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2 years ago

What is the completely factored form of this polynomial? 4x4+12x2+9

Mathematics

1 answer:

nlexa [21]2 years ago

6 0

When it says 4x4 and 12x2 does that mean it’s squared or multiplied by those?

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Can someone help me please

pishuonlain [190]

Answer:

Step-by-step explanation:

36+88+y=180

124+y=180

y=180-124

x+90+56=180

x+146=180

x=180-146

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2 years ago

108 cookies in 36 minutes. how many cookies did he decorate per minute?

Mumz [18]

Answer:

Step-by-step explanation:

108 divided by 36 = 3

search up 108 / 36

3 0

2 years ago

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Find the circumference of the circle. Show your work , round to the nearest 10th .

tester [92]

Answer:

C = 144.4 yds

Step-by-step explanation:

C = 2πr Use the equation of circumference and substitute the given radius

C = 2(3.14)(23) Multiply

C = 144.4 yds

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3 years ago

Please answer!

melisa1 [442]

Answer:

49,200

Step-by-step explanation:

41,000 x 1.2 = 49,200

7 0

2 years ago

Read 2 more answers

the cylinder has radius 4√3 and hight h. the total surface area of the cylinder is 56π√6. find the exact value of h giving the a

Arte-miy333 [17]

The area of the cylinder is a function of its height (h) and radius, ( $\mathbf{4\sqrt 3}$ )

The exact value of h is: $\mathbf{7\sqrt 2- 4\sqrt 3}$

The given parameters are:

$\mathbf{Area =56\pi\sqrt 6}$

$\mathbf{r=4\sqrt 3}$

The surface area of a cylinder is calculated as:

$\mathbf{Area = 2\pi rh + 2\pi r^2}$

Substitute values for Area

$\mathbf{56\pi\sqrt 6= 2\pi rh + 2\pi r^2}$

Divide through by pi

$\mathbf{56\sqrt 6= 2 rh + 2r^2}$

Substitute value for r

$\mathbf{56\sqrt 6= 2 (4\sqrt 3)h + 2(4\sqrt 3)^2}$

$\mathbf{56\sqrt 6= 8h\sqrt 3 + 2\times 48}$

$\mathbf{56\sqrt 6= 8h\sqrt 3 + 96}$

Collect like terms

$\mathbf{8h\sqrt 3 = 56\sqrt 6- 96}$

Make h the subject

$\mathbf{h = \frac{56\sqrt 6}{8\sqrt 3}- \frac{96}{8\sqrt 3}}$

$\mathbf{h = 7\sqrt 2- \frac{12}{\sqrt 3}}$

Rationalize

$\mathbf{h = 7\sqrt 2- \frac{12\sqrt 3}{3}}$

$\mathbf{h = 7\sqrt 2- 4\sqrt 3}$

Hence, the exact value of h is: $\mathbf{7\sqrt 2- 4\sqrt 3}$