Homework Help: 7th gade math Ms. Sue please

Posted by Delilah on Tuesday, December 11, 2012 at 6:31pm.

1.
y minus five over three= 1 (1 point)

–2
8
18
6

2.
6x + 29 = 5 (1 point)

–4
–18
204
–144

3.
Combine like terms:

–21a + 16a (1 point)

–5a
5a
37a
–37a

Simplify the expression.
4.
9a – b – 2a – 10b (1 point)

–7a + 11b
11a + 9b
–11a – 9b
7a – 11b

5.
5(x + 10) + x (1 point)

6x + 15
5x + 15
6x + 50
4x – 50

Solve the equation.
6.
–4n + 7 + 2n = 1 (1 point)

1
3
–3
4

7.
4(y – 4) = 8 (1 point)

–2
2
4
6

9.
Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point)

2.10b + 12.99 = 21.39; 4 bottles
2.10 + 12.99b = 21.39; 4 bottles
2.10c = 21.39 + 12.99; 6 bottles
21.39 – 2.10b = 12.99; 16 bottles

My answers:
1. 8
2. ??????
3. -5a
4. 7a – 11b
5. 6x + 50
6. 3
7. 6
9. 2.10 + 12.99b = 21.39; 4 bottles

7th gade math Ms. Sue please - Ms. Sue, Tuesday, December 11, 2012 at 6:40pm
1. Right

2.
6x + 29 = 5
6x = 5 - 29
6x = -24

3 - 6 are right

I think there's a typo in 9 as none of your answers is correct.
7th gade math Ms. Sue please - Somebody, Tuesday, December 11, 2012 at 8:03pm
You go to conections academy dont you?
7th gade math Ms. Sue please - Ms.Nobody, Tuesday, January 22, 2013 at 5:44pm
Ya, she posts most of her test and quick checks on here, but we went looking for it so meh.
7th gade math Ms. Sue please - Ms.Nobody, Tuesday, January 22, 2013 at 5:48pm
And on 9 there is no typo, its the same as whats on the quiz.

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