To find the area of a circle with a diameter of 18.
What formula will you use?
Ο Α = πd
Ο Α = ΠΥ
Ο Α = πd2
Ο Α = πη2
Help plss

Answers

Answer 1

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Actually Welcome to the Concept of the areas.

Since we know that, radius = diameter /2

here, => d = 2r ,

hence we use the formula as,

A = πr^2 ,

here option d.) is correct.


Related Questions

Use the Distributive Property to write 2(-5+3) as an equivalent expression.
What is the value of the expression?

A. 2(8); 16
B. 2(-5) + 2(3); -4
C. 2(-5) + 3; 13
D. (5 + 3)2; 16

Answers

the correct answer is B: -4

mid-point of (-2,-4) and (4,6)?​

Answers

          (1,1)

Hope that helps :)

(9+6) x 8^2 + (6+5)

solve with PEMDAS quick!​

Answers

Answer:

971

Step-by-step explanation:

use the pemdas method

Can someone give me the answer??? If you think u know the answer or ur guessing don’t answer it I need the right answer. Thank you

Answers

I think it’s the 3rd one

What is the surface area of the sphere below? 11.3 A. 324 units2 324 units2 C. 36 units2 D. Cannot be determined​

Answers

Answer:

A=4πr2

Step-by-step explanation:

The correct answer is A

Solve for t.

-18.18 = 6t

Question 1 options:

t= -24.18


t= -3.03


t= 3.03


t= -13.18

Answers

Answer:

-3.03

Step-by-step explanation:

divide -18.18 by 6

Answer:

t= -3.03

Step-by-step explanation:

In order to solve for t, we need to isolate it. We would do this by dividing both sides by 6:

[tex]t= -18.18/6[/tex]

Therefore t= -3.03

Pleaseeee I needddd major help

Answers

Answer:-2/5

Step-by-step explanation:

You need to drop 2 run 1 to the right

find the value of 9x+4y when x=4 and y=-3

Answers

Answer:

you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24

A right triangle has an angle that measures 56 and the adjacent side measure 17. What is the length of the hypotenuse to the nearest tenth?

explanation needed pls <3

Answers

Answer:

IM DOING STUFF LIKE THAT

Step-by-step explanation:

Simplify the expression 8h +(-7.7d) - 13+5d - 3.1h.

Answers

Answer:

4.9h−2.7d−13

Step-by-step explanation:

i wanted to know the answer to this question so bad but i didnt let me ..so can somebody help me and i will give you the brainlist

Answers

Answer:

B.

Step-by-step explanation:

who can help me on edge 24/7?? ill give user and pass. must be reliable

Answers

Answer:

not me srry

Step-by-step explanation:

WHY DOESN'T ANYBODY HELP ME!!!!! PLEASE ANSWER, and YOU WILL GET YOUR BRAINLIEST!!!
(Sat Prep) Find the value of x)

Answers

Answer:

1. x = 120°

2. x = 115°

Step-by-step explanation:

For the first question, you can see that the two lines are parallel. This means you can use any of the alternate interior angles, alternate exterior angles, corresponding angles, consecutive interior angles, and consecutive exterior angles.

You can see that the transversal cutting the two parallel lines make a 40° angle, and through alternate interior angles, the angle next to x is also 40°.

Because a straight line is 180°, the three angles that make up the straight line will add up to 180°. So:

x + 20° + 40° = 180°

x + 60° = 180°

x = 120°

For the second question, extend the line (the left one marked with 1 arrow) to make a smaller triangle attached to the parallelogram.

Because this is a parallelogram, opposite angles are congruent. So the opposite angle of x is also x.

Straight lines are 180°, so 180 - x will be what the angle measure is. If this is too confusing, refer to the image below.

Those two angles, 50° and (180 - x)°, will add up to be the exterior angle, which is also x.

So:

50 + 180 - x = x

230 = 2x

115 = x

x = 115

During a scuba dive, Lainey descended to a point 15 feet below the ocean surface. She continued her
descent at a rate of 15 feet per minute. Enter an inequality you could solve to find the number of minutes
she can continue to descend if she does not want to reach a point more than 75 feet below the ocean
surface. Use t to represent the variable for the minutes Lainey can continue to descend.

Pls help ASAP

Answers

Answer:she can descend five minutes so that should help

Step-by-step explanation:

Answer:(

(15*5)/ whatever sorry it would take 5 minutes t=5

Step-by-step explanation:

she is at 15 feet (1 minute below)  if she kept going 15 feet per minute she would have to go 3 more minutes and it would be 60 feet down (4 minutes) sorry i didnt read the question right so 75 feet down (5 minutes)  is maximum.

help due in a few minutes​

Answers

Answer:

x = 15

Step-by-step explanation:

All angles add up to 180

so,

2x + 4x + 10 + 6x - 10 = 180

combine like terms

12x = 180

divide by 12

x = 15

check it by plugging it in

2x = 2(15) = 30

4x + 10 = 4(15) + 10 = 70

6x - 10 = 6(15) - 10 = 80

30 + 70 + 80 = 180

Pls answer..............

Answers

Answer:

b is correct

Step-by-step explanation:

B is the right answer I think!

