3 years ago

If r=1 and 0=7pi/6, what is the approximate arc length?

Mathematics

1 answer:

erik [133]3 years ago

4 0

Answer:

3.665

Step-by-step explanation:

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Lowest denominator 1/15 9/5 3/8

Stels [109]

LCD(115, 95, 38) = LCM(15, 5, 8) = 23×3×5 = 120
115 = 812095 = 21612038 = 45120

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3 years ago

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When a number is decreased by 79% the result is 13 what is the original number to the nearest tenth

ASHA 777 [7]

Answer:

The number is 61.9

Step-by-step explanation:

Let

x ----> the original number

Remember that

$100\%-79\%=21\%=\frac{21}{100}$

we know that

The original number multiplied by the fraction 21/100 must be equal to the number 13

The linear equation that model this situation is

$\frac{21}{100}x=13$

solve for x

Multiply by 100 both sides

$21x=1,300$

Divide by 21 both sides

$x=\frac{1,300}{21}=61.9$

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4 years ago

Y = 6x − 11 −2x − 3y = −7 *

Deffense [45]

6x - 11 - 2x = -7
4x - 11 - = -7
4x = 11
X= 2
12- 11 -4 -3y = -7
-3 -3y = -7
-3y = -4
Y = -1

It should be 2,-1

5 0

3 years ago

Need help asap I don't know any of this

Romashka [77]

Answer:

neither do i sorry but ill get someone

Step-by-step explanation:

8 0

3 years ago

What is the solution?

elena-s [515]

D- -8 and F- 8 Because 8x8=64

4 0

3 years ago

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