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Zinaida [17]
3 years ago
8

Can you help find the length of the missing side of each right triangle

Mathematics
1 answer:
Virty [35]3 years ago
3 0

Answer:

7

Step-by-step explanation:

24^2+b^2=25^2

576+b^2=625

<u>-576</u>        <u>-576</u>

b^2=49

√b=√49

b=7

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A) You want to buy a new sweatshirt. They normally cost 28.80, but you found one that's on sale for 40% off its normal price. Ho
arlik [135]
For question A, the answer is 2.  Since the sale sweatshirt if 40% LESS, this means that 60% of the original price still remains. 28.80 x .60 = 17.28

For question B, the answer if 4.  You can divide 17 by 20 getting .85
7 0
4 years ago
In a certain year, the price of gasoline rose by 20% during January, fell by 20% during February, rose by 25% in March, and fell
satela [25.4K]

Using decimal multipliers, it is found that the value of x is of 16.67.

<h3>What is a decimal multiplier?</h3>

Increases of a% or decreases of a% re represented by decimal values, as follows:

  • The equivalent multiplier for an increase of a% is given by: \frac{100 + a}{100}
  • The equivalent multiplier for an decrease of a% is given by: \frac{100 - a}{100}

In this problem:

  • The price at the beginning of January was of a.
  • Increase of 20% in January, hence 1.2a.
  • Decrease of 20% in February, hence 1.2(0.8)a.
  • Increase of 25% in March, hence 1.2(0.8)(1.25)a.
  • Decrease of x% in April, hence 1.2(0.8)(1.25)\left(\frac{100 - x}{100}\right)a

The price of gasoline at the end of April was the same as it had been at the beginning of January, hence:

a =1.2(0.8)(1.25)\left(\frac{100 - x}{100}\right)a

1.2\left(\frac{100 - x}{100}\right) = 1

\left(\frac{100 - x}{100}\right) = \frac{1}{1.2}

\frac{100 - x}{100} = 0.8333

100 - x = 83.33

x = 16.67

The value of x is of 16.67.

To learn more about decimal multipliers, you can take a look at brainly.com/question/24952336

6 0
3 years ago
If the United States is approximately 3.8 x 10 square miles and France is approximately 2.1x10' square
svetoff [14.1K]

Answer:

1.7 x 10 square miles

Step-by-step explanation:

subtract the numbers

6 0
3 years ago
Help me please, ps u don't have to answers all of them
Leni [432]
A) To find the surface area of a cube, you have to use the formula 6•a^2
meaning you just have to calculate one side and multiply it by six.
541.5 is the surface area of the cube.
B) To find the surface area for just five sides, you'll be doing the same, except instead of 6 it'll be five.
so multiply 9.5 by itself
you get 90.25
Then you multiply 90.5 by 5
You get 451.25

Unfortunately I'm not sure how to do C. good luck

5 0
4 years ago
What is the remainder for the synthetic division problem below?
Tcecarenko [31]
The full answer would be x^2 + 8x + 16 + (54/(x-3)). Therefore, the remainder would be A. 54.

Hope this helps!
6 0
3 years ago
Read 2 more answers
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