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2 years ago

23 points please help simplify the square root sqrt (32x^2) if x>=0

Mathematics

1 answer:

dexar [7]2 years ago

3 0

Answer:

4√2x.

Step-by-step explanation:

√32 = √2*√16 = 4√2.

√x^2 = x.

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Answer:

33.14 ft^2

Step-by-step explanation:

First find the area of the circle

The diameter is 20 ft so the radius is 1/2 of the diameter of 20*1/2 = 10 ft

A = pi r^2 = pi ( 10)^2 = 100 pi

The central angle is 38

That is a fraction of the circle, which is 360 degrees

38/360 = 19/180

Multiply the fraction of the circle by the area

19/180 * 100 pi

19/9 * 5 pi

Using 3.14 for pi

33.144444

To the nearest hundredth

33.14 ft^2

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3 years ago

What is the rule for the reflection?

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4 years ago

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Answer:

7.5%

Step-by-step explanation:

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21 / 280 = 0.075 = 7.5%

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3 years ago

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2 years ago

Graph the ordered pairs for y = 4x + 2 using x = {-2, 1, 2}

Grace [21]

Answer:

The answer in the attached figure

Step-by-step explanation:

we have

$y=4x+2$

The graph of this equation is a straight line

The domain is all real numbers

The range is all real numbers

Step 1

Find the value of y for $x=-2$

Substitute the value of x in the equation and solve for y

$y=4(-2)+2$

$y=-8+2$

$y=-6$

The ordered pair is the point $(-2,-6)$

Step 2

Find the value of y for $x=1$

Substitute the value of x in the equation and solve for y

$y=4(1)+2$

$y=4+2$

$y=6$

The ordered pair is the point $(1,6)$

Step 3

Find the value of y for $x=2$

Substitute the value of x in the equation and solve for y

$y=4(2)+2$

$y=8+2$

$y=10$

The ordered pair is the point $(2,10)$

Step 4

Plot the ordered pairs

$(-2,-6)$

$(1,6)$

$(2,10)$

see the attached figures

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3 years ago

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