

V =718.0866 in^3

3 0

3 years ago

Is this relation a function. please help me

Juliette [100K]

no this relation is not a function, because for each input (x), there is no output (y)

7 0

3 years ago

I need help with 8x+3-10=-2 (x-2)+3

astraxan [27]

0 ≠ 4. The equation is wrong, and has no true solution.

8x + 3 - 10x = -2(x - 2) + 3

<em><u>Distributive property.</u></em>

8x + 3 - 10x = -2x + 4 + 3

<em><u>Combine like terms.</u></em>

-2x + 3 = -2x + 7

<em><u>Cancel like terms.</u></em>

<em><u>Subtract 3 from both sides.</u></em>

0 ≠ 4

5 0

3 years ago