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Andreyy89
3 years ago
10

*25 BRAINLIEST FOR WHOEVER ANSWERS FIRST*

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0

Answer:

Lara's average speed :

average speed = total distance / total time

                         => 8 miles / 2.5 hours

                         => 3.2 mph

Tim's average speed :

= total distance / total time

= 12 miles / 3.5 hours

= 3.43 mph

therefore,

Tim's average speed (3.43 mph) is greater.

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I need to find the easiest way to learn how to divide fractions and mixed fractions. I also don't get how to simplify. 5 1/2 div
Crazy boy [7]

5 1/2 can be expressed as,

5\text{ }\frac{1}{2}=\frac{5\times2+1}{2}=\frac{10+1}{2}=\frac{11}{2}

If a fraction x/y is divided by a/b another fraction,

\frac{\frac{x}{y}}{\frac{a}{b}}=\frac{x}{y}\times\frac{b}{a}

So, 11/2 divided by 3/6 is

\frac{\frac{11}{2}}{\frac{3}{6}}=\frac{11}{2}\times\frac{6}{3}=\frac{11}{2}\times2=11

Therefore, 5 1/2 divided by 3/6 is 11.

8 0
1 year ago
A construction crew built 7 1/2 miles of road in 3 1/8 days.
Amiraneli [1.4K]
2 2/5 per day I’m pretty sure ( 3 1/8 / 7 1/2)
8 0
3 years ago
Read 2 more answers
What are two decimals equivalent to 0.20?
Rzqust [24]

Answer:

2/10 and 1/5

Step-by-step explanation:

1/5 because i simplified 2/10 factor of 2

2/10 is the decimal form of 0.2 or 0.20

5 0
3 years ago
Read 2 more answers
Susan wants to take her school picture that measures 4 inches by 6 inches and enlarge it to make a picture that measures 8 inche
Alex777 [14]

Answer:

dilation . i think

Step-by-step explanation:

5 0
3 years ago
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Find a base length of a shipping box in the shape of a triangle prism.The shipping box has a volume of 276 cubic feet,a height o
Gala2k [10]
The base length will be found as follows:
volume of the triangular prism is given by:
V=1/2ab×h
where:
10 ft
b=6.9 ft
thus the height will be found as follows:
276=1/2×10×6.9×h
solving for h we get:
h=276/34.5
h=8 ft
3 0
3 years ago
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