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2 years ago

Translate the expression: “the difference between twice a number and 23”

Mathematics

1 answer:

kherson [118]2 years ago

7 0

Answer:

23- 2x

Step-by-step explanation:

Twice a number is 2 and "x" represents "a number"

Key words: Twice, Difference (subtraction)

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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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Which absolute value function has a graph that is wider than the parent function, f(x) = |x|, and is translated to the right 2 u

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Transformation involves changing the form of a function.

The absolute value function is $f(x)=0.3|x -2|$

The parent function of the absolute value function is:

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When the function is translated 2 units to the right, the new function is:

$f(x)=|x -2|$

From the function to be wider than the absolute function, the function must be stretched by a factor less than 1.

The possible function from the list of given options is $f(x)=0.3|x -2|$

Read more about function transformation at:

brainly.com/question/1548871

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