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hoa [83]
2 years ago
5

Hey I know this is kind of a lot but can someone pls help.

Mathematics
1 answer:
Debora [2.8K]2 years ago
7 0

Answer:

J) x = 6; slope is undefined

Step-by-step explanation:

Choice F is incorrect because the equation and slope. Choice G is incorrect because the slope. And, Choice H is incorrect because the equation and the slope.

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8÷6.403 rounded to the nearest tenths
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A telephone plan charges a regular monthly amount plus charges for the number of minutes of use (x) as shown in the equation y =
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Janeile has 6 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the
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Answer:

running 1.5 hours

Walking 4.5 hours

Step-by-step explanation:

Let the amount of time she spends on walking be x

d/3 + d/9 = 6            Multiply by 9

3d + d = 6*9

4d = 54                     Divide by 4

4d/4 = 54/4            

d = 13 2/4 = 13 1/2 = 13.5 miles

d/3 = 13.5/3 = 4.5 hours

d/9 = 13.5/<u>9 = 1.5 hours</u>

Total                6 hours

I hope this is the right interpretation.

7 0
2 years ago
How many 8's are in the answer and sum 5890/45?
Novay_Z [31]

Answer:

  • <em><u>1. There are infinite 8's</u></em>
  • <em><u>2. The estimate is 130.89</u></em>
  • <em><u>3. The difference is 0.01</u></em>

<em><u /></em>

Explanation:

There are countless, or infinite, 8's in the answer because the result is a periodic decimal:

        \dfrac{5890}{45}=130.8888 . . .

The notation used for the periodic decimal numbers is an arc over the number that is repeated. In this case, it would be an arc over the first 8.

I will use a bar just to show how it is, but instead of a bar it should be an arc:

          \dfrac{5890}{45}=130.\overline 8

The <em>estimation</em> or approximation to <em>two decimal places</em> requires to drop the 8's since the third one and increase the second 8 to 9 (because the first decimal dropped is greater than or equal to 5).

Thus the estimated value would be 13.89.

The difference is:

  • 130.89 - 130.888. . . = 0.0111. . .
  • Rounded to 2 decimal places: 0.01

3 0
3 years ago
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