please help me on this! will give u brainliest tyy.

Answer:

1. 100pi cm

2. 200.96 yd

3. 7

Step-by-step explanation:

1.) diameter = radius multiple by two (D = r × 2)

&

radius = diameter divided by two (r = D ÷ 2)

So

20 ÷ 2 = 10 => A = pi (10)power 2 => A = 100pi

---------------------------------------------------------------------------------------------

2.) 3.14 × (8)power2 =200.96

---------------------------------------------------------------------------------------------

3.) A = 49pi => 49pi = pi(r)power2

[ cross out the pi from both sides]

And your left with

49 = (r)power2

[square root both sides to get rid of the power]

And your left with

7 = r

Answer:

17:26

Step-by-step explanation:

You can't simplify 17 therefore it would be 17:26 ratio.

I hope this helps! Please give me brainllest!

never mind i forfeit

Bro what happened my brainliest is gone

Answer:

i need this for a challenge

Step-by-step explanation:

Answer:

x=6

y=18

Step-by-step explanation:

I just took the assignment in edg ;)

Answer:

12

Step-by-step explanation:

7(6)=30+x

42=30+x

12=x

Answer:

A,C,E

Step-by-step explanation:

Answer:

78 dollars

Step-by-step explanation:

Answer:

[tex]f(x) = \frac{(2x - 1)(3x - 2)}{9x - 4} \\ open \: brackets \\ = \frac{(6 {x}^{2} - 4x - 3x + 2) }{9x - 4} \\ = \frac{6 {x}^{2} - 7x + 2 }{9x - 4} \\ let \: x \: be \: 1 \\ f(1) = \frac{(6 - 7 + 2)}{(9 - 4)} \\ = \frac{1}{5} [/tex]

Answer:

-3 is greater

Step-by-step explanation:

Have a good day :)

Answer:

26 times 3.14=81.64

Step-by-step explanation:

Answer:

b=12

Step-by-step explanation:

Answer:

yes number one yes the second one 2/5

Step-by-step explanation:

Answer: ok little Timmy

Step-by-step explanation:

1 = yes

2 = 10

I dont know I would.ask the teacher

Answer:

The first one

Step-by-step explanation:

answer = 50.2

Answer:

50.2

Step-by-step explanation:

Answer:

m = 35, n = 110

Step-by-step explanation:

Opposite angles are congruent , then

2m = 70 ( divide both sides by 2 )

m = 35

Consecutive angles are supplementary, that is sum to 180° , so

70 + n = 180 ( subtract 70 from both sides )

n = 110

Answer:

3/10 cm²

Step-by-step explanation:

Multiply the two values to find the area.

3/8 · 4/5 = 3/10

Therefore, the area is 3/10 cm².

Answer:

Didn't get it!

write correctly please!

B. A spinner divided into 5 congruent sectors, spun 4 times

Have a good day

The correct answer is “a spinner divided into 5 congruent sectors, spun 4 times”

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true.

Given that, A restaurant owner has found that 80% of her customers return to the restaurant within two weeks. She wants to create a tool that will simulate the habits of her customers and allow her to predict the probability that three of the next four customers to visit her restaurant will return within two weeks.

The correct spinner to use among the 4 should have a probability of winning of 80%, similar to what the owner has found out. So, we must calculate the probability of each spinner.

1. Spun 3 times, and chance of winning is 1 in 5, therefore P = (3) (1/5) = 0.6 = 60%

2. Spun 4 times, and chance of winning is 1 in 5, therefore P = (4) (1/5) = 0.8 = 80%

3. Spun 3 times, and chance of winning is 1 in 2, therefore P = (3) (1/2) = 1.5 = 150%

4. Spun 4 times, and chance of winning is 1 in 2, therefore P = (4) (1/2) = 2 = 200%

We can see that there is only 1 choice that has 80% probability,

Hence, the correct answer is “a spinner divided into 5 congruent sectors, spun 4 times”

For more references on probability, click;

https://brainly.com/question/30034780

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Answer:

slope = -1

Step-by-step explanation:

Use the slope formula [tex]\frac{y_2 - y_1}{x_2-x_1}[/tex] to find the slope. The [tex]x_1[/tex] and [tex]y_1[/tex] represent the x and y values of one point, and the [tex]x_2[/tex] and [tex]y_2[/tex] represent the x and y values of another point. So, we'll use the points given in the question, (-2,6) and (9, -5). Substitute -2 for [tex]x_1[/tex], 6 for [tex]y_1[/tex], 9 for [tex]x_2[/tex], and -5 for [tex]y_2[/tex]. Then, solve:

[tex]\frac{(-5)-(6)}{(9)-(-2)} \\= \frac{-5-6}{9+2} \\= \frac{-11}{11} \\= -1\\[/tex]

Therefore, the slope is -1.

The slope of the line that passes through the points (-2, 6) and (9, -5) is -1.

A slope is also known as the gradient of a line is a number that helps to know both the direction and the steepness of the line.

slope = (y₂-y₁)/(x₂-x₁)

Given the coordinates of the two points on the graph is (-2, 6) and (9, -5). Therefore, the slope of the line that passes through this point is,
Slope = [6 - (-5)] / [-2 - 9]

Slope = (11) / (-11)

Slope = -1

Hence, the slope of the line will be -1.

Learn more about Slope of Line here:

https://brainly.com/question/14511992

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Answer:

Even if a right solid became oblique, the volume would not change, because the cross sectional area and height would remain the same. Therefore, by Cavalieri's principle, the volume is the same as the original solid.

Step-by-step explanation:

sample answer

Answer:

A=AR is the answer

Step-by-step explanation:

Answer:

2 1/6

Step-by-step explanation:

9 3/4÷ 4 1/2

9×4+3/4÷ 4 1/2

36+3/4÷ 4 1/2

39/4÷ 4 1/2

39/4÷4×2+1/2

39/4 ÷ 8+1/2

39/4÷9/2

39/4× 2/9

39×2/ 4×9

78/4×9

78/36

13/6

2 1/6

Answer: B

Step-by-step explanation:

3/5 = 0.6

0.6 x 100 = 60%

Answer:

(-2,0)

Step-by-step explanation:

When finding the x intercept, substitute 0 for Y. -20/10=-2.

I hope this helps

Answer:

The x-intercepts of that is (-2,0).

Answer:

yes

Step-by-step explanation:

Answer:

12.6

Step-by-step explanation:

Given

with reference angle 57°

perpendicular (p) = y

hypotenuse (h) = 15

Now

sin 57° = p / h

0.84 = y / 15

y = 0.84 * 15

y = 12.6

Hope it will help :)

Answer:

it would be 19/15k

Step-by-step explanation:

Answer:

Hi! I think it's 15/8t and 19/15k