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Sauron [17]
3 years ago
15

If de has endpoints D(-1,6)and E(3,-2),then the midpoint M of DE lies in Quadrant1

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
7 0
M(\frac{x_{1} + x_{2}}{2}, \frac{y_{1} + y_{2}}{2}) \\M(\frac{-1 + 3}{2}, \frac{6 + (-2)}{2}) \\ M(\frac{2}{2}, \frac{6 - 2}{2}) \\ M(1, \frac{4}{2}) \\ M(1, 2)
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Solve the formula for x.<br> V=2πrx+6πr2
Anna [14]

Answer:

x=−18.849556r2+v/6.283185r

Step-by-step explanation:

Step 1: Flip the equation.

18.849556r2+6.283185rx=v

Step 2: Add -18.849556r^2 to both sides.

18.849556r2+6.283185rx+−18.849556r2=v+−18.849556r2

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6.283185r = −18.849556r2+v/6.283185r

x=−18.849556r2+v/6.283185r

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2 years ago
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I think of a number. When I add 12 and subtract 8, I get<br> 15. What is that number?
zheka24 [161]

Answer:

11?

Step-by-step explanation:

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2 years ago
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Which value of x makes the equation-3(x + 5) = 3 true? A. x = -5 B. x = 5 C. x = -6 D. x = 6
viktelen [127]

Answer:

x= -6

Step-by-step explanation:

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2 years ago
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Answer:

C) C(x) = 5 +0.25x

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C(x) ---> the total cost monthly

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we know that

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C(x)=mx+b

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m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

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b=\$5.00

substitute

C(x)=0.25x+5.00

3 0
3 years ago
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