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Daniel [21]
3 years ago
11

Please Help Me With This!!!!

Mathematics
1 answer:
Allushta [10]3 years ago
5 0
An algebraic expression for this would be c(t)=0.25t+0.75.

c(t) = total cost
t = number of minutes

Please mark this answer as the Brainliest! Thank you :)
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What is the average rate of change for the table and graph below over the interval [0,3]?
Leokris [45]

Answer:

-2

Step-by-step explanation:

The average rate of change is the slope using the points (0, 10) and (3, 4).  The slope is found using the formula \frac{y2-y1}{x2-x1}

\frac{4-10}{3-0}= \frac{-6}{3}=-2

6 0
2 years ago
5/8-11/20=?<br><br> Help what’s the answer I’m stuck on finding the LCM of the denominators
zhannawk [14.2K]

Answer:

3/40

Step-by-step explanation:

  • \frac{5}{8} - \frac{11}{20}
  • \frac{25}{40} - \frac{22}{40} (LCM is 40)
  • \frac{25-22}{40}
  • \frac{3}{40}

Therefore, the answer is 3/40!

4 0
2 years ago
Determine the slope from the given graph below:
Greeley [361]

Step-by-step explanation:

the slope is the ratio of "y coordinate difference / x coordinate difference".

so, let's find 2 good points (I mean by that with integer coordinates). I see e.g.

(-1, -1) and (0, -7)

x changes by +1 (from -1 to 0).

y changes by -6 (from -1 to -7).

so, the slope is -6/1 = -6.

D is the right answer.

8 0
2 years ago
56" board cut in 2 pieces and one piece is longer than 3 times the ​
Aleksandr [31]

Answer:

Piece one would equal to 14" and piece two would be 42" because 42 is three times the length of 14

8 0
3 years ago
Jim doctor said he should walk about 10,000 steps each day for his health. About 2,120 of jims steps equal 1 mile. If jim has wa
zaharov [31]

Answer:

8,480

Step-by-step explanation:

Multiply 4 by 2,120 and it will be the answer  

7 0
2 years ago
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