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Ksivusya [100]
2 years ago
7

Expand the expression. Fill in the blanks 3(n + 7) n +( )7

Mathematics
1 answer:
morpeh [17]2 years ago
4 0
3n + 21 is the answer
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Will give brainliest.
In-s [12.5K]

Answer:

y = 3x -8

Step-by-step explanation:

I find it convenient to start with a version of the point-slope form of the equation for a line. That is, for point (h, k) and slope m, ...

y = m(x -h) +k

For your m=3 and (h, k) = (3, 1), this equation becomes ...

y = 3(x -3) +1

Eliminating parentheses puts this in the form you desire:

y = 3x -8

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2 years ago
What ia the common ratio of the sequence? -2 , 6, -18, 54,...
Jlenok [28]
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3 years ago
Dan bought 1/8 of a pound of
Alja [10]

Answer:

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Step-by-step explanation:

1/8 + 7/8 = 7+1=8, same denominator so it stays, =8/8=1

4 0
3 years ago
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Put the following products in order from least to greatest, without multiplying.
steposvetlana [31]

Answer: Just for the first page

1/2, 3/4, 3/4, 3/4, 3/4, 3/3, 4 1/4, 5

Step-by-step explanation:

8 0
2 years ago
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Replace ∗ with a monomial so that the derived expression may be represented as a square of a binomial: * +14b+49
anyanavicka [17]

Answer:

  * = b²

Step-by-step explanation:

You know that the square of a binomial is of the form ...

  (x + y)² = x² + 2xy + y²

Matching given terms, we have ...

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  2xy = 14b

Solving the first of these relations for y, we have

  y = √49 = 7

Putting that in the second relation and solving for x, we find ...

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  x = b

Then the first term of the expansion, x², will be b².

The missing term is b².

7 0
2 years ago
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