2 years ago

Please help! The graph of the quadratic function f(x) is shown below. What is the domain of f(x)?

Mathematics

1 answer:

jasenka [17]2 years ago

7 0

no restricted values of x

$x \:∈ \: ℝ$

<h3>All real numbers</h3>

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rosijanka [135]

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3 years ago

A sector with a radius of 8 cm has an area of 56pi cm2. What is the central angle measure of the sector in radians?

Maurinko [17]

Answer:

$\frac{7\pi}{4}$ .

Step-by-step explanation:

Given information:

Radius of circle = 8 cm

Area of sector = $56\pi\text{ cm}^2$

Formula for area of sector is

$A=\dfrac{1}{2}\theta r^2$

where, r is radius and $\theta$ is central angle in radian.

Substitute $A=56\pi$ and r=8 in the above formula.

$56\pi=\dfrac{1}{2}\theta (8)^2$

$56\pi=\dfrac{64}{2}\theta$

$56\pi=32\theta$

$\dfrac{56\pi}{32}=\theta$

$\dfrac{7\pi}{4}=\theta$

Therefore, the measure of the sector in radians is $\frac{7\pi}{4}$ .

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3 years ago

If there are 48 boys and 32 girls in a room, fill out all of the possible ratios of boys to girls that could be made.

kaheart [24]

Answer:

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Step-by-step explanation:

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2 years ago

Leanne multiplied 8x4.3 and got 32.24

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The correct answer is 34.4

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Work is attached to this post

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