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balu736 [363]
3 years ago
13

Hilary bought two new books for $5.25 each and three used books for $2.50 each. Shipping costs $5.00 total for the first two ite

ms and then $1.25 per item after that. What is the average price per book?
Mathematics
1 answer:
KatRina [158]3 years ago
7 0

Answer:

26.75

Step-by-step explanation:

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There are 25 computers in a math lab. There are 6 activity books for every 2 computers in the math lab. How many activity bookle
kondaur [170]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A computer can sort x objects in t seconds, as modeled by the function
r-ruslan [8.4K]

Answer:

  36 objects

Step-by-step explanation:

You want the value of x when t=9, so you're solving ...

  9 = 0.007x^2 +0.003x

  9 = 0.007(x^2 + 3/7x)

From here, we observe that an approximation is probably sufficient.

 9/0.007 = x(x +3/7) . . . . . the expression on the right is nearly x^2

  x ≈ 3/√.007 ≈ 35.9 ≈ 36

We can check:

  .007(36)(36 3/7) = 9.18

  .007(35)(35 3/7) = 8.68

To keep the computer busy for 9 seconds, it needs to sort 36 objects.

 

6 0
3 years ago
HELP! I don’t understandddd.
RUDIKE [14]

Answer:

A. The tree starts at 0 and increases by 1 every year. The height starts at 5 and increases by 1 every year.

Step-by-step explanation:  5 for the first year, 6 for the second year, 7 for the third year etc.

4 0
3 years ago
Find the value of the next term in the sequence.<br><br> 28, 25, 22, 19,
Katena32 [7]

Answer:

The answer would be 16

Step-by-step explanation:

The answer would be 16 because after each number your subtracting 3.

5 0
3 years ago
(A) {(-6,2), (3, 4), (4,4), (5, 6)}<br> DOMAIN:<br> RANGE:<br> Is the relation above a function?
vovikov84 [41]

Answer:

Yes

Step-by-step explanation:

Domain: {-6, 3, 4, 5}

Range: {2, 4, 6}

This relation is a function.

6 0
2 years ago
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