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Papessa [141]
3 years ago
5

7th grade math help me plzzzz

Mathematics
1 answer:
siniylev [52]3 years ago
6 0

Answer:

17 degrees

Step-by-step explanation:

So to find the answer you need to subtract. If the temp went down 22.1 degrees and it is -5.1 degrees you will subtract 22.1 - 5.1. This equals 17 degrees. You know the answer is correct because you can check your answer by adding: 5.1 + 17 = 22.1. We are disregarding the negative sign.

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A straight ramp rises from the ground at an angle of 25.5 degrees and has a base that is 30 feet long. How high is the ramp? Rou
9966 [12]

The height of the ramp is 14 feet.

7 0
4 years ago
The kindergarten section of Lost Valley School has 12 classrooms. If each classroom
Aleonysh [2.5K]

Answer:

180

Step-by-step explanation:

12x15=180 simple

5 0
3 years ago
An entrepreneur estimates that the total profit (profit = total revenue minus total cost) from his proposed company will be give
Studentka2010 [4]
I found the same problem but with given choices:
A.1 year 
<span>B.2 years </span>
<span>C.3 years </span>
<span>D.4 years </span>
<span>E.6 years
</span>
profit = total revenue - total cost
p(x) = x³ - 4x² + 3x - 12

simply plug each choices to solve. answer must be 0.

A) p(1) = 1³ - 4(1²) + 3(1) - 12 = 1 - 4 + 3 - 12 = -12
B) p(2) = 2³ - 4(2²) + 3(2) - 12 = 8 - 16 + 3 - 12 = -17
C) p(3) = 3³ - 4(3²) + 3(3) - 12 = 27 - 36 + 9 - 12 = -12
D) p(4) = 4³ - 4(4²) + 3(4) - 12 = 64 - 64 + 12 - 12 = 0
E) p(6) = 6³ - 4(6²) + 3(6) - 12 = 216 - 144 + 18 - 12 = 78

It would take 4 years for the company to reach break-even point.
5 0
3 years ago
Pls help asap giving brainlist if it lets me
ra1l [238]

Answer:

F and D

Step-by-step explanation:

When a negative number is multiplied by a positive number, the result is a negative number. When a negative number is multiplied by another negative number, the result is positive.

4 0
3 years ago
Read 2 more answers
In the year 2000, the population of a city was 600,000 citizens. The population increases at a rate of 1.8% per year.
Alona [7]
Y=600000(1+1.8%)^(x-2000)
So the population in 2012
Y=600,000×(1+0.018)^(2,012−2,000)
Y=743,232
6 0
3 years ago
Read 2 more answers
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