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OLga [1]
2 years ago
6

Mark is online buying songs to download to his smart phone. He has a $20 gift card. He sees that there is a one time fee of $10

to sign up. Then each song cost $1.99.
Write the any quality that models the situation above.
Mathematics
1 answer:
Rashid [163]2 years ago
7 0

Answer:

20 - 10 = 10 - 1.99 = 8.00

Step-by-step explanation:

sorry if it's wrong brainliest plzzzzzzzzzzzzzzzzzzzzz

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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
The sum of 19 data values is 2,375. What is the average of the data values?
DIA [1.3K]

Answer:

125

Step-by-step explanation:

2375/19

5 0
3 years ago
If P(A) =2/3<br> P(B) = 4/5, and P(AUB) =11/15<br> what is P(AB)?
Marrrta [24]

Answer:

11/15

Step-by-step explanation:

5 0
3 years ago
Give three equivalent rates that describe the top speed of a tuna.
WINSTONCH [101]

Answers:

35 much faster - Shark animal

Step-by-step explanation:

so

- a swordfish is 35 much faster than a killer whale because se have to take the maximum Speed of the killer whale away from the maximum Speed of the swordfish so is: 60-25= 35

- And the animal swims a top Speed of about 0.5 Mile for minute Is the Shark animal because: One hour has 60 minutes and of we do 30:60= 0.5 Miles for minute

i hope I had help you

EXUSE ME FOR MY BAD ENGLISH BUT I AM ITALIAN

3 0
2 years ago
Read 2 more answers
Which expression is equal to 4^5x 4^-7 divided by 4^-2
olga_2 [115]

Answer:

4^5x-5

Step-by-step explanation:

4^5x-7/4^-2

=4^5x-5

5 0
3 years ago
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