MATHEMATICS HIGH SCHOOL

The radius of a circle is 6 yards. What is the circle's circumference? Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

Answers

Answer 1
Answer:

Answer:

C = 37.68 yards.

Step-by-step explanation:

To find the circumference of a circle, you can use the formula C=2πr, where C is the circumference, π is a constant that is approximately equal to 3.14, and r is the radius. Plugging in the given value of r=6 yards, we get:

C=2×3.14×6

C=37.68

Rounding to the nearest hundredth, the circumference is 37.68 yards.

I hope my answer helped you! If you need more information or help, comment down below and I will be sure to respond if I am online. Have a wonderful rest of your day!

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Which one of the following fractions is equivalent to 1/2?a. 2/4 b. 2/8 c. 1/4 d. 1/8
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What is 3.1 divided by 10.261

4x + y =1
x + 2y = 9

Answers

Answer:

x=-1 y=5

Step-by-step explanation:

A. 4x+y=1 multiply the equation negative 2

B. x+2y=9

-8x-2y=-2 add this to equation b

x+2y=9

-7x=7 divide both sides by -7

x=-1

now substitute x for -1 in either of the original equations

-4+y=1 add 4 to both sides

y=5

-4+5=1

-1+10=9

A pair of jeans regularly sells for $24.00. They are on sale for 25% off. What is the sale price of the jeans?

Answers

18 dollars. $24.00 * .75 = 18. Or 24 *.25 = 6, 24 - 6 = 18.

Instructions:Select the correct answer from each drop-down menu. ABCDEFGH is a regular octagon. The minimum degree of rotation by which this octagon can map onto itself is °. It will take increments of that degree of clockwise rotation for A′ (the image of A) to coincide with C. NextReset

Answers

Answer:

Remember that regular octagon is a figure with eight sides, where all of them are equal. The image attached shows a regular octagon.

So, if we want to map the octagon on to itself using rotation, we need to rotate 90° clockwise, or make to moves of 45° each, that way the octagon would be as the original one because it has equal sides.

When you rotate the first 45°, you would have like an inclined octagon, so you need to rotate another 45° to get the same octagon as the original.

So, the minimum degree would be 45°, doing it twice.
It would be 45 degrees. Since a an octagon takes 8 turns to go around and there is a total of 360 degrees, you can divide 360 by 8 to get your answer of 45 degrees. For answering questions like this you need to take 360 and divide it be the amount of sides to get the minimum amount of degrees of rotation.

What is 9 times 3/4?

Answers

When multiplying a whole number by a fraction, put the whole number as a fraction over one. 9/1 times 3/4. When multiplying fractions, you multiply straight across. 9(3)=27 and 1(4)=4. The new fraction is 27/4.

Alaina bought a square frame for her desk that has an area of 81 square inches. What is the perimeter of the frame? (answer should be a number only)

Answers

Given:

Area of a square frame = 81 square inches.

To find:

Perimeter of the frame.

Solution:

Let length of each side of the frame = a inches.

Area of square frame is

Area=a^2

81=a^2

Taking square root on both sides,

\pm√(81)=a

\pm 9=a

Side length cannot be negative. So, a=9 inches.

Perimeter of frame is

Perimeter=4a

Perimeter=4(9)

Perimeter=36

Therefore, the perimeter is 36 inches.

Final answer:

The perimeter of the frame is 36 inches.

Explanation:

To find the perimeter of a square, we need to know the length of its sides. Since the area of the frame is given as 81 square inches, we can find the length of one side by taking the square root of the area. The square root of 81 is 9, so each side of the frame measures 9 inches.

Since a square has four equal sides, we can find the perimeter by multiplying the length of one side by 4. Therefore, the perimeter of the frame is 9 inches x 4 = 36 inches.

Learn more about Perimeter here:

brainly.com/question/31695951

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I do not know which formula to useCarla bought a dress at a sale for 20% off the original price. The sale price of the dress was $68.90. Find the original price of the drees, in dollars.


Step by step explanation please.

Answers

Answer:

I think it's the second formula.

Step-by-step explanation:

Let x be the original price.

The discount rate is 20%

Sale Price is $68.90

Discount = 20% of x = 0.2x

Using the formula, Sale Price = Original Price - Discount,

Original Price - Discount is x-0.2x = 0.8x

$68.90 = 0.8x

From here on, just do the equation :) Hope this helps!
Use the 3rd one because it has fewer steps and will give you the answer
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