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Len [333]
3 years ago
12

Company A

Mathematics
1 answer:
Alisiya [41]3 years ago
5 0

Answer:

C. 12x + 40

Step-by-step explanation:

Got 100% on edge.

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Expressions are problems with no answer. I would use it to represent inequalities and/or a basic formula
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3 years ago
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Can someone plug some numbers into a small equation real quick for me?:)
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-13 times -7 equals -91
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3 years ago
What is the fourth term in the binomial expansion of (2x – y) 7?
nata0808 [166]

Answer:

(7C4) (2x)^4 (-y)^{7-4}

And replacing we got:

35 (2^4) x^4 (-y)^{-3}

And then the final term would be:

-560 x^4 y^3

Step-by-step explanation:

For this case we have the following expression:

(2x-y)^7

And we can use the binomial theorem given by:

(x+y)^n =\sum_{k=0}^n (nCk) x^k y^{n-k}

And for this case we want to find the fourth term and using the formula we have:

(7C4) (2x)^4 (-y)^{7-4}

And replacing we got:

35 (2^4) x^4 (-y)^{-3}

And then the final term would be:

-560 x^4 y^3

8 0
2 years ago
Solve for d in terms of r
Zarrin [17]

Hello!

Answer:

d=2r

Step-by-step explanation:

Simplify both sides and isolate the variable.

Hope this helps!

5 0
2 years ago
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If the scale factor of two similar cylinders is 4:7, what is the volume ratio?
jekas [21]

Answer:

     64 : 343

Step-by-step explanation:

When working with scale factors

Lengths are related by the scale factor

perimeters are related by the scale factor

areas are related by the scale factor squared

volumes are related by the scale factor cubed

The scale factor is 4:7

The volumes are related by 4^3 : 7^3

                                             64 : 343

3 0
3 years ago
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