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spin [16.1K]
3 years ago
7

Help. i will give respec.

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
4 0
A . -5+7=2 is the answer
Gelneren [198K]3 years ago
3 0

Answer:

A. -5+7=2

Step-by-step explanation:

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A certain brand of coffee costs $2.99 for 11.3 ounces. What is the unit rate? Enter your answer, rounded to the nearest cent, in
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Marsh
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3 years ago
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Two identical CDs regularly cost a total of $\$28.$ What is the cost in dollars of five of these CDs?
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7 0
3 years ago
HELP!!<br>Find the third term of (x^2+3y)^3
lana66690 [7]

Answer:

T_{3}=27{x}^{2}y^2

Step-by-step explanation:

The given binomial expression is:

( {x}^{2} + 3y)^{3}

When we compare to:

{(a +b)}^{n}

We have

a =  {x}^{2}

b = 3y \\ n = 3

The nth term is given by;

T_{r+1}=^nC_ra^{n-r}b^r

To find the 3rd term, we put:

r + 1 = 3 \\ r = 2

We substitute into the formula to get:

T_{3}=^3C_2( {x}^{2} )^{3-2}(3y)^2

We simply:

T_{3}=3( {x}^{2} )^{1} \times 9y^2

T_{3}=27{x}^{2}y^2

3 0
3 years ago
Y
Arada [10]
What is this?????????
5 0
3 years ago
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