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melamori03 [73]
3 years ago
6

Which expression is equivalent to the expression 6(-2n + 7) - 3(5n + 9)?

Mathematics
1 answer:
timurjin [86]3 years ago
3 0
-27n+15 is your answer
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Denise earns $30 an hour. She works 40 hours per week. A. Create and solve an expression to represent how much money Denise earn
GenaCL600 [577]

Answer:

$1,200

Step-by-step explanation:

Let x be the hours Denise works in a week, and y be her earnings per week.

y = ($30/hr)(x)

For a 40 hour week, Denise earns:

y = ($30/hr)(40 hr/week)

y = $1,200 in a week.

6 0
3 years ago
Read 2 more answers
Can somebody help with the answer please
Mars2501 [29]

Answer:

h=12

Step-by-step explanation:

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3 years ago
What is the study of mathematical probabilities, distributions and deviations?
morpeh [17]
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6 0
3 years ago
Basic help :(<br> its math
elena-14-01-66 [18.8K]

Answer:

the slope or rate of change is 8 over 6 or 4 over 3 4/3

7 0
2 years ago
A company is expanding its building area from 14,000 square feet to 19,880 square feet. What is the percentage increase of the a
Stella [2.4K]
I remember I had a lot of trouble with this in geometry! This is a matter of ratios and division. You can grab a calculator and divide 19,880 by 14,000 (because the building increased, and you’re seeing how much bigger it is than the original). We can also do it by hand...

19880/14000
1988/1400 (divide by 10)
994/700 (divide by 2)
142/100 (divide by 7)
142% is your answer. The 100% implies you made another building, so the real answer is that the building size increased by 42% (since you already have the 14000 sqft building)

42%
5 0
4 years ago
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