3 years ago

HELPPPPP PLEASEEEE!!!

Mathematics

1 answer:

AveGali [126]3 years ago

4 0

Answer:

$\frac{1}{5^{2}}$

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A cylinder has a radius of 3 cm and a height of 4cm. what formula would be used to find the volume

mixas84 [53]

Answer:

required formula: πr^2h

Solution

Formula to find volume of cylinder= πr^2h

= 22/7 ×3×3×4

= 113.14cm^3

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2 years ago

Express the ratio below in its simplest form.<br> 4:2:2

TEA [102]

Answer:

2: 1 : 1

Step-by-step explanation:

4:2:2

Divide all sides by 2

4/2:2/2:2/2

2: 1 : 1

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4 years ago

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3 years ago

Mr. Ruiz has 11/12 yard of string to hang 3 banners. She uses the same length of string to hang each banner. How much string doe

sasho [114]

Answer: 3.27 yard of string to hang each banner.

Step-by-step explanation:

Since we have given that

Length of yard of string to hang 3 banners is given by

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So,

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3 years ago

Genevieve uses 7.7 pints of blue paint and white paint to paint her bedroom walls. 1 4 of this amount is blue paint, and the res

stellarik [79]

Answer:

She used 5.775 pints of white paint to paint her bedroom walls.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the amount of white paint used.

y is the amount of blue paint used.

7.7 pints of blue paint and white paint to paint her bedroom walls.

This means that $x + y = 7.7$

1/4 of this amount is blue paint, and the rest is white paint.

The rest is 1-(1/4) = 3/4. That is, the amount of white paint is the triple of the amount of blue paint. That is, $y = 3x$ , or $x = \frac{y}{3}$

Replacing in the first equation:

$x + y = 7.7$

$\frac{y}{3} + y = 7.7$

$\frac{y + 3y}{3} = 7.7$

$4y = 3*7.7$

$y = \frac{3*7.7}{4}$

$y = 5.775$

She used 5.775 pints of white paint to paint her bedroom walls.

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4 years ago