1 year ago

I need help ASAP. Find the length of arc FD if the radius is 94 and m

Mathematics

1 answer:

Black_prince [1.1K]1 year ago

3 0

Answer:

$Arc \ length = 2\pi r \frac{\theta}{360} =$ 172.3m

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6 times a number is 27 less than the square of that number. Find the positive solution.

Verdich [7]

Let x = your number.

6x = x^2 - 27. Subtract 6x from each side.

0 = x^2 - 6x - 27. Factor

0 = (x-9) (x+3). Set each term equal to zero

(x+3) = 0. Subtract 3 from each side.

x = -3. This is the negative solution.

(x-9) = 0. Add 9 to each side.

x = 9. This is the positive solution.

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barxatty [35]

This ratio in fraction form is 10/9

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Liula [17]

Answer: 2

Step-by-step explanation:

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Annette [7]

Answer: C) (1,0.80) represents the unit rate. E) (25,20) represents the price of a necklace with 25 beads

Step-by-step explanation:

(1, 0.80) represents the unit rate.

(25, 20) represents the price of a necklace with 25 beads.

$\frac{y}{x}$ = unit rate → $\frac{4}{5}$ = 0.80; $\frac{12}{15}$ = 0.80; $\frac{16}{20}$ = 0.80

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25(0.80) = 20; thus, (25, 20) represents the price of 25 beads.

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2 years ago

please help me evaluate this. the answer is B but im not sure how to get the answer without using a calculator. please show step

iragen [17]

Answer:

b. 9/100

Step-by-step explanation:

It helps if you have memorized the cubes of small integers. Of course, the ones needed here are ...

3³ = 27

10³ = 1000

The desired value can be simplified to ...

$\left(-\dfrac{1000}{27}\right)^{-2/3}=\left(-\sqrt[3]{\dfrac{3^3}{10^3}}\right)^2=\dfrac{(-3)^2}{10^2}=\dfrac{9}{100}$

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2 years ago