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Georgia [21]
1 year ago
13

The following data table represents the total cost of a monthly cell phone bill as a function of the number of minutes that the

phone is used each month. Minutes 500 750 1,000 1,250 1,500 Total Monthly Cost (in dollars) $62 $77 $92 $107 $122Choose the correct linear model that represents the total monthly cost as a function of time. A y = 0.06 x + 500, B y = 16 x + 32,C y = 62 x + 16, D y = 0.06 x + 32 .
Mathematics
1 answer:
sveticcg [70]1 year ago
6 0

Answer:

ytyt

Step-by-step explanation:

tyt5667

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-6h - 13 - (-21) - 4h
bagirrra123 [75]

Answer:

-10h+8

Step-by-step explanation:

First, let's open the brackets:

-6h-13+21-4h (two -'s make a +)

This is equal to -10h + 8

8 0
3 years ago
Read 2 more answers
There is a fire in the third floor of a building, 22 feet above the ground. The fire truck has a 16-foot tall ladder on top, and
Over [174]

Answer: Yes the ladder will reach the fire

Step-by-step explanation: Please refer to the attached diagram for details.

The fire is at point A, while the top of the truck is at point C. The fire is actually burning at 22 feet off the ground, but because the fire truck itself is already 6 feet off the ground, the point that would serve as the base of the building would be 16 feet from the third floor (which is 22 feet minus 6 feet). Hence, point A to point B is 16 feet. So we need to calculate if line AC (from the truck to the fire at the third floor, labeled as b) shall equal the length of the ladder which is 16-foot long.

The angle of the ladder with the top of the truck is 75 degrees. Therefore,

Sin 75 = opposite/hypotenuse

Sin 75 = 16/b

By cross multiplication we now have

b = 16/Sin 75

b = 16/0.9659

b = 16.56

If the distance from A to C is 16.56 feet, then the 16-foot long ladder would reach the fire.

8 0
2 years ago
Which equation represents this sentence?
emmainna [20.7K]
C: 7(-n) - 3 = n + 4
hope it helps!
7 0
2 years ago
The standard normal curve shown below models the population distribution of a random variable. What proportion of the values in
patriot [66]
About 32.34% of the values do not lie between the z-scores of -1.3 and 0.75.

First, we need to find the region between the z-scores.

If you look at a normal distribution table, you will get the following values:

0.75 = 77.34%
-1.3 = 9.68%

Subtraction those gives us the area between the z-scores.
77.34 - 9.68 = 67.66%

Now, just subtract that value from 100% to get the amount outside of the area.
100 - 67.66 = 32.34%
4 0
3 years ago
What would be the slope of a line perpendicular to y=2x + 1 be?
coldgirl [10]
The slope of the given line is 2.

The slope of the line perpendicular to the given line is the negative reciprocal of 2 or -1/2.

Answer: -1/2
3 0
3 years ago
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