3 years ago

A window in the shape of a parallelogram has

Mathematics

1 answer:

Schach [20]3 years ago

4 0

Answer:

Step-by-step explanation:

ABCD is parallelogram. So, AB = CD = 5 ft

h (altitude) = 4 ft

Area = base * altitude = 5*4 = 20 square feet.

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n a jar of coins, the ratio of nickels to dimes is 5:7. If the jar contains 350 dimes, how many nickels are there?

irina1246 [14]

Answer:

250 nickles

Step-by-step explanation:

Nickles and dimes are coins with different currency values. One nickel(N) is equal to 5 cents while one dime(D) is equal to 10 cents. The ratio of nickel:dime is 5:7, to put into the equation it will be:

N/D= 5/7

7N=5D ---> 1st equation

There are 350 dimes, the equation will be:

D=350 ----> 2nd equation

We can find out the number of nickels by substitute the 2nd equation into the first. The calculation will be

7N=5D

N= 5D/7

N=5(350)/7

N= 250

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sertanlavr [38]

Answer:

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Step-by-step explanation:

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kozerog [31]

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