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TEA [102]
3 years ago
9

Eva played her favorite video games for 14 hours last week. Today, evas parents restricted her to 4 hours each week for the next

7 weeks.
Create the function, f(x) that models evas total video game time and explain what each number in the situation respresents using complete sentences.
Mathematics
1 answer:
Annette [7]3 years ago
8 0

She needs to have 4 hours a week for the next 7 weeks.

To make this true we know need 4x, x as for week (time).

We also need to have it done with 7 weeks, so we will need 7 weeks x 7 days which would be 49 days total.

Now to put it together,4(x) and place the number of weeks to get the total number of hours. Example on week 7 hour number of hours she played is (4*7)=28 hours total.

f(x) = 4x + 14 is the function.

14 is from the first week. Therefore, that's the function of the total hours she played.

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CaHeK987 [17]

Answer:

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Step-by-step explanation:

6 0
3 years ago
A jar of 150 jelly beans contains 22 red jelly beans, 38 yellow, 20 green, 28 purple, 26 blue, and the rest are orange. Let B =
Oduvanchick [21]

Answer: \frac{11}{75}

Step-by-step explanation:

R is the event of getting a red jelly bean. 22 out of the 150 jelly beans are red. That means it is a \frac{22}{150} chance of getting a red jelly bean.

Simplified that is \frac{11}{75}

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3 years ago
Angelica reads 15 pages of a book each day. In 10 days, she reads 200 pages. Assume the relationship is linear. Find and interpr
Phantasy [73]

Given:

Angelica reads 15 pages of a book each day.

In 10 days, she reads 200 pages.

Assume the relationship is linear.

To find:

The rate of change and initial value.

Solution:

The slope intercept form of a linear function is:

y=mx+b            ...(i)

Where m is the slope and b is the y-intercept.

Angelica reads 15 pages of a book each day. So, the rate of change is 15 pages per day and m=15.

In 10 days, she reads 200 pages. It means the linear relation passes through the point (10,200).

Putting x=10,y=200,m=15 in (i), we get

200=15(10)+b

200=150+b

200-150=b

50=b

So, the y-intercept is 50. It means the initial number of pages angelica already read is 50.

Therefore, the rate of change is 15, it means Angelica reads 15 pages per day. The y-intercept is 50, it means the initial number of pages angelica already read is 50.

5 0
3 years ago
Can someone help me. ​
marshall27 [118]

Answer:

B

Step-by-step explanation:

yeah just pick B man lol

7 0
3 years ago
Write an equivalent expression to x-9y+ 4.
Paul [167]
D. x - 9y + 4 = x + 4 + (-9y)
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