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Anika [276]
3 years ago
6

(4ab - 8a 2 + 12ac) ÷ 4a

Mathematics
1 answer:
ioda3 years ago
7 0

we are given

\frac{(4ab-8a^2+12ac)}{4a}

we can see that

4a is in multiple in numerator

so, we can factor it out

\frac{4a(b-2a+3c)}{4a}

now, we can cancel 4a

and we get

(b-2a+3c).............Answer

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What is the explicit formula for this sequence?
SVEN [57.7K]

Answer:

The correct answer is b.)

Step-by-step explanation:

Given:

Sequence  -7, -4, -1, 2, 5.......  => a₁ = -7, a₂ = -4, a₃ = -1, a₄ = 2 and a₅ = 5

We conclude that this sequence is arithmetic series.

First we must find difference d:

d = a₂ - a₁ = a₃ - a₂ = -4 - (-7) = -1 - (-4) = -4 + 7 = -1 + 4 = 3

d = 3

The formula for n-th term of the arithmetic series is:

aₙ = a₁ + (n-1) d

aₙ = -7 + (n-1) 3

God with you!!!

4 0
2 years ago
Find ​(a) the slope of the curve at the given point​ p, and ​(b) an equation of the tangent line at p. y=−2−9x2​; ​p(2​,−38​)
Neporo4naja [7]

Answer:

a) -36

b) y = -36x +34

Step-by-step explanation:

a) The slope is found using the derivative of the function.

  f'(x) = dy/dx = 0 -9(2x) = -18x

Then at x=2, the slope is ...

  f'(2) = -18·2 = -36

___

b) The point-slope form of the equation can be written as ...

  y = -36(x -2) -38

Simplifying to slope-intercept form, we get ...

  y = -36x +34

6 0
3 years ago
Which explanation provides the best real-world senario of the graph​
VikaD [51]

Answer:

i don't know

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
80 kg decreased by 63%
Alina [70]
63% decrease.

0.63•80=50.4kg
80kg-50.4kg=29.6kg
8 0
3 years ago
Find the mean of the following numbers 7 21 2 17 3 13 7 4 9 7 9
Hitman42 [59]

Answer:

9

Step-by-step explanation:

sum of the terms

mean=------------------------------

number of the terms

6 0
2 years ago
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