What’s equivalent to 1/7-3(3/7n-2/7) combine like terms

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

8 0

Answer:

(1/7)(-9n + 7)

Step-by-step explanation:

1/7-3(3/7n-2/7) can be factored: factor out 1/7.

We get: (1/7)[1 - 3(3n - 2)], or

(1/7)[1 - 9n + 6], or

(1/7)(-9n + 7)

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Y = −(x + 4)2 − 7 vertex

ICE Princess25 [194]

Answer:

The vertex (h,k) is (-4,-7).

Step-by-step explanation:

I assume you are looking for the vertex $y=-4(x+4)^2-7$ .

The vertex form of a quadratic is $y=a(x-h)^2+k$ where the vertex is (h,k) and a tells us if the parabola is open down (if a<0) or up (if a>0). a also tells us if it is stretched or compressed.

Anyways if you compare $y=-4(x+4)^2-7$ to $y=a(x-h)^2+k$ , you should see that $a=-4,h=-4,k=-7$ .

So the vertex (h,k) is (-4,-7).

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3 years ago

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Answer:

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Step-by-step explanation:

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The volume of this prism

Licemer1 [7]

$answer = 66 \: {cm}^{3} \\ solution \\ volume = lwh \\ \: \: \: \: \: \: \: \: \: \: = \: 11 \times 3 \times 2 \\ \: \: \: \: \: \: \: \: \: = 66 \: {cm}^{3} \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment$