Question

Which could be the next step in simplifying this expression?

13 + 19 + 7

A.
20 + 19 (use the commutative property)

B.
32 + 20 (use the distributive property)

C.
13 + 36 (use the associative property)

D.
36 + 13 (use the commutative property)

Answer 1

@Utterly_Confuzzled

Answer 2

I'd say a based upon the properties and the rules followed

Answer 3

?????

Answer 4

@Utterly_Confuzzled i dont understand

Answer 5

Okay, so in this problem, distributive property is completely irrelevant, so you can mark out B.

Associative property is (a+b)+c = a+(b+c), which doesn't happen in the answers. That narrows it down to A or D.

D ends up being wrong because 7+19 is 26, not 36. That leaves A as your answer

Answer 6

so a is my answer

Answer 7

Correct

Answer 8

thx for helping me!

Answer 9

No problem at all!!

Answer 10

Translate the word phrase into a math expression.

three less than the product of six and a number

Answer 11

can you help me in this one too?

Answer 12

A. 3<6n
B. 6/n - 3
C. 6n - 3
D. 3 - 6n

Answer 13

Yes

It would be 6x-3 because that is 3 less than 6 times a number

Answer 14

So C

Answer 15

plz hurry i think i have to go soon

Answer 16

so C

Answer 17

Right

Answer 18

The length of a rectangular field is 4 m longer than its width.

If the perimeter is 56 m, what is the width of the field?

A.
8 m

B.
12 m

C.
14 m

D.
16 m

Answer 19

@Utterly_Confuzzled

Answer 20

56=(2x)+(2x +8)
48=4x
x=12
12+4=16
D

Answer 21

so its D

Answer 22

Yes

Answer 23

Felipe rode 5600 meters on his bike.

How many kilometers did he ride?

A.
5.6 km

B.
560 km

C.
56,000 km

D.
5,600,000 km

Answer 24

1000meters = 1 km

5600/1000=?

Answer 25

5.6

Answer 26

Right!!

Answer 27

Which inequality correctly orders –28,12, –19, and 2?

A.
–28 < 12 < –19 < 2

B.
–28 < –19 < 2 < 12

C.
–19 < –28 < 2 < 12

D.
2 < –19 < –28 < 12

Answer 28

@Utterly_Confuzzled

Answer 29

B

It basically reads (-28) is less and (-19) is less than 2 is less than 12

Answer 30

Solve.

–258 – (–307 ) + (–361)

A.
–926

B.
–312

C.
–204

D.
410

Answer 31

Solve.

–258 – (–307 ) + (–361)

A.
–926

B.
–312

C.
–204

D.
410

Answer 32

@Utterly_Confuzzled

Answer 33

-258 - (-307) + (-361)
-258 + 307 - 361

Can you solve it from there?

Answer 34

is it B?

Answer 35

Yups!

Answer 36

thx a lot! :)

Answer 37

No problem! Anytime!