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katovenus [111]
3 years ago
8

A group of students plotted the number of hours they worked and the number of hours they spent talking to their friends on the p

hone in a month.
Graph shows 0 to 60 on x axis and y axis at increments of 10. The label on the x axis is Monthly Hours Worked, and the label on the y axis is Monthly Hours Talking on Phone. Dots are made at the ordered pairs 13, 57 and 15, 55 and 18, 49 and 24, 39 and 25, 42 and 32, 39 and 36, 33 and 38, 25 and 44, 32 and 45, 23 and 47, 18 and 51, 11.

Which statement best describes the relationship between the number of hours spent working and the number of hours spent talking on phone?


A: Fewer hours worked, fewer hours spent talking on the phone
B: Greater hours worked, greater hours spent talking on the phone
C:Greater hours worked, fewer hours spent talking on the phone
D:There is no relationship between hours spent working and hours spent talking on the phone.

Mathematics
2 answers:
deff fn [24]3 years ago
5 0
The correct answer is <span>C:Greater hours worked, fewer hours spent talking on the phone.
</span>

ella [17]3 years ago
3 0

Answer:

C:Greater hours worked, fewer hours spent talking on the phone

Step-by-step explanation:

Given that a  group of students plotted the number of hours they worked and the number of hours they spent talking to their friends on the phone in a month.

Given that dots are made at  the ordered pairs 13, 57 and 15, 55 and 18, 49 and 24, 39 and 25, 42 and 32, 39 and 36, 33 and 38, 25 and 44, 32 and 45, 23 and 47, 18 and 51, 11.

We see that whenever x increases y decreases.

Hence there is a negative association.

C:Greater hours worked, fewer hours spent talking on the phone

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In this sequence d=10. Therefore, a24=188.
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Payton has 2 pizzas. each pizza is cut into 10 equal slices. she and her friends eat 14 slices. what part of the pizzas did they
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14 / 20 total slices = 7 / 10, which is 0.7 if you're looking for a decimal.
That's 70% of the pizza, which I would eat by myself.
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If a cylinder has a radius of 4.5cm and a height of 8cm what’s the volume
kirill115 [55]

Step-by-step explanation:

To find the volume of a cylinder the equation is

V = π×r×r×h

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3 0
3 years ago
This is correct? I need help please :(
Leto [7]

Answer:

well, we only no that

2l + 2w is 80

(lengths and widths on all 4 sides

and that w * l is A

so the function should be w times what's left for l, but also expressed by something with w

2l + 2w = 80 | -2w

2l = 80 -2w | devide by 2

l = 80 - w

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A = w * l

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8 0
3 years ago
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The credit remaining on a phone card (in dollors) is a linear function of the total calling trime made with the card ( in minute
KATRIN_1 [288]

After 85 minutes of calls, there are $27.25 left on the card.

<h3>What is the remaining credit after 85 minutes of calls?</h3>

A linear equation in slope-intercept form is:

y = a*x + b

Where a is the slope.

If the line passes through two points (x₁, y₁) and (x₂, y₂) the slope is:

a = \frac{y_2 - y_1}{x_2 - x_1}

In this case, we know that the line passes through the points (22, 36.7) and (52, 32,20)

(points of the form (time, dollars)).

So the slope is:

a = \frac{32.2 - 36.7}{52 -22} = -0.15

The linear equation is then:

y = -0.15*x + b

To find the value of b, we use the point (22. 36.7)

36.7 = -0.15*22 + b

36.7 + 0.15*22 = b = 40

Then the linear equation is:

y = -0.15*x +40

The amount remaining in the credit card after 85 minutes is given by evaluating the above equation in x = 85.

y = -0.15*85 + 40 = 27.25

This means that after 85 minutes of calls, there are $27.25 left on the card.

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

7 0
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