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3 years ago

9

A deck builder uses 11 bags of concrete mix for every 5 deck footings. If the builder needs to build 12 deck footings, how many

bags of concrete mix will be used?

1 answer:

juin [17]3 years ago

5 0

I think it is 220 bags but i am stuipd

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A sphere has a volume of 36pi in^3 . Find the volume radius of the sphere.

sergejj [24]

Hi

the volume formula is

V=4 /3 * πr3

<h3>So 113.09in= 4/3 * pi * r cubed</h3><h3>Switch the subject of the formula=</h3><h3>r=(3 V /4π)⅓</h3><h3>So r= Estimating to 3</h3><h3>r= 3</h3><h3>Mark brainliest? </h3><h3> </h3>

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3 years ago

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HELP A line passes through two points with coordinates (6,-8) and (-3,7).

FromTheMoon [43]

Answer:

<em>3y+5x=6</em>

Step-by-step explanation:

<u>Equation of the Line</u>

The equation of a line passing through points (x1,y1) and (x2,y2) can be found as follows:

$\displaystyle y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

The line passes through the points (6,-8) and (-3,7), thus:

$\displaystyle y+8=\frac{7+8}{-3-6}(x-6)$

$\displaystyle y+8=\frac{15}{-9}(x-6)$

Simplifying:

$\displaystyle y+8=-\frac{5}{3}(x-6)$

Multiplying by 3:

$3(y+8)=-5(x-6)$

$3y+24=-5x+30$

Moving all the variables to the left side:

3y + 5x = 30 - 24

3y + 5x = 6

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3 years ago

Pls help me with this question

nasty-shy [4]

Answer:

Step-by-step explanation:

3x and 8x

6 0

3 years ago

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Give the null and alternative hypotheses in symbolic form that would be used in a hypothesis test of the following claim:

irakobra [83]

Answer:

Step-by-step explanation:

The null hypothesis is usually the default statement. The alternative is the opposite of the null and usually tested against the null hypothesis

In this case study,

The null hypothesis in would be that the mean time between clicks of the second hand on a particular clock is 1 second. In symbolic form it would be u = 1

The alternative hypothesis would be that the mean time between clicks of the second hand on a particular clock is 1 not second. In symbolic form, it would be: u =/ 1

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3 years ago

How can you solve an equation without using the distributive property

belka [17]

You could use a calculator.. or if it is already in distributive property then just add it up

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