3 years ago

Which expression is equivalent to 4(-3h+2) - (h-8) ???

Mathematics

1 answer:

Lera25 [3.4K]3 years ago

8 0

You have to use distributive property then you combine like terms

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Mr. Moore planted a tree in his backyard. His tree grew 3 1/3 feet over five years. if his tree grew at the same rate each year,

alina1380 [7]

Answer:

D. 2/3 per year.

Step-by-step explanation:

3 1

÷ 5

10 × 1

3 × 5

10 ÷ 5

15 ÷ 5

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2 years ago

Explain why solving (2/5)c = (8/9) by multiplying both sides by (5/2) is the same as solving it by dividing both sides by (2/5)

givi [52]

Dividing by a fraction is the same as multiplying by its reciprocal. So dividing by 2/5 will give you the same answer as multiplying by 5/2.

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3 years ago

find the curved surface area and total surface area of a right circular cylinder whose height is 15 cm and the radius of the bas

otez555 [7]

Answer:

$CSA = 660cm^2$ --- Curved Surface Area

$TSA = 968cm^2$ --- Total Surface Area

Step-by-step explanation:

Given

Shape: Cylinder

$h = 15$ -- height

$r = 7$ --- radius

Solving (a): The curved surface area (CSA)

This is calculated as:

$CSA = 2\pi rh$

This gives:

$CSA = 2 * \frac{22}{7} * 7 * 15$

$CSA = 2 * 22* 15$

$CSA = 660cm^2$

Solving (b): The total surface area (TSA)

This is calculated as:

$TSA = 2\pi r(h + r)$

This gives:

$TSA = 2 * \frac{22}{7} * 7 * (15 + 7)$

$TSA = 2 * 22 * (15 + 7)$

$TSA = 2 * 22 * 22$

$TSA = 968cm^2$

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2 years ago

I need help...!!!!!please...

uranmaximum [27]

Step-by-step explanation:

sorry i am busy i will answer it tomorrow or free time

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3 years ago

Select the correct answer.<br> Simplify the following expression.<br> (1/7x + 3/8) + (2/9x - 1/8)

Arada [10]

Answer:

Hope this helps

Step-by-step explanation:

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3 years ago

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