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Lelu [443]
3 years ago
9

Help.this question ha sbeen egttin on my nerves for days

Mathematics
1 answer:
pogonyaev3 years ago
8 0

Answer: 8y4+25y3+60y2+10y+7

Step-by-step explanation:

(y2+3y+7)(8y2+y+1)

=(y2+3y+7)(8y2+y+1)

=(y2)(8y2)+(y2)(y)+(y2)(1)+(3y)(8y2)+(3y)(y)+(3y)(1)+(7)(8y2)+(7)(y)+(7)(1)

=8y4+y3+y2+24y3+3y2+3y+56y2+7y+7

=8y4+25y3+60y2+10y+7

hope this helps!:)

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tankabanditka [31]

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Step-by-step explanation:

Hope this helps! Happy Trails!

8 0
3 years ago
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Please help me!!
ipn [44]

{\color{chartreuse}{Measure\:of\: ∠\:on\: one\: side\:of\:line\:=\:180°}}

∠ Given are (x + 18)° , x° , 4x° and one Angle is 90° as per diagram

Let ,

1st∠ = (x + 18)°

2nd∠ = x°

3rd∠ = 4x°

so ,

⟶\:(x \:+\: 18)°\:+\:x°\:+\: 4x°\:+\:90°\:=\:180°

⟶\:6x°\:+ \:18°\:+\:90°\:=\:180°

⟶\:6x°\:+ \:108°\:=\:180°

⟶\:6x°\:=\:180°\:-\:108°

⟶\:6x\:=\:72°

⟶\:x\:=\:\frac{72}{6} \\

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substituting x = 12 at the place of x .

= x° + 18°

= 12° + 18 °

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= x°

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7 0
3 years ago
Patrica is trying to compare the average rainfall of New York to that of Arizona. A comparison between these two states for the
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3 years ago
Diane has $1.40 in dimes and nickels. She has a total of 16 coins. How many of each kind does she have?
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9514 1404 393

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Harlamova29_29 [7]
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