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Pani-rosa [81]
3 years ago
6

The temperature at a ski resort was 12°F at 5:00 A.M. If the temperature increased by 1.5°F each hour, what would be the tempera

ture at 12 noon?
Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

The <em><u>correct answer</u></em> is:

22.5°F.

Explanation:

The temperature rises 1.5°F each hour.  From 5:00 AM to 12:00 PM is 12-5 = 7 hours.  This gives us a rise of 7(1.5) = 10.5°.

An increase of 10.5° makes the new temperature 12+10.5 = 22.5°F.

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18/24 = b/12 <br><br> Solve the proportion:
Lemur [1.5K]

Answer:

b=9

Step-by-step explanation:

18/24=3/4

3/4=b/12

cross product

4*b=3*12

4b=36

b=36/4

b=9

3 0
4 years ago
Will the answer be positive or negative<br> 0+(11)=
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If the 11 is positive, positive

if the 11 in hegative (p*n=n) so a negative
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4 years ago
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if the dimensions of a triangle are cut in half, then the new permeter is one fourth of the original perimeter true or false
miv72 [106K]

Answer:

False. It is half as large.

Step-by-step explanation:

The best way to answer a question like this is to try an example. The easiest case is an equilateral triangle where all 3 sides are equal. So suppose that all sides are 10 units long.

The perimeter (P) is 3s. Let

  • s  = 10 units.
  • Then P = 3*10
  • P = 30

You are instructed to cut all sides in half

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The perimeter is 1/2 as larger as the original, not 1/4. The statement is FALSE.

Does this work with any triangle. Try one that is Scalene (no side equals any other side).

  • s1 = 5
  • s2 = 6
  • s3 = 7
  • P = s1 + s2 + s3
  • P = 5 + 6 + 7
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Now you cut all three sides in 1/2

  • s1 = 2.5
  • s2 = 3
  • s3 = 3.5
  • P = s1 + s2 + s3
  • P = 2.5 + 3 + 3.5
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9 is 1/2 of 18. The new perimeter is 1/2 the old. The statement is false.





3 0
3 years ago
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Answer:

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  • <u>x = -1</u> is the right answer.
4 0
3 years ago
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What number(s) have the absolute value of 7? Why? (Must explain to receive credit)
Liula [17]

Answer:

Why is | 7 | the absolute value of the number 7?

The absolute value of a number is how far away the number is from zero. The absolute value is ALWAYS positive.

What is the absolute value of -7?

The negative version of the number is also | 7 |

Step-by-step explanation:

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