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Degger [83]
3 years ago
7

Help me with mathhh?!!!!??? ​

Mathematics
1 answer:
DedPeter [7]3 years ago
3 0

Answer:

x = 1 1/4

Step-by-step explanation:

sqrt( 7x+2) = sqrt(3x+7)

Square each side

(sqrt( 7x+2))^2 = (sqrt(3x+7))^2

7x+2 = 3x+7

Subtract 3x from each side

7x-3x +2 = 3x+7-3x

4x+2 = 7

Subtract 2 from each side

4x+2-2 = 7-2

4x = 5

Divide by 4

4x/4 = 5/4

x = 1 1/4

Check for extraneous solution

sqrt( 7*5/4+2) = sqrt(3*5/4+7)

sqrt( 35/4 + 8/4) = sqrt(15/4+28/4)

sqrt( 43/4) = sqrt(43/4)

Solution is valid

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Answer:

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Step-by-step explanation:

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34 can only be put into 77 two times

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Naddika [18.5K]

Step-by-step explanation:

HERE,

\angle{PQR=20+2x  } ⠀

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we know that,

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According to the question,

\angle{PQR}+\angle{QRS}=180 ⠀

\tt{20+2x+6x=180  } ⠀

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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Math is so hard man but can someone help me
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Answer:

a

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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