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3 years ago

Y = 0.95X 7.95 Write and solve a linear equation to find how many songs he downloaded

Mathematics

1 answer:

Dmitry [639]3 years ago

5 0

0.95 x 7.95 = 7.5525

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Solve for x<br> X/8 - 3/4 = 5/8

igomit [66]

X= 11
When you add 3/4 to 5/8, you get 11/8. Then you have to multiply each side with (8/1). You get (88/8). That equals 11.

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3 years ago

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I need help the question is what is the are of the composite figure

AlladinOne [14]

Answer:

Option 4

Step-by-step explanation:

Area of a trapezoid = $\frac{1}{2}(b_1+b_2)h$

Here, $b_1$ and $b_2$ are the bases and 'h' is the height between the bases.

Area of the composite figure = Area of two trapezoids given

= $\frac{1}{2}(12+12)14+\frac{1}{2}(25+31)11$

= $\frac{1}{2}(24)(14)+\frac{1}{2}(56)(11)$

= 168 + 308

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Option 4 is the answer.

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3 years ago

Find each slope and y-intercept. Then graph each equation.

Sophie [7]

Answer:

1/2= slope

-3= y-intercept

Step-by-step explanation:

According to the formula, y=mx-b:

b= y-intercept
m= slope

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3 years ago

The volume of a sphere is 3,000 m^3. What is the surface area of the sphere to the nearest square meter?

vovangra [49]

Answer:

Step-by-step explanation:

V=4 /3πr3

3000=1 1/3*3.14*r*r*r

3000=4.18666667*r*r*r

716.560509= $r^{3}$

Cube root the number

8.94851471456=r

TSA=4 $\pi$ $r^{2}$

TSA=4*3.14*8.94851471456*8.94851471456

TSA=1006.26

Since we used different numbers for pi and I rounded our answer will be different but the answer is C

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3 years ago

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saveliy_v [14]

Answer:

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Step-by-step explanation:

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3 years ago