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3 years ago

Math question! Thanks if you help

Mathematics

2 answers:

grandymaker [24]3 years ago

7 0

Answer:

pythagoras theorem

$a^2+b^2=c^2$

so we have a and b

12 and 9

so ... $12^2+9^2 = 225$

take the square root to find c, since 225 is c^2

so √225 = c = 15

bulgar [2K]3 years ago

5 0

Answer:

B) 15

Step-by-step explanation:

This is a right triangle and in right triangles the square length of hypotenuse is equal to the sum of square length of base and side length

9^2 + 12^2 =√hypotenuse

225 = √hypotenuse

15 = hypotenuse

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3 years ago

Sarah scored an 8/10 on the spelling test and Jonathan scored 75% of Sarah’s score on the spelling test. What is the score of Jo

Fudgin [204]

$\frac{3}{5}$ is the score of Jonathan.

<h3 /><h3>What is percentage?</h3>

Percentage, which may also be referred to as percent, is a fraction of a number out of 100%. Percentage means "per 100" and denotes a piece of a total amount.

To calculate the percentage , Use the percentage formula:

$X * \frac{Percentage}{100} = Y$

According to the question:

Sarah scored on the spelling test = $\frac{8}{10}$

Jonathan scored = 75%

By formulating both the values;

$\frac{8}{10} * \frac{75}{100}$

= $\frac{3}{5}$

Therefore , $\frac{3}{5}$ is the score of Jonathan.

Learn more about percentage here:

brainly.com/question/13450942

#SPJ1

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2 years ago

Find the value of this expression: (7+5)3-3

Ilia_Sergeevich [38]

The answer is 33

Hope this helps

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3 years ago

Read 2 more answers

X=-5 and x=7<br><br>x=13 and x=6

Natasha_Volkova [10]

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4 years ago

Please hurry!! Select all that apply.<br> To write a percent as a decimal..

igomit [66]

Answer:

<h2>Divide by 100</h2><h2>and</h2><h2>Move the decimal point two places to the left</h2>

Step-by-step explanation:

__________________________________________________________

According to <em>Calculator Soup,</em>

<em>Divide a percent by 100 and remove the percent sign to convert from a percent to a decimal. The shortcut way to convert from a percentage to a decimal is by removing the percent sign and moving the decimal point 2 places to the left. Express 50% as a decimal. "Percent" means "per 100" or "over 100".</em>

<em>The answers are Divide by 100 and Move the decimal point two places to the left.</em>

<em>Hope this helps! <3</em>

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3 years ago