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Pachacha [2.7K]
2 years ago
5

Is 2/7 a proportional expression

Mathematics
1 answer:
allochka39001 [22]2 years ago
4 0

9514 1404 393

Answer:

  no

Step-by-step explanation:

A proportion is an equation saying two ratios are equal to each other.

One ratio is not a proportion.

___

It would be a proportion if it were said to equal something:

  2/7 = peanuts/popcorn . . . is a proportional expression

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What is the first step in order to solve the equation p-6.1=10 is it add 6.1 to the p -6.1 and add 10 to the 10 or is it another
MaRussiya [10]

Answer:

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3 years ago
Janice has three times as many dimes as nickels. If the total value of the money is $9.10, how many of each types of coin does s
ICE Princess25 [194]
X= number of nickels
3x= number of dimes

Each nickel is $0.05 and each dime is $0.10. Multiply each coins monetary value by the quantity of each. Add them equal to the total $9.10.

(0.05 * x) + (0.10 * 3x)= 9.10
multiply inside parentheses

0.05x + 0.3x= 9.10
add

0.35x= 9.10
divide both sides by 0.35x

x= 26 nickels


DIMES
3x= 3(26)= 78 dimes

CHECK:
(26 nickels * 0.05) + (78 dimes * 0.10)= 9.10
$1.30 + $7.80= $9.10
$9.10= $9.10


ANSWER: There are 26 nickels and 78 dimes.

Hope this helps! :)
3 0
3 years ago
What is the exact area of the circle having a radius of 11 miles?
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