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sukhopar [10]
3 years ago
13

Calculate the average speed in miles per hour of a journey of 36 miles which took 45 minutes. with explanation pls thx

Mathematics
2 answers:
kondor19780726 [428]3 years ago
7 0
Speed= distance/time
So your distance is 36 miles and the time is 45 minutes. U convert the time to hours and you’ll get 0.75 hours.

Speed = 36/0.75
= 48 miles/hour
Arte-miy333 [17]3 years ago
5 0

Answer:

= 48 miles/hour

Step-by-step explanation:

Speed=distance/time

Speed = 36/0.75

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two sides of an obtuse triangle measure 12 inches and 14 inches.the longest side measures 14 inches.what is the greatest possibl
Sidana [21]
The length of a side of a triangle must be less than the sum of the lengths of the other two sides and greater than the difference of the lengths of the other two sides.

12 in. + 14 in. = 26 in.

14 in. - 12 in. = 2 in.

The third side must measure more than 2 inches and less than 26 inches, but we are told that the 14-inch side is the longest side of the triangle, so the third side must measure less than 14 inches. The largest whole-number length less than 14 inches is 13 inches.

Answer: It measures 13 inches.
4 0
3 years ago
N − 2/3 = 25 3/4 help now
Sav [38]

Answer:

26 5/12

Step-by-step explanation:

n − 2/3 = 25 3/4                            Add 2/3 to both sides

n - 2/3 + 2/3 = 25 3/4 + 2/3         Combine

n = 25 3/4 + 2/3

Work with the fractions

3/4 + 2/3                                      The lowest common denominator is 12

(3*3)/(3*4) = 9 / 12

(2*4)/(3*4) = 8/ 12

9/12 + 8/12 = 17/12 = 1 5/12

Now you need to add 1 to 25

1 + 25 = 26

And add the fraction 5/12

The answer is 26 5/12

5 0
3 years ago
Find the percent of change and describe it as an increase or decrease. If necessary, round to the nearest tenth.
Zanzabum
B 25%percent increase is the answer
5 0
3 years ago
Which of the following is equal to 1/5^-2<br>A.1/25<br>B.-1/25<br>C.25<br>D.1/7
Ede4ka [16]

Answer:

  C.  25

Step-by-step explanation:

The applicable rule of exponents is ...

  a^b = 1/a^-b

Matching this pattern to your expression, you see that ...

  a = 5

  b = 2

Then ...

  1/5^-2 = 5^2 = 25

5 0
3 years ago
13.5 is 15% of what number?<br> O A) 111.1<br> OB) 60<br> OC) 202.5<br> OD) 90
Nostrana [21]

Answer: 90

Step-by-step explanation:

15% of 90 = 13.5

4 0
3 years ago
Read 2 more answers
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