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3 years ago

One eighth of a number increased by 20 is 32

1 answer:

5 0

So first subtract 20 from 32. This gives you 12. This means 12 is one eighth of a number. So multiply 12 by 8 and you get 96 as your answer.

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If the vertex of a parabola is (-7,-1) , what is the axis of symmetry

jekas [21]

6447765 guitar stay ya diggg

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3 years ago

Solve the following system by graphing.<br> Y =<br> 2 + 5<br> y = -x-1

Klio2033 [76]

Answer:

Step-by-step explanation:

2x + 5 = -x - 1

3x + 5 = -1

3x = -6

x = -2

y = 2 - 1

y = 1

(-2, 1)

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3 years ago

A diameter of a circle has enpoints (-2, 10) and (6, -4) in the standard (x, y) coordinate plane. What is the center of the circ

wlad13 [49]

Answer:

The center of the circle is $C(x,y) = (2, 3)$ .

Step-by-step explanation:

The center of the circle is the midpoint of the segment between the endpoints. We can determine the location of the center by this vectorial expression:

$C(x,y) = \frac{1}{2}\cdot R_{1}(x,y)+ \frac{1}{2}\cdot R_{2}(x,y)$ (1)

Where:

$C(x,y)$ - Center.

$R_{1} (x,y)$ , $R_{2} (x,y)$ - Location of the endpoints.

If we know that $R_{1} (x,y) = (-2,10)$ and $R_{2} (x,y) = (6,-4)$ , then the location of the center of the circle is:

$C(x,y) = \frac{1}{2}\cdot (-2,10)+\frac{1}{2}\cdot (6,-4)$

$C(x,y) = (-1, 5) + (3, -2)$

$C(x,y) = (2, 3)$

The center of the circle is $C(x,y) = (2, 3)$ .

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3 years ago

Last year, there were 120 students in the<br> marching band. This year, there are 138.

Marrrta [24]

Answer:

dude nice but how is this a question

Step-by-step explanation:

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NO TALENT

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7 0

4 years ago

Read 2 more answers

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scoundrel [369]

Answer:

Step-by-step explanation:

8 0

3 years ago