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Vladimir [108]
3 years ago
8

PLEASE HELP ITS A TIMED TEST!!!

Mathematics
1 answer:
nexus9112 [7]3 years ago
8 0

Answer:

First you need to set up an equation y = mx + b. m would be the monthly charge and b would be the one time fee. x represents the number of months.

To solve for the number of months with a total price of 240 we substitute 240 in for y and solve for x.

240 = 25x + 40

subtract 40 from each side

200= 25x

divide by 25

8 = x

8 months

10 + 7r = 45

7r = 35

r = 5

5 milesStep-by-step explanation:

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The ground temperature at sea level is 60 degrees F. For every 100-foot increase in elevation, the temperature rises 1/10 of one
N76 [4]
<h3>Answer: B. 62 degrees fahrenheit</h3>

====================================================

Explanation:

x = elevation in feet

y = temperature in fahrenheit

The temperature goes up 1/10 = 0.1 degrees for every 100-foot increase of elevation. So the slope is 0.1/100 = 0.001, which tells us how fast the temperature is increasing. In other words, the temperature goes up 0.001 degrees each time the elevation goes up by 1 foot.

The ground temperature is 60 degrees, which is our starting temperature. It's the value of y when x = 0. Therefore, 60 is the y intercept.

We have a slope of m = 0.001 and a y intercept of b = 60. The equation y = mx+b becomes y = 0.1x+60

Now plug in x = 2000 to find the temperature at this elevation

y = 0.001x+60

y = 0.001*2000+60

y = 2+60

y = 62

7 0
3 years ago
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Which ratio is NOT equivalent to the other choices?
Virty [35]

Answer:

It's not possible to answer the question with the information provided, you will need to post the ratios in the problem.

Step-by-step explanation:

3 0
3 years ago
Y= 1/6x find y when x= -60
vitfil [10]

Answer:

-10

Step-by-step explanation:

Plugin the value of x.

y=1/6(-60)

y=-60/6

y=-10

If this helped please consider giving brainliest.

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3 years ago
Can someone please help me with this its urgent I don’t get it
Varvara68 [4.7K]

Answer:

$1,221

Step-by-step explanation:

0.11×$1,100=$121

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