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Vladimir79 [104]
3 years ago
11

The table shows the time it takes Jenny to swim laps. How long will it take her to swim 14 laps?

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
4 0
It will take her 10.5 minutes
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Evaluate rq2 + 3qr + r2 for r = 5 and q = 2
abruzzese [7]
Answer is 60 U need to calculate carefully with brackets involving multiplication
7 0
3 years ago
Bryan cuts a piece of cardboard in the shape of a trapezoid.the area of the cutout is 43.5 square centimeters.if the bases are 6
Nimfa-mama [501]
<span>trapezoid area = ((sum of the bases) ÷ 2) • height
height = </span>trapezoid area / ((sum of the bases) ÷ 2)
height = 43.5 / ((6 + 8.5) / 2)
height = 43.5 / ((14.5) / 2)
height = 43.5 / (7.5)
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Source:
http://www.1728.org/quadtrap.htm


4 0
3 years ago
1 1/10 divided by 1 1/5
Black_prince [1.1K]

Answer:

  11/12

Step-by-step explanation:

(1 1/10)/(1 1/5) = 1.1/1.2 = 11/12

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You can also work this using improper fractions:

(1 1/10)/(1 1/5) = (11/10)/(6/5) = 11/10×5/6 = (11×5)/(6×10)

  = (11×5)/(6×2×5) = 11/(6×2) = 11/12

6 0
3 years ago
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Jill traveled to Canada and bought a new lamp for $460 Canadian dollars. In US dollars (to the nearest cent) this is equivalent
blsea [12.9K]
The Canadian dollar is .72 of a American dollar so the answer has to be B.
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3 years ago
How to solve 3x/7 - 1/2 = 1/14
nlexa [21]

Answer: 4/3

Step-by-step explanation:

First off, we should all get the denominators to be the same.

14 is the LCM of each of the denominators, so:

3x / 7 times 2/2 = 6x/14

-1/2 times 7/7 = -7/14

and 1/14 is 1/14

So now we have

6x/7 + -7/14 = 1/14

We can multiply everything by 14 to get rid of the denominator completely, which leaves us with:

6x - 7 = 1

Then we just solve like a normal equation:

6x = 8

x = 8/6 , or 4/3

8 0
4 years ago
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