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belka [17]
3 years ago
5

What happens to the equation when y = x becomes y = -x?

Mathematics
1 answer:
notka56 [123]3 years ago
7 0
Well -x is the opposite of x

so i think that it makes the lines perpendicular
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If y varies directly as x^2 and y=12 when x=2, find y when x=5
Shkiper50 [21]
y=ax^2\\\\y=12\ \ \ and\ \ \ x=2\ \ \ \Rightarrow\ \ \ 12=a\cdot 2^2\ \ \ \Rightarrow\ \ \ a= \frac{4}{12}= \frac{1}{3}  \\\\y=\frac{1}{3} x^2\\\\x=5\ \ \ \Rightarrow\ \ \ y=\frac{1}{3} \cdot5^2=\frac{25}{3} =8\frac{1}{3}
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Which choice represents the fraction below as a single exponential expression?
lyudmila [28]

the correct answer would be A. 8^-12

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8^-12 = 1.45519*10^-11

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4 0
3 years ago
What is the coterminal angle of 330 degrees
aleksandrvk [35]
Positive: 690

Negative: -30
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3 years ago
A theater company made 6,000 programs for their current play. The play will have 20 performances. If they would like to have the
VashaNatasha [74]
Divide 6000 by 20
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5 0
2 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
yan [13]

Answer:

  138.16 in²

Step-by-step explanation:

The surface area SA of the cone is the sum of the base area B and the lateral area LA. The lateral area is half the product of the circumference and the slant height. The radius is half the diameter, so is 4 inches.

  SA = B + LA

  = πr² + (1/2)(2πrh) . . . . where h is the slant height

  = (πr)(r +h)

Filling in the numbers, you have ...

  SA = (3.14)(4 in)(4 in + 7 in) = 3.14×(44 in²) = 138.16 in²

7 0
3 years ago
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