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3 years ago

Good morning can anybody help me out with this assignment please and thanks! \

Mathematics

2 answers:

Setler79 [48]3 years ago

8 0

Answer:

okay ill try

Step-by-step explanation:

Nana76 [90]3 years ago

4 0

Answer:

Step-by-step explanation:

Where is the picture

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3 sqrt x+4 + 3 sqrt 2x+8=0

lina2011 [118]

$3\sqrt{x+4}+3\sqrt{2x+8}=0$

Subtract $3\sqrt{2x+8}$ from both sides.

$3\sqrt{x+4}= -3\sqrt{2x+8}$

Square and expand both sides.

9x+36=18x+72

Subtract 9x from both sides.

36=9x+72

Subtract 72 from both sides.

-36=9x

Divide both sides by 9.

-4=x

Your answer would be -4.

I hope this helps :)

8 0

3 years ago

Please help we just started learning this before hurricane Sally hit and knocked the power out last week.

Sever21 [200]

Answer:

5¹⁴

Step-by-step explanation:

Exponent Rule: $(b^m)^n = b^{mn}$

(5²)⁷

m = 2

n = 7

2(7) = 14

5¹⁴

3 0

3 years ago

Read 2 more answers

Need help here <br> who is right?

FinnZ [79.3K]

Step-by-step explanation:

Olivia is correct. Each O is opposite of the angle θ, and each A is adjacent.

Paula's first triangle was correct. But on the second triangle, she reversed the O and A.

7 0

4 years ago

HELP ASAP!!!!!<br><br> 2x 2y=5 <br> y=1/4x

andrey2020 [161]

Answer:

X=2

Y=1/4*2

Y=1/2

Y=.5

Step-by-step explanation:

PROOF

2*2+2*.5=5

4+1=5

5=5

3 0

3 years ago

It me again I need help

9966 [12]

Answer:

85%

Step-by-step explanation:

He hit it 17/20

We want that as a percent

Multiply by 5/5

17/20*5/5 = 85/100

Percent means out of 100

85%

3 0

3 years ago

Read 2 more answers