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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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Which expression is represented by the phrase "9 less than 5 times a number"?
sukhopar [10]
5x - 9.

Five times a number indicates multiplication and less than indicates subtraction. A number would be a variable since it isn’t specified.
6 0
2 years ago
The factors of the number 56 are 1, 2, 4, 7, 8, 14, 28, and 56. Choose the factor pairs of the number 56.
natima [27]

Answer:

b) 7×8

c) 4×14

d) 2×28

Step-by-step explanation:

A factor pair of a number is a pair of numbers that, when multiplied will result in the given number.

The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, and 56.

The factor pairs are:

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  • 2 X 28
  • 4 X 14
  • 7 X 8

Out of the options, only Option A is not a factor pair.

8 0
3 years ago
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REY [17]

Answer:

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5 0
3 years ago
I have no idea what to do pls help ​
kati45 [8]

Answer:

101 = first number

115= second number

101+115=116

101 and 115

yes they are odd because you can not add two nubers to make 101 or 115

yes. they do add up to 116.

Step-by-step explanation: hope this helped

7 0
2 years ago
Determine if the shape shown is a triangel squear rectangel or hexagon or other
jonny [76]
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a square has 4 sides.
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