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January 31, 2015

January 31, 2015

Posted by **Delilah** on Wednesday, October 24, 2012 at 9:38pm.

If a number is not a rational number, then it is _____. (1 point)

an integer

an irrational number

a whole number

a radical

2.

A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point)

21

15

8

6

3.

Which number is a perfect cube? (1 point)

7

25

27

66

4.

When adding square root 9 and – 7, which type of number is the sum? (1 point)

irrational

whole number

radical

integer

5.

What is square root 36 over 49? (1 point)

18 over 25

20 over 27

6 over 7

8 over 9

6.

Tomas needs to cut a piece of wood for a model airplane he is building. He has four pieces of wood: 5 feet, 4 feet, 6 feet, and 3 feet long. If the length of wood he needs to cut is square root 11 feet long, which piece of wood should he cut to have the least amount of unused wood? (1 point)

3 feet

4 feet

5 feet

6 feet

7.

If the sail of a ship is 10 feet long and has a diagonal length of 26 feet, what is the height of the sail, in feet? (1 point)

29

24

17

8

Can you check my answers please? Thanks.

1. irrational

2. 15

3. 25

4. whole number

5. 6/7

6. 4 feet

7.

- 7th grade math help Ms.Sue please ASAP -
**Ms. Sue**, Wednesday, October 24, 2012 at 9:48pm1. I don't know.

2. Right.

3. Wrong.

4. I don't know.

5. I don't know.

6. Right.

- 7th grade math help Ms.Sue please ASAP -
**Delilah**, Wednesday, October 24, 2012 at 9:54pm3. 27

- 7th grade math help Ms.Sue please ASAP -
**Ms. Sue**, Wednesday, October 24, 2012 at 10:01pmYes. 3. is 27.

- 7th grade math help Ms.Sue please ASAP -
**Delilah**, Wednesday, October 24, 2012 at 10:06pmthx

- 7th grade math help Ms.Sue please ASAP -
**meee**, Wednesday, October 24, 2012 at 10:31pm#1 is right

- 7th grade math help Ms.Sue please ASAP -
**Reiny**, Wednesday, October 24, 2012 at 11:17pm1. irrational

..

4. √9 - 7

= 3-7

= -4 , which is an integer

If you meant √(9-7) = √2 which is irrational

5. According to the choices you must mean

√36/√49 = 6/7

7. x^2 + 10^2 = 26^

x^2 = 676-100

x^2 = 576

x = 24

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