4. Two cylinders have dimensions in the ratio of 2:3. The smaller cylinder has a surface area of 16 cm.

Mathematics

1 answer:

Zarrin [17]3 years ago

8 0

Answer:

(cross multiply)

2:3

16:X

2X=16×3

2x=48

x=48÷2

x=24

You might be interested in

Write the phrase as an expression.<br><br> The product of number h and 3

alexandr1967 [171]

Answer: 3h

Explanation: Product = Multiplication
Number 1 = ?
Number 2 = 3

8 0

3 years ago

Find the mean:<br>31, 1, 12, 2, 21, 22, 1, 0, 31, 13

Bond [772]

The mean is 13.4 because after I add the numbers in the set, the sum comes out to be 134. There are 10 numbers in the set, so you divide 134 by 10, which is 13.4 (134 <span>÷ 10 = 13.4). That is how you get the mean. It's "mean" to you because you 'gotta do a lot of work to get your final mean. </span>

5 0

3 years ago

The following proof shows an equivalent system of equations created from another system of equations. Fill in the missing reason

Nookie1986 [14]

Answer:

<h2>A.Multiplication Property of Equality</h2>

Step-by-step explanation:

$\left\{\begin{array}{ccc}2x+2y=14\\-x+y=5&\text{\underline{multiply both sides by 2}}\end{array}\right\\\\\boxed{\underline{+\left\{\begin{array}{ccc}2x+2y=14\\-2x+2y=10\end{array}\right}}\qquad\text{add both sides of the equations}\\.\qquad\qquad4y=24\qquad\text{divide both sides by 4}\\.\qquad\qquad y=6\\\\\text{put the value of y to the second equation:}\\\\-x+6=5\qquad\text{subtract 6 from both sides}\\-x=-1\qquad\text{change the signs}\\x=1$