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meriva
3 years ago
13

Show That

mula1" title=" {a }^{2} + {b}^{2} = 8" alt=" {a }^{2} + {b}^{2} = 8" align="absmiddle" class="latex-formula">
​

Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

Answer:

Please see the attached picture for the full solution.

*From the 4th line of the 1st image, you could also expand it using

(a +b)²= a² +2ab +b² and

(a -b)²= a² -2ab +b².

When squaring a fraction, square both the denominator and numerator.

➣(a/b)²= a²/b²

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What is the volume of a rectangular prism that has a length of 9 feet, a width of 5 feet, and a height of 7.5 feet? 300 ft3 150
Deffense [45]

Answer:

The answer is 337.5.

Step-by-step explanation:

Srry Im late. :(

6 0
3 years ago
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3x+10+x solve for x thank you :)
weeeeeb [17]

Answer:

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Step-by-step explanation:

8 0
2 years ago
James earned $39,600 last year. He paid $11,250 towards rent and $1,422 in car payments. What percent of his earnings did Jon pa
tester [92]
Step 1:
Add rent & car payments

=11,250+1422
=$12,672

Step 2:
to determine %, set up a proportion
12,672 is to his total of 39,600 as x is to 100

12,672/39,600 = x/100
cross multiply
(12,672)(100) = (39,600)(x)
1,267,200= 39,600x
divide both sides by 39,600
32%= x

OR

Alternative Step 2:
12,672 ÷ 39,600= 0.32
Alternative Step 3:
0.32 x 100 = 32%
or move decimal to the right 2 places

His rent and car payments are 32% of his earnings.

Hope this helps! :)
5 0
3 years ago
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Find the square root of :<br> √50×8 = ___<br> Please show steps....
Sav [38]
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6 0
3 years ago
-2x-y=-5 In slope intercept form please! :)
schepotkina [342]

Answer:

-2x - y = -5 in slop intercept form would be <u>y = -2x + 5 </u>

Step-by-step explanation:

-2x - y = -5

first add -2x to the left side to move it to the right side because whatever you do to one side u do to the other.

-y = -5 + 2x

divide by -1 on the whole equation

y = -2x + 5 is your answer.

8 0
3 years ago
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