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lana [24]
3 years ago
10

ALGEBRA 1, SEM. 2; PLEASE SHOW WORK f(x)=x2+4x+7 in vertex form

Mathematics
2 answers:
Elina [12.6K]3 years ago
5 0

f(x) = x^2 + 4x + 7

f(x) = x^2 + 4x + 4 + 3

f(x) = (x + 2)^2 + 3

Vertex (h, k) where h = - 2 and k = 3

So vertex (-2 , 3)

emmasim [6.3K]3 years ago
4 0

f(x)=x^2+4x+7 \\ f(x)=x^2+4x+4+3\\ f(x)=(x+2)^2+3

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alexgriva [62]

Answer:

916.1 cm^3

Step-by-step explanation:

1) find the radius of the cylinder:

radius = dimater / 2 = 7,3 / 2 = 3.65 cm

2) find the base area of the cylinder:

base area = radius^2 x 3.14 = 3.65^2 x 3.14 = 41.83265 cm^2

3) find the height of the cylinder:

height = 7.3 x 3 = 21.9 cm

4) find the volume

V = base area x height = 41.83265 x 21.9 = 916.135035 cm^3

5) round to nearest tenth:

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3 years ago
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3 years ago
Find the interior angle sum for the following polygon​
wolverine [178]

Answer:

1620°

Step-by-step explanation:

The figure is an 11-sided polygon and is called hendecagon

The interior angle sum:

180( n-2)   n=11

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3 years ago
Question 29 of 30
frozen [14]

Answer:

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