3 years ago

What's the answer to the question I really need help

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

5 0

The volume is 25.12
i hope i helped

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Tom reports that the ratio of teachers to students at South High School and North High School is the same. There are 45 teachers

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Step-by-step explanation:

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3 years ago

What is the solution to this equation? 4x+x-15+3-8=13

deff fn [24]

Answer:

x = 33/5

Step-by-step explanation:

4x+x-15+3-8=13

Combine like terms

5x -20 = 13

Add 20 to each side

5x-20+20 = 13+20

5x =33

Divide by 5

5x/5 = 33/5

x = 33/5

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3 years ago

X-1.6=2.4+0.8x solve for x. <br><br>What did I do wrong?

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$\bf x-1.6=2.4+0.8x\implies \stackrel{\textit{subtracting 2.4}}{x-4=0.8x}\implies \stackrel{\textit{subtracting x}}{-4=0.8x-x} \\\\\\ -4=-0.2x\implies \cfrac{-4}{-0.2}=x\implies 20=x$

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3 years ago

*100 points* A circle has a diameter with endpoints (-7, -1) and (-5, -9).

earnstyle [38]

Diameter

√(-7+5)²+(-1+9)²
√2²+8²
√4+64
√68
2√17

Radius

2√17/2
√17units

Now

Centre

(h,k)

(-7-5/2,-1-9/2)
(-12/2,-10/2)
(-6,-5)

Equation

(x-h)²+(y-k)²=r²
(x+6)²+(y+5)²=(√17)²
(x+6)²+(y+5)²=17

Option A

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To shift the graph of an equation some number of units to the __________, you

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Answer:

Step-by-step explanation:

it's A because if you're adding x from each number in the equation you would shift to the left causing the graph to become more positive but if you subtract x you would shift to the right causing the graph to become more negative.

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2 years ago