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lara31 [8.8K]
4 years ago
12

Joe is selling hot chocolate for $0.25 per cup. It costs $12 for a case of cocoa mix. Each paper coffee cup costs $0.10. How man

y cups of hot chocolate does he need to break –even?
Mathematics
1 answer:
Alenkasestr [34]4 years ago
4 0

Answer:

He needs 80 cups.

Step-by-step explanation:

$12/$.15(profit from every cup) =80

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Which inequality represents the solutions to the inequality −5r+18≤2−3r?
Harlamova29_29 [7]

Answer:

2 step equation problems.

Step-by-step explanation:

So you need to replace -3 into that to add -18 on both sides and that gives you the negative number is -20 and then you add the -5r+-3r less than or equal to -20. Now, negative -5 +3 = -8 + -20 = -28. r=-28.

4 0
3 years ago
Simple Quadratic equation given a formula
IRINA_888 [86]

Answer:

12 feet.

Step-by-step explanation:

h= -(2)^2+8(2)

h= -4+16

h= 12

8 0
4 years ago
If the sales tax in your town was 7%, and you paid $1,400 in sales tax on your new car, then what was the original
fenix001 [56]

Answer:

$20,000

Step-by-step explanation:

20,000 / 0.07 = 1400

7 0
3 years ago
Find the GCF and LCM for 16 and 24.
Harlamova29_29 [7]

Greatest Common Factors (GCF) of 16 and 24 = 8

Least Common Multiple of 16 and 24 = 48

GCF means Greatest Common Factors

Factors of 16 = 1, 2, 8, 4, and 16

Factors of 24 = 1, 2, 3, 4, 6, 8, 12, and 24

Common Factors of 16 and 24 = 1, 2, 4, and 8

Greatest Common Factors (GCF) of 16 and 24 = 8

LCM means Least Common Multiples

Multiples of 16 = 16, 32,48, 54.....

Multiples of 24 = 24, 48, 72....

The Least Common Multiple of 16 and 24 = 48

Learn more on GCF and LCM here: brainly.com/question/219464

6 0
3 years ago
Read 2 more answers
Use the confidence interval to find the margin of error and the sample mean (0.118,0.220)
malfutka [58]

Answer:

μ = 0.169

ME = 0.051

Step-by-step explanation:

The confidence interval is:

CI = μ ± ME

So the mean is the middle of the confidence interval, and the margin of error is half the difference.

μ = (0.118 + 0.220) / 2 = 0.169

ME = (0.220 − 0.118) / 2 = 0.051

5 0
4 years ago
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