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zepelin [54]
3 years ago
8

The total change in the outside temperature from 6pm to 10pm is represented as -12 degrees Farenheit. if the temperature changes

by the same number of degrees each hour, how would you represent the change in temperature each hour?
Mathematics
1 answer:
KIM [24]3 years ago
4 0

Answer:-3

Step-by-step explanation:

6 pm to 10 pm is 4 hours. If it changes -12 degrees in 4 hours, the it changes (-12/4) -3 each hour.

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The angle measures of triangle ABC are given:
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Answer:

x=20

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6x+60=180

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Write each percent as a fraction in simplest form and as a decimal to the nearest hundredth.
Vladimir79 [104]

p\%=\dfrac{p}{100}=p:100

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4.\ 35\%=\dfrac{35}{100}=\dfrac{35:5}{100:5}=\dfrac{7}{20}\\\\35\%=35:100=0.35\\\\5.\ 100\%=\dfrac{100}{100}=\dfrac{1}{1}=1\\\\100\%=100:100=1.0\\\\6.\ 29\%=\dfrac{29}{100}\\\\29\%=29:100=0.29

7.\ 56\%=\dfrac{56}{100}=\dfrac{56:4}{100:4}=\dfrac{14}{25}\\\\56\%=56:100=0.56\\\\8.\ 66\dfrac{2}{3}\%=\dfrac{66\cdot3+2}{3}\%=\dfrac{200}{3}\%\\\\\dfrac{200}{3}\%=\dfrac{\frac{200}{3}}{100}=\dfrac{200}{3\cdot100}=\dfrac{2}{3}\\\\\dfrac{200}{3}\%=\dfrac{200}{3}:100=66.666...:100=0.666...\approx0.67\\\\9.\ 25\%=\dfrac{25}{100}=\dfrac{25:25}{100:25}=\dfrac{1}{4}\\\\25\%=25:100=0.25

4 0
3 years ago
Parabolic microphones are used for field audio during sports events. The microphones are manufactured such that the equation of
S_A_V [24]

Answer:

a. 8.5 in.

b. 34 in

c. x = 1/39 x^2.

Step-by-step explanation:

Part a.

x = 1/34 y^2

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Part b.

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Part c.

Diameter = 4p = 34 + 5 = 39 in

The new equation is x = 1/39 x^2.

4 0
3 years ago
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