MATHEMATICS HIGH SCHOOL

If the ratio of surface areas of 2 similar figures is 144/25 ; What is the ratio of their volumes?Please explain how to solve this also :)

Answers

Answer 1
Answer:

Answer:

1728/ 125

Step-by-step explanation:

The ratio of corresponding lengths  of the figures = ratio of the square root of their areas.

So ratio of lengths =  12/5.

Now volume is 3 dimensional  so the ratio is the cube  of the lengths

= 12^3/5^3

= 1728/ 125.

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What is 165 as a mixed number

Answers

165 percent is equal to 1 13/20

please leave thanks

At a certain college, the ratio of men to women is 6 to 5. If there are 1,500 men, how many women are there?

Answers

Let 6x represent the men

5x represents the women

The ratio of men to women is 6 to 5 or 6/5


6x / 5x = 1500/ W  where W is the number of women

6/5 = 1500/W

W =  1250 women

Can somebody help me with number four plz

Answers

Step-by-step explanation:

3.

$30.32/8 = $3.79 per gallon

4. (a)

Weight of single gallon = 41.7/5 = 8.34 pounds

(b)

Weight of 70 gallons = 70*8.34 =

583.8 pounds

Can someone help me please ?

Answers

it is the one second from the top. the line is straight (y=-3) until it hits x=-1 then it starts increasing significantly

Susu is solving the quadratic equation 4x2 – 8x – 13 = 0 by completing the square. Her first four steps are shown in the table.In which step did Susu first make an error?

Step 1
Step 2
Step 3
Step 4

Answers

In the question "Susu is solving the quadratic equation 4x2 – 8x – 13 = 0 by completing the square. Her first four steps are shown in the table. In which step did Susu first make an error?" Susu made her first error in step 2, when she factored out 4 she is supposed to divide 8x by 4. Thus the correct expression for step 2 should be 4(x^2 - 2x) = 13 To complete the solution for the equation: 4(x^2 - 2x + 1) = 13 + 4(1) 4(x - 1)^2 = 13 + 4 4(x - 1)^2 = 17 (x - 1)^2 = 17/4 x - 1 = +/- sqrt(17/4) x = 1 +/- sqrt(17) / 2

Answer:B

Step-by-step explanation:

Solve the equations.
6b–(3–4b)=–8

Answers

Answer:

b = -1/2

Step-by-step explanation:

6b - (3 - 4b) = -8

Distribute the negative sign on the left side. It is as if -1 is written there. Be careful with the negative sign. It changes all signs inside the parentheses.

6b - 3 + 4b = -8

Combine like terms on the left side.

10b - 3 = -8

Add 3 to both sides.

10b = -5

Divide both sides by 10.

b = -5/10

Reduce the fraction.

b = -1/2
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