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3 years ago

What is an expression involving division that is equivalent to the expression below? 2/9 x 3/4

Mathematics

1 answer:

Ierofanga [76]3 years ago

5 0

Answer:

2/9 ÷ 4/3

Step-by-step explanation:

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A circle has a radius of 5 in. A central angle that measures 150° cuts off an arc.

Slav-nsk [51]

Answer:

Part 1) The exact value of the arc length is $\frac{25}{6}\pi \ in$

Part 2) The approximate value of the arc length is $13.1\ in$

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference of a circle is equal to

$C=2\pi r$

we have

$r=5\ in$

substitute

$C=2\pi (5)$

$C=10\pi\ in$

step 2

Find the exact value of the arc length by a central angle of 150 degrees

Remember that the circumference of a circle subtends a central angle of 360 degrees

by proportion

$\frac{10\pi}{360} =\frac{x}{150}\\ \\x=10\pi *150/360\\ \\x=\frac{25}{6}\pi \ in$

step 3

Find the approximate value of the arc length

To find the approximate value, assume

$\pi =3.14$

substitute

$\frac{25}{6}(3.14)=13.1\ in$

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3 years ago

What two numbers add to get 4 and multiply to get -4

SIZIF [17.4K]

-2 and -2 Two negatives added equal a positive.............. . . .. . . . . . .

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2 years ago

Write the equation of a line that goes through the points (-7,9) and (-4,3).

solong [7]

Answer:

y= -2x - 5

Step-by-step explanation:

You have use to slope intercept and formula to get the answer.

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2 years ago

I need help on this 4

Virty [35]

Answer:

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2 years ago

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F(x)=3x-7 find the value of c so that f(c) =20 is true

Andreas93 [3]

Answer:

c = 9

Explanation:

given: f(x)=3x-7

if f(c) =20

To solve this replace x with c and then y is 20.

Solve:

3c - 7 = 20

3c = 27

c = 27 ÷ 3

c = 9

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1 year ago

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