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FromTheMoon [43]
3 years ago
6

PRETTY PLEASE HELP!! ILL GIVE BRAINLIEST! it’s due tonight :(

Mathematics
1 answer:
Marianna [84]3 years ago
5 0

Answer:

a = 8 m

Step-by-step explanation:

Since, given is an isosceles right triangle.

So, by Pythagoras theorem:

{a}^{2}  +  {a}^{2}  =  {(8 \sqrt{2} )}^{2}  \\  \\ 2 {a}^{2}  = 128 \\  \\  {a}^{2}  =  \frac{128}{2}  \\  \\  {a}^{2}  = 64 \\  \\ a =  \sqrt{64}  \\  \\ a = 8 \: m

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3 years ago
How do I express a fraction as a percent?<br><br> Ex: 29 over 50
tangare [24]
<span>1. Divide the top of the fraction by the bottom
<span>2. Then multiply the result by 100 and read off the answer! 


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4 0
3 years ago
Solve for x. Write both solutions, separated by a comma. 8x^2+7x-1=0
Ivan

Answer:

<h2>x = 1/8 , - 1</h2>

Step-by-step explanation:

8x² + 7x - 1 = 0

Rewrite 7x as a difference

That's

8x² + 8x - x - 1 = 0

Factorize

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Hope this helps you

7 0
3 years ago
Which of the following properties completes the proof?
Tresset [83]

The subtraction property of inequality can be used to proof that x = 7 from  x + 8 = 15

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Given that x + 8 = 15

Hence:

x + 8 - 8 = 15 - 8 (subtraction property of inequality)

x = 7

The subtraction property of inequality can be used to proof that x = 7 from  x + 8 = 15

Find out more on equation at: brainly.com/question/2972832

#SPJ1

6 0
2 years ago
I NEED THIS DONE IN TWO HOURS :,(
Pani-rosa [81]
I hope I’m not too late. Substitute x = 4y + 5y = 2
y = 2. Substitute this value into the first equation: x + -4 x 2 = -8. So the answer is (-8,2).
3 0
3 years ago
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