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tatyana61 [14]
3 years ago
13

We can express time as a fraction of an hour. For example, 15 min is 1/4 hour. 30 min is 1/2 hour. What fraction of an hour is 4

5 minutes
Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0
45 minutes is .75 or 3/4
aleksklad [387]3 years ago
4 0
3/4 because 15 ( 1/4 ) times 3 = 45 ( 3/4)
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A family plans a road trip from Fairbanks to Newbury. The distance between the two cities is 240 miles when traveling on the hig
alex41 [277]

Using proportions, it is found that the family will drive 482.8 km on the new route.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, the family travels a distance of 125% of 240 miles, hence the distance is:

D = 1.25 x 240 = 300 miles.

Since there are are approximately <u>48.28 kilometers in 30 miles</u>, and 300/30 = 10, the distance in kilometers is given by:

D = 48.28 x 10 = 482.8 km.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0
2 years ago
What is the length of the base of a right triangle with an area of  20 m² and a height of 4 m?
mars1129 [50]
A = 1/2 hb
20 = 1/2 x 4 x b
20 = 2 b
b = 20 /2
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answer is <span>10 m</span>
3 0
3 years ago
Does anyone know what this answer is?<br> 0.3x − 2.7 =
meriva

Answer:

the answer is 9

Step-by-step explanation:

why it 9 Add '2.7' to each side of the equation.

-2.7 + 2.7 + 0.3x = 9 + 2.7

Combine like terms: -2.7 + 2.7 = 0.0

0.0 + 0.3x = 9 + 2.7

0.3x = 9 + 2.7

Combine like terms: 9 + 2.7 = 11.7

0.3x = 11.7

Divide each side by '0.3'.

x = 39

Simplifying

x = 39

7 0
3 years ago
Read 2 more answers
What's m + 6/3 equals -8​
Tom [10]

Answer:

see below

Step-by-step explanation:

m+6/3 = -8

Simplify the fraction

m+2 = -8

Subtract 2

m+2-2 = -8-2

m = -10

or

(m+6)/3 = -8

Multiply each side by 3

m+6 = -8*3

m+6 = -24

Subtract 6

m+6-6 = -24-6

m = -30

8 0
3 years ago
What is .8 percent of 2000
REY [17]
.8 percent of 200 is 1600 becaus 2000* .8=1600
3 0
3 years ago
Read 2 more answers
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