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4 years ago

HURRY 98 POINT!!!! Simplify (23)–2 A. -1/64 B. 1/64 C. 2 D. 64

Mathematics

2 answers:

ololo11 [35]4 years ago

8 0

(2 ^3)^-2

= 2^-6

= 1 / 2^6

= 1/64 answer

Vanyuwa [196]4 years ago

7 0

as a decimal it would be 11.5

and as a fraction it would be 23/2

so none of those answers?

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a solid consists of cylinder surmounted by a right circular cone. The height of the cone is 2h. If the volume of the solid is 3

Mademuasel [1]

Answer:

height of cylinder = 4/3 h

Step-by-step explanation:

The solid has a cylinder surmounted with a cone .Therefore, the volume of the solid is the sum of the cone and the cylinder.

volume of the solid = volume of cylinder + volume of cone

volume of the solid = πr²h + 1/3πr²h

let

height of the cylinder = H

recall

the height of the cone = 2h

volume of the solid = πr²h + 1/3πr²h

3(1/3πr²2h) = πr²H + 1/3πr²2h

2πr²h = πr²H + 2/3 πr²h

πr²(2h) = πr²(H + 2/3 h)

divide both sides by πr²

2h = H + 2/3 h

2h - 2/3h = H

H = 6h - 2h/3

H = 4/3 h

height of cylinder = 4/3 h

8 0

3 years ago

Pls help. will give brainliest :)

fomenos

Answer:

its option B

Step-by-step explanation:

8 0

3 years ago

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The function g(x) is graphed on the coordinate grid. What is the domain of g(x)? x≥5 x>5 x≥0 x>0

Umnica [9.8K]

The domain of the function g(x) is x >= 5

<h3>How to determine the domain?</h3>

The complete question is added as an attachment

From the graph, we have the smallest value of x to be 5.

And the value of x increases to the right

This means that:

x >= 5

Hence, the domain of the function g(x) is x >= 5

Read more about domain at:

brainly.com/question/10197594

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6 0

2 years ago

Plz help will mark as brainleist

Ilia_Sergeevich [38]

Answer: B

Step-by-step explanation:

First, simplify the main expression. The answer is 21.

Then simplify A. It is -106. That is not equal to 21 so A is wrong.

Then simplify B. That is 21. That means B is correct and you don’t have to solve C or D.

5 0

3 years ago

What is the simplified expression for 3a^2+9ab+5-4a^2-4ab +3?

seraphim [82]

Answer:

$-4a^2+4ab+8$

Step-by-step explanation:

our expression is

$3a^2+9ab+5-4a^2-4ab+3$

we are asked to simplify the expression

in order to that we first bring the like terms together

like terms are those having the same variable or same combination of variables with exactly same degrees

Hence it would be like

$3a^2-4a^2+9ab-4ab+5+3$

now we simplify the like terms

$3a^2-4a^2=-4a^2$

$9ab-4ab=4ab$

$5+3=8$

Hence

$3a^2-4a^2+9ab-4ab+5+3=-4a^2+4ab+8$

4 0

4 years ago

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