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MArishka [77]
3 years ago
5

Help asap please I really need it

Mathematics
1 answer:
Svetlanka [38]3 years ago
3 0
The answer would be B. About 92 cubic feet. Have a good rest of your day.
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Write an equation in standard form for the line that passes through the given points.
Agata [3.3K]

So, pretend this is your x-axis and y-axis:

                                   I

        I

   (-2,7) •  I

        I

        I       • (2, 5)

        I

        I

        I  

        I

 _________________I____________________

        I

        I

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TO GET FROM POINT (-2, 7) TO POINT (2, 5), WE MOVE DOWN 2 AND OVER 4, SO THE SLOPE IS -1/2. IF WE FOLLOW THAT SLOPE AND MOVE DOWN 1 AND OVER 2 FROM THE FIRST POINT OF  (-2, 7), WE WILL LAND ON A POINT LOCATED AT (0, 6), WHICH WOULD BE THE "Y-INTERCEPT". WE WERE JUST ABLE TO CALCULATE THE SLOPE OF THE LINE AND THEN USE THE SLOPE TO FIND THE INTERCEPT. SO, THE "SLOPE-INTERCEPT" FORM OF THE EQUATION FOR THIS LINE IS:

y = -1/2x + 6

TO RE-WRITE THIS IN STANDARD FORM, WE JUST WANT TO MOVE THE X VARIABLE OVER TO THE LEFT WITH THE Y VARIABLE, SO:

y = -1/2x + 6

+1/2x   + 1/2x

1/2x + y = 6 .... and that is your answer!

8 0
2 years ago
21. The volume of as sphere is 3,000pi m^3. What is the surface area of the sphere to the nearest square meter?
nevsk [136]
Pretty sure it's A ?? That's what I got. I'm taking this right now.
3 0
3 years ago
Y=logxif y=10, then what is x
Kamila [148]
Assuming the logarithm is base 10, you have

y=10=\log_{10}x\implies 10^{10}=10^{\log_{10}x}\implies 10^{10}=x
4 0
3 years ago
Find the area of the trapezoid
Alexandra [31]

Answer:

\sf area \  of \ trapezoid \ =375 \ mm^2

Explanation:

\sf area \  of \ trapezoid \ = \dfrac{1}{2} * ( base \  1 + base \ 2 ) * height

using the formula:

\sf area \  of \ trapezoid \ = \dfrac{1}{2} * ( 14+ 36 ) * 15

\sf area \  of \ trapezoid \ = \dfrac{1}{2} * ( 50 ) * 15

\sf area \  of \ trapezoid \ =25 * 15

\sf area \  of \ trapezoid \ =375 \ mm^2

5 0
2 years ago
Read 2 more answers
How do you do this ??
VikaD [51]

Answer:

(D)

Step-by-step explanation:

First, you have to graph the equation. Then you notice that it is a parabola facing downwards. This means that as the graph decreases on the left side, the x's become negative and the y's become negative. On the right side, the x's become positive and the y's become negative.

7 0
3 years ago
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