2 years ago

Find the volume of a cylinder with a radius of 8 cm in height 10 cm? To the nearest whole centimeter

Mathematics

1 answer:

BartSMP [9]2 years ago

4 0

V=2010.62cm^3 hope this helped you.

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A square piece of cardboard has sides that are 7/12 meter long. What is the carb words perimeter

gavmur [86]

Since it’s a square all sides are even. Meaning you multiply 7/12 by 4. Giving you 7/3 or 2 ⅓. Hope this helps!

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2 years ago

Decimals from 7.0 to 8.4, with an interval of 0.2 between each pair of decimals

andrey2020 [161]

7.0, 7.2, 7.4, 7.6, 7.8, 8.0, 8.2, 8.4

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3 years ago

An online music store is offering a promotion. When you spend $30 or more, you receive 3 songs for free. You Buy an album for $1

Lisa [10]

Answer:

need to spend $18 more in addition to $12

Step-by-step explanation:

Given: According to online music store, if you spend $30 or more, you receive 3 songs for free

To find: How much more money need to be spend in addition to $12 to receive three free songs

Solution:

Let x denotes amount to be spend in addition to $12 to receive three free songs

According to question,

$x+12\geq 30\\x\geq 30-12\\x\geq 18$

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3 years ago

3x + (2 + x) + 5 times 2

Gennadij [26K]

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2 years ago

Using the functions f(x) = 2x + 7, g(x) = x2 - 4, and h(x) = 5x. Find all of the following. Make sure your answer is in simplest

Stolb23 [73]

Answer:

Given

f(x) = 2x+7

g(x) = x^2-4

h(x) = 5x

a. 4h(x)

= 4 * 5x

= 20x

b. f(x) - g(x)

f(x) - g(x) = 2x + 7 - (x^2 - 4)

= 2x+7-x^2+4

=-x^2+2x+7+4

=-x^2+2x+11

c. f(g(x)) = 2(g(x))+7

=2(x^2-4) +7

=2x^2-8+7

=2x^2-1

d. g(x)h(x) = (x^2-4)(5x)

= 5x^3 - 20x

e. g(x) / f(x) = x2 - 4/ 2x + 7

7 0

2 years ago