If the radius of the cone is doubled will its surface area be doubled?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

If the radius of a circle is doubled, the area of the circle will be quadrupled and the circumference will also be doubled. This makes sense because the area of a circle is directly proportional to the square of the radius of the circle (if the radius of a circle is increased x times, its area will be increased to x^2 times the original area), whereas the circumference is proportional to the size of the radius (if the radius of a circle is increased x times, its circumference will increase x times).

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Find the sum of 130 cm. And 50 mm.in meters

C=3.14d solve for d

Answers

you would divide both sides by 3.14, to get d by itself. so c/3.14=d

$3.14d=c\ \ \ \ |divide\ both\ sides\ by\ 3.14\n\nd=(c)/(3.14)\n\nd=(100c)/(314)\n\nd=(50c)/(157)$

Merritt is driving to Mount Shasta. On her map, she is a distance of 7 3/4 inches away. The scale of the map is 1/2 inch = 50 miles. How far must Merritt travel to reach her destination

Answers

Answer:

775 miles

Step-by-step explanation:

Merritt is driving to Mount Shasta.

On her map she is a distance of $7(3)/(4)$ inches away.

The scale of the map is 1/2 inch = 50 miles.

Therefore, 1 inch on map = 100 miles.

Her actual distance = $7(3)/(4)$ inches × 100

= $(31)/(4)$ × 100

= $(31)/(1)$ × 25

= 775 miles

Merritt is 775 miles far to reach her destination.

387.5 miles. because, if 1/2=0.50 then let's make that 0.50 into 1.00. and let's divide 7 3/4 by 2 because, you multiplied 0.50 by 2. 7 3/4=3.875 then multiply by 100=387.5

if you have any trouble just ask my in the comments

Determine the area of the coin to the nearest tenth. 19 mm

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is 19 the radius or diameter?
if it is the radius 1133.54
is it is the diameter 283.385

Answer:

37.7

Step-by-step explanation:

Is 4/6 bigger than 2/3

Answers

If you would like to know if 4/6 is bigger than 2/3, you can calculate this using the following steps:

4/6 = 4/2 / 6/2 = 2/3 (divide both numbers by 2)

We can see that 4/6 is actually equal to 2/3.

4/6 and 2/3 are equal. 4/6 = 2(2)/2(3) = 2/3.

Explain how you can tell 2pi > Srt of 35 without finding the decimal number estimate of either number.

Answers

Answer:

Step-by-step explanation:

it should be clear 2pi > 6.

Also, sqrt(35) < 6 because 6x6=36.

So, 2pi > 6 > sqrt(35)

Thus 2pi > sqrt(35)

For a school fund raising project, Aiden and Jacob collected money in the ratio of 3.5 : 6.8. Jacob collected $115.50 more than Aiden. Find the total amount of money they collected.

Answers

x - the amount of money collected by Aiden
y - the amount of money collected by Jacob

Aiden and Jacob collected money in the ratio of 3.5 : 6.8.
$(x)/(y)=(3.5)/(6.8) \n6.8x=3.5y \nx=(3.5)/(6.8)y \n x=(35)/(68)y$

Jacob collected $115.50 more than Aiden.
$x+115.5=y \nx=y-115.5 \n \nx=x \n(35)/(68)y=y-115.5 \n(35)/(68)y-y=-115.5 \n(35)/(68)y-(68)/(68)y=-115.5 \n-(33)/(68)y=-115.5 \ny=-115.5 * (-(68)/(33)) \ny=238 \n \nx=y-115.5=238-115.5=122.5 \n \nx+y=238+122.5=360.5$

The total amount of money they collected is $360.50.

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The relationship between women’s whole-number shoe sizes and foot length forms an arithmetic sequence, where an is the foot length in inches that corresponds to a shoe size of n. A women’s size 3 fits a foot 8 inches long and women’s size 7 fits a foot 91 3 inches long. What is the common difference of the arithmetic sequence?