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Marrrta [24]
1 year ago
12

the ages of mother and daughter are in the ratio of 5 : 3 if the age of mother is 50 years find the age of her daughter ​

Mathematics
1 answer:
netineya [11]1 year ago
5 0

Answer:

30 years

Step-by-step explanation:

Forming Algebraic expressions and solving them to find the age.

Ratio of age of mother and daughter = 5 : 3

Age of mother = 5x

Age of daughter = 3x

It is given that mother's age is 50 years.

⇒ 5x = 50

Divide both sides by 5.

  x = 50÷5

 x = 10

Daughter's age = 3x

                          = 3*10

                         = 30 years

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Answer: 56 large cars and 86 small cars.

Step-by-step explanation:

Let's call:

l: the number of large cars.

s: the number of small cars.

Then, you can set up the following system of equations:

\left \{ {{l+s=142} \atop {5.50l+4.0s=652.50}} \right.

You can use the Elimination Method:

- Multiply the first equation by -4.0

- Add both equations.

- Solve for l.

\left \{ {{-4.0l-4.0s=-568} \atop {5.50l+4.0s=652.50}} \right.\\--------\\1.5l=84.5

l≈56

Substitute l=56 into one of the original equations and solve for <em>s:</em>

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2 years ago
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Step-by-step explanation:

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4 0
2 years ago
In triangle DEF, side DE is 3 inches, side EF is 4 inches, and sides DF is 5 inches. The largest angle is opposite which side.?
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<h2>C. –1.3 + 1.9</h2>

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