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3 years ago

50% of Jada's shirts have short sleeves. If she has 20 short-sleeved shirts, how many shirts does Jada have altogether?

Mathematics

2 answers:

Inessa05 [86]3 years ago

8 0

Answer:

40 shirts

Step-by-step explanation:

if half of her shirts are short sleeved, then double that amount is the total shirts

kow [346]3 years ago

3 0

40. 50% of a number is half so 20 is only half of Jadas shirts. Multiply 20 by 2 to get 40

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kompoz [17]

Answer:Answer: 175 %

Step-by-step explanation:

Given : A school year is 4 quarters.

To find : what percent of a school year is 7 quarters.

The percentage of a school year is 7 quarters will be given by :-

Since a school is 4 quarters , then

The percentage of a school year is 7 quarters will be :

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3 years ago

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VikaD [51]

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3 years ago

Use the given figure to find the length of x.

lubasha [3.4K]

Answer:

x = 18

Step-by-step explanation:

This problem can be solved using concept of Pythagoras theorem.

Pythagoras theorem states that in a right angled triangle, if "a" and "b" are sides containing the right angle and h is hypotenuse then the relation between them is $a^2 + b^2 = h^2$

_________________________________________

Given in the problem

a = 24

b = x

h = x+12

applying Pythagoras theorem

$24^2 + x^2 = (x+12)^2\\=> 576 + x^2 = x^2 + 24x + 144\\=>576 = x^2 + 24x + 144 - x^2\\=> 576 = 24x + 144 \\=> 576 - 144= 24x\\=> 432 = 24x\\=> x = 432/24 = 18$

for (x+12)^2 we have used formula $(a+b)^2 = a^2 + 2ab + b^2$

Thus, value of x is 18.

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4 years ago