MATHEMATICS HIGH SCHOOL

What's 17⁄12 as a mixed number? A. 1 5⁄12
B. 1 12⁄7
C. 1 7⁄12
D. 7 1⁄2

Answers

Answer 1
Answer: You need to simplify. 12 goes into 17 once so it is defiantly not D. 17-12=5, so it is A.

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Divide 25kg in in a ratio of 2:3:5

Answers

Add the ratios.. 2+3+5 = 10 

Then divide 25kg by 10 and you will get 2.5 

Multiply your ratio figures by 2.5 so it would be (2.5*2) : (2.5*3) : (2.5*5) 

Making your answer 5 : 7.5 : 12.5

Calculate the volume of the cylinder​

Answers

Answer:

200 m³

Step-by-step explanation:

The volume of cylinder = π · r² · h

We Know

Area of circle = 25 m²

h = 8 m

We take

25 x 8 = 200 m³

So, the volume of the cylinder is 200 m³.

To fit in an existing frame, the length, x, of a piece of glass must be longer than 12 cm but not longer than 12.2 cm. Which inequality can be used to represent the lengths of the glass that will fit in the frame?.

Answers

Inequality that represents the lengths of the glass:
12 cm <  x  ≤ 12.2 cm

Answer:

12<x≤12.2

Step-by-step explanation:

To fit in an existing frame, the length, x, of a piece of glass must be longer than 12 cm but not longer than 12.2 cm.

The length of frame is x cm.

Length of frame must be longer than 12 cm.

Inequality,  x>12

Length of frame not longer than 12.2 cm

In equality, x≤12.2

Now we make compound inequality of question

"Length of frame, x must be longer than 12 cm and not longer than 12.2 cm"

Inequality: 12<x≤12.2

Length of glass fit in the frame, 12<x≤12.2

Hence, The inequality 12<x≤12.2

Need help ill upvoteTriangle ABC ​ is similar to triangle DEF . The length of BC is 21 cm. The length of DE is 10 cm. The length of EF is 14 cm.



What is the length of AB?

Answers

the length of AB would be 15 cm

A 35 -inch long stick is cut into two pieces. If the ratio of their lengths is 2:3, how long is each piece?

Answers

Answer:

14 inches and 21 inches

Step-by-step explanation:

sum the parts of the ratio , 2 + 3 = 5 parts

divide length of stick by 5 to find the value of one part of the ratio

35 inches ÷ 5 = 7 inches ← value of 1 part of the ratio , then

2 parts = 2 × 7 = 14

3 parts = 3 × 7 = 21

the 2 pieces are 14 inches and 21 inches long

Answer:

Step-by-step explanation:

Answer:

14 inches and 21 inches

Step-by-step explanation:

sum the parts of the ratio , 2 + 3 = 5 parts

divide length of stick by 5 to find the value of one part of the ratio

35 inches ÷ 5 = 7 inches ← value of 1 part of the ratio , then

2 parts = 2 × 7 = 14

3 parts = 3 × 7 = 21

the 2 pieces are 14 inches and 21 inches long

You are conducting a study on the health of people who have been exposed to radiation and those who have not been exposed to radiation. Which of these methods of obtaining data should you most likely adopt and why?

Answers

The method of obtaining data that should be used in the current situation is : an experimental study because it involved the pre-existing condition of the subject.
With this, you can compared the data of the pre-existing and existing condition to make a conclusion

hope this helps

It is A) Observational Study
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