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tiny-mole [99]
3 years ago
10

Kendra has $ 7.75 $7.75 in nickels and quarters. if she has 13 13 more quarters than nickels, how many of each coin does she hav

e?
Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0
Total of $7.75
13 more quarters than nickels

15 nickels = $0.75
28 quarters = $7.00

28 - 15 = 13 coins
$7.00 + $0.75 = $7.75


She has 15 nickels and 28 quarters.
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A running relay team ran a 400 meter race in a record-setting time of 36 seconds. What was their average speed to the nearest te
astraxan [27]
Distance = speed x time
speed = distance/time
time = distance / speed

400m/36s = 11 1/9 m per second
8 0
2 years ago
Please help. WIll give brainliest if you explain
Eddi Din [679]
The answer to 2 is <span>√30/5 or 1.09545

First, you multiply the numerator and denominator by </span>√5. 
√6x<span>√5=√30 
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5 0
3 years ago
The length of a rectangle is (x+3) inches long,and the width is 3⅖ inches.If the area is 15 3/10 square inches,write an equation
tino4ka555 [31]

Answer:

(x + 3) = 9/2

Step-by-step explanation:

Here, we want to write an equation to find the length of the rectangle

Mathematically;

Area of rectangle = length * breadth

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(x + 3) = 15 3/10 divided by 3 2/5

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8 0
2 years ago
What percent of 90 is 50
andre [41]
To re-phrase this: 50 is a certain percent of 90.

this can be written mathematically as 50=x%*90

let's divide both sides by 10:

5=x%*9

and divide both sides by 9:

\frac{5}{9} =x%

which in decimals is approximately 0.56 (but not exactly).

so 0.56=x%

and the x then 56

so 50 is approximately 56% of 90:

exactly 56%of 90 is 50.4
4 0
3 years ago
4-0,9+(-0,11)-(-1,3) PLEASE HELP
eduard

Answer:

-20

Step-by-step explanation:

PEMDAS

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2 years ago
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