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Vilka [71]
3 years ago
8

The variable k represents a value in the set {-2-4-6-8}. which value of k makes 4 (1.5-k)-10=56/2 a true statement A.-2 B. -4 C.

-6 D.-8
Mathematics
1 answer:
patriot [66]3 years ago
5 0

Question: The variable k represents a value in the set {-2,-4,-6,-8}. Which value of k make 4(1.5-k)-10=56/2 a true statement?

Step-by-step explanation:

brainly.com/question/23369106

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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:

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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:

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8 0
3 years ago
(2x -5) - 1.75(x+4) simplify
Strike441 [17]

Step-by-step explanation:

=0.25x-12 I hope this helped:)

8 0
3 years ago
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yaroslaw [1]
The length of the bigger piece is 28 and the total length is 40
7 0
2 years ago
What is the length of the longer leg of the right triangle?
Anvisha [2.4K]

Answer:

8 units

Step-by-step explanation:

The longer leg extends upward from y = -3 to y = 5, so its length is 8 units.

5 0
3 years ago
A right cylinder has a radius of 3 and a height of 12. What is its surface area?
shepuryov [24]

Answer:

Surface Area = 283

Step-by-step explanation:

Radius = 3

Height = 12

Formula for suface area is SA= 2πrh+2πr^2

let "r" be for radius

let "h" be for height

SA=2*π*3*12+2*π*3^2

SA=282.74

round to the nearest ones spot and that will make the surface area = 283

8 0
4 years ago
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