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vekshin1
3 years ago
15

The vertex of f(x) = 3(x+2)2 – 4 is (-2,-4). true or false?

Mathematics
2 answers:
S_A_V [24]3 years ago
7 0
My Brain ish saying TRUE! ^-^
disa [49]3 years ago
5 0
True is the answer thats what i got
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The width and the length of a rectangle are consecutive even integers. if the width is decreased by 3 inches, then the area of t
solong [7]
Consecutive even integers =   x,  x + 2

(x - 3)(x + 2) = 24               Since width x, was decreased by 3.

If we test x = 6,    (6 - 3)(6 + 2) =   3*(8) = 24

So to    <span>(x - 3)(x + 2) = 24,   x = 6 satisfies it.

The original rectangle = </span><span>x,  x + 2 =   6,  6 + 2 =    6,   8
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Original area = 6*8 = <span>48 square inches</span></span>
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4 years ago
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3 years ago
8 1/5 ( 4 2/5 + 3 3/10) <br> What is the answer
steposvetlana [31]
<span>8 1/5 ( 4 2/5 + 3 3/10) 
= </span><span>8 1/5 ( 4 4/10 + 3 3/10) 
= 8 1/5 * 7 7/10
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= 63 7/50

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3 0
4 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
Nuetrik [128]
The mean is the sum of all 12 numbers divided by 12, which is 578.25 ~ 578.3. The variance is calculated by subtracting each score from the mean, squaring, and adding all such squares. Then divide by the number of terms (12) to get 68572.35. Take the square root to get the standard deviation, which is 261.9. So the correct answer is B.


8 0
4 years ago
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3b-4/2 = c (solve for b)<br><br> please show work, thanks!
liq [111]

Answer:

Step-by-step explanation:

1. multiply both sides by 2

<em>3b-4=2c</em>

2. add 4 to both sides

3b=2c+4

3. divide both sides by 3

b= \frac{2b+4}{3}

6 0
4 years ago
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