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2 years ago

Someone please help! I’ll give brainliest!!

Mathematics

2 answers:

agasfer [191]2 years ago

7 0

Answer:

=452.16 ft^3

Step-by-step explanation:

Volume of cylinder formula: V=πr^2(h)

Note: Diamater/2=radius

Plug-in: V=3.14(4)^2(9)

=452.16 ft^3

DiKsa [7]2 years ago

5 0

Answer:

452.16 ft^3

Step-by-step explanation:

Volume formula -

Area × height of the cylinder

A = πr2

A =16(π)

A= 50.24

9 is the height

50.24(9) =452.16

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Solve −2x − 15 = 6x + 9.

Sindrei [870]

Answer: $x=-3$

Step-by-step explanation:

Given the equation:

$-2x - 15 = 6x + 9$

You must solve for "x" to find its value.

You can follow these steps:

- Add $2x$ to both sides of the equation:

$-2x - 15+2x= 6x + 9+2x$

$- 15 = 8x +9$

- Subtract 9 from both sides of the equation:

$- 15-9 = 8x +9-9$

$-24 = 8x$

- Divide both sides of the equation by 8. Then you get:

$\frac{-24}{8}=\frac{8x}{8}\\\\x=-3$

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2 years ago

Simplify 0.75 (5v+11)-0.25 (11+v)

SVETLANKA909090 [29]

The answer is 3.5v+5.5

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2 years ago

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AVprozaik [17]

Answer:

Perimeter is 17.07

Step-by-step explanation:

We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.

We need to use the Pythagorean theorem to get the length of DE.

$DE = \sqrt{5^{2} +5^{2}}=\sqrt{50} = 7.07\\$

So the perimeter of DEF is 5 + 5 + 7.07 = 17.07

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2 years ago

91403 divided by 21. Show work

My name is Ann [436]

Answer:

The given Divisor = 21 and Dividend = 91403

43522191403847463110105534211

The Quotient is 4352 and the Remainder is 11

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ivanzaharov [21]

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Step-by-step explanation:

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