Elizabeth earned 3 times as much as Rebeca selling Girl Scout cookies. If Elizabeth earned $426, how much did Rebeca earn?

Answers

Answer:

$142

Step-by-step explanation:

E = 426

E=3R

426 = 3R

R = 142

A module house is made by sticking a triangular prism on top of a rectangular block, as shown in the diagram.

Answers

Answer:

d

Step-by-step explanation:

The volume of the triangular prism.

= Base area x length of the prism

The volume of the rectangular block.

= Length x width x height

The volume of the model house is 1260 cubic feet.

Option A is the correct answer.

What is a rectangle?

A rectangle is a two-dimensional shape where the length and width are different.

The area of a rectangle is given as:

Area = Length x width

We have,

Module house:

Triangular prism on top and a rectangular block.

The volume of the triangular prism.

= Base area x length of the prism

= (1/2 x 12 x 4) x 15

= 24 x 15

= 360 cubic feet

The volume of the rectangular block.

= Length x width x height

= 12 x 15 x 5

= 900 cubic feet

The volume of the block house.

= Volume of the triangular prism + Volume of the rectangular block

= 360 + 900

= 1260 cubic feet

Thus,

The volume of the model house is 1260 cubic feet.

Option A is the correct answer.

Learn more about rectangles here:

https://brainly.com/question/15019502

#SPJ2

By visual inspection, determine the best-fitting regression model for the scatter plot.
A. no pattern
B. linear
C. quadratic
D. exponential​

PLZ HELP MEEE

Answers

Answer:

Linear

Step-by-step explanation:

Answer:

Linear

Explanation: it makes a line

Factorise fully 28y2 – 24y

Answers

Answer:

4y(7y - 6)

Step-by-step explanation:

Use the x-values: 1, 2, 3, and 4 to write solutions of the equation y = 14x + 8 as ordered pairs.

Answers

The answer is C. Your X value is always first (x,y) so if your X values are 1,2,3,4 you just plug those in for X in your equation. Example:
Y=14(1)+8
Y=14+8
Y=22

A yard is equal in length to three feet. The function f(x) takes a measurement in yards (as input) and returns a measurement in feet (as output).What number will the function return if the input is 15.4?

Answers

Answer:

it should be 4.5

Step-by-step explanation:

Answer:

0.428 yd

Step-by-step explanation:

x/1 = 15.4/3

36x = 15.4

x=0.428 yd

Hunter needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for 2.5 hours and charged him $155 for parts. The total was $417.50. Write and solve an equation which can be used to determine xx, the cost of the labor per hour

Answers

Answer:

Labor costs $205 per hour.

Step-by-step explanation:

1. Subtract the cost for parts.

$417.50 - $155 = $262.5

2. Divide the labor cost by the number of hours (2.5)

$262.5 / 2.5 = 105

Answer:105

Step-by-step explanation:

Just becuase

Here are the first four terms of a sequence.
5 9 13 17
Write an expression for the nth term of this sequence.​

Answers

Answer:

4n + 1

Step-by-step explanation: The numbers are rising by 4, so this gives us 4n. Term number 1: 4n = 4, but the first number in the sequence is 5 so we have to add 1.

Term number 2: 4n = 8, but the second number in the sequence is 9 so, again, we have to add 1.

Help me plz
I NEED HELP WITH THIS

Answers

Answer:

7 is about 6 because it says to round to the nearest whole number

Step-by-step explanation:

8 is about 3 because it say to round to the nearest whole number

Which of the following is NOT equivalent to 78 ÷ 6? (72 + 6) ÷ 6 (72 ÷ 6) + (6 ÷ 6) (60 ÷ 6) + (18 ÷ 6) (72 ÷ 6) + 6

Answers

Answer:

(72 divided by 6) + 6

Step-by-step explanation:

78 divided by 6 is 13. The question (72 divided by 6) + 6 does not equal to 13, it equals to 14, therefore (72 divided by 6) + 6 is not equivalent.

Answer:

(72 divided by 6) + 6

Step-by-step explanation:

Which number line would be needed to create a dot plot for the data on the number of siblings?

1.) a number line from 0 to 5
2.) a number line from 1 to 5
3.) a number line from 0 to 7
4.) a number line from 1 to 7

Answers

Line 3. 0 being the least number of sibling a person would have, and 7 being the greatest.

Answer:

1.

0 to 5

Step-by-step explanation:

Tully’s buys t-shirts for 15$ each. They sell the t-shirt for 35$ each. What is the percent make up.

Answers

Answer: 52%

Step-by-step explanation:

PLEASE HELPP!! it’s due in an hour!!

Answers

Answer:

12x I think

Step-by-step explanation:

this is very confusing.

2x² + 2x - 4 = 2x ( x + 1 - 2 )

4x + 2x - 4

8x-4

4x = 2x ( x + 1 - 2)

8x + 2 - 2

8x + 4x

= 12x. I think 12x is the correct factor.

Marcus jumped “x” feet.
Bridget jumped 2/3 more than the amount of what Marcus jumped.

Write an expression for the number of feet Bridget jumped.

pls I have 2 mins

Answers

Bridget would be: 2/3x
Bridget is x + 2/3x = 1 2/3x
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