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creativ13 [48]
3 years ago
12

A website offers free shipping to customers who order at least $75 dollars worth of merchandise. Della is ordering 2 flashlights

at $10.00 each and plans to order packs of $5.00 batteries until her total is at least $75. Which statement best describes how many packs of batteries she must order to qualify for free shipping?
A. 11 or more
B. 13 or more
C. 15 or more
D. 19 or more
Mathematics
2 answers:
Vlada [557]3 years ago
6 0
It’s A. 11 or more
YW
Debora [2.8K]3 years ago
4 0

Answer:

10(2) + 5x <u>></u> 75 (the inequality for the story problem; multiply)

20 + 5x <u>></u> 55 (subtract 20 from both sides to isolate the x-term)

5x <u>></u> 55 (divide both sides by 5 to isolate x)

x <u>></u> 11 (x is greater than or equal to 15)

the answer is A

Step-by-step explanation:

I hope this helped :)

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Question~
Rasek [7]

Answer:

  • B. 1

Step-by-step explanation:

Multiply the first term by x^a, the second term by x^b, the third term by x^c.

<u>The first term becomes:</u>

  • x^a/(x^a+x^b+x^c)

<u>The second term becomes:</u>

  • x^b/(x^a+x^b+x^c)

<u>The third term becomes:</u>

  • x^c/(x^a+x^b+x^c)

<u>Their sum is:</u>

  • (x^a+x^b+x^c)/(x^a+x^b+x^c) = 1

Correct choice is B

3 0
2 years ago
It also detects if you are right or wrong
Sindrei [870]

Answer:

I think A

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Abdullah expands (x - 3)2 and gets the answer x2 - 9. Describe what he has<br> done wrong.
solniwko [45]

Answer:

He squared the numbers inside without following the appropriate rule

Step-by-step explanation:

<u>what he should have done </u>

<u />(x-3)^2\\= x^2 - 2 *x*3+3^2\\= x^2-6x+9

4 0
3 years ago
Leo wants to paint a mural that covers a wall of an area of 600 square feet. The height of the wall is 2/3 of its lengtht. What
Nikitich [7]
Length is 30 feet and height is 20 feet.
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How many times can 8 go in to 1220
weeeeeb [17]
1220/8= 152.5
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