Question

Which property justifies this statement?

"If 2a + 3 = b and b = 7, then 2a + 3 = 7."

A.
associative

B.
distributive

C.
symmetric

D.
transitive

Answer 1

Do you have a guess?

Answer 2

@SolomonZelman

Answer 3

Hello? Any 1?

Answer 4

Do you have a guess?

Answer 5

Transitive

Answer 6

That would be correct.

Answer 7

:) Can you help me with more?

Answer 8

Maybe, just give me them first and we will see. :)

Answer 9

Translate the word phrase into a math expression.

ten less than four times a number

A.
10 – 4n

B.
4n – 10

C.
4(n – 10)

D.
10 < 4n

Answer 10

I think it is B

Answer 11

Correct again. :)

Answer 12

:) I got 5 more

Answer 13

Two opposite sides of a square are increased by 5 cm to form a rectangle.

If the rectangle has a perimeter of 70 cm, what was the length of a side of the original square?

A.
25 cm

B.
10 cm

C.
15 cm

D.
20 cm

Answer 14

Guess?

Answer 15

Um... 15

Answer 16

Mhm

Answer 17

The rectangular floor of a storage building had a length of 25 yards and a perimeter of 90 yards. A construction crew knocked out one wall and extended the length of the floor by 10 yards.

What was the area of the new floor?

A.
700 yd2

B.
750 yd2

C.
500 yd2

D.
1400 yd2

Answer 18

I think it is 700. @Moofish

Answer 19

Yep

Answer 20

Are you just saying Yep or do you actually know these?

Answer 21

This is A SEMESTER TEST I only have 1 chance

Answer 22

I know them, don't worry. You just have to figure it out first before I can just give you the answer.

Answer 23

Jillian has a container with a capacity of 3.5 liters.

How many milliliters would the container hold?

mL

Answer 24

Do you know how to solve it?

Answer 25

3500 mL yes?

Answer 26

Yes. You don't even need my help, you're doing fantastic. :)

Answer 27

STAY HERE!

Answer 28

Which phrase correctly orders –6, 5, –17, and 1?

A.
–6 < –17 < 1 < 5

B.
–17 < 1 < –6 < 5

C.
–17 < –6 < 1 < 5

D.
–17 < –6 < 5 < 1

Answer 29

Answer?

Answer 30

–17 < –6 < 5 < 1

Answer 31

Nope, pay close attention, I think you misread a number.

Answer 32

-17 < -6 < 5 < 1

Answer 33

-17 < -6 < 1 < 5

Answer 34

Still incorrect, read it again and look closely at every number.

Answer 35

There you go, that last one is correct. :)
Sorry, I have to refresh my page after every post.

Answer 36

It's okay

Answer 37

Evaluate.

–228 + 384 + (–189)

Answer 38

-33

Answer 39

Correct.

Answer 40

:) One more

Answer 41

What is the least common multiple of 70 and 30?

Answer 42

210

Answer 43

There you go. :)

Answer 44

stay here for a minute plz

Answer 45

OMG

Answer 46

I DIDN"T MASTER IT

Answer 47

How man question was there? How many did you get wrong?

Answer 48

your in k12 right i remember doing this in 7th grade.
1. a
2.d
3.c
4a
5.i think d not sure tho

Answer 49

2 is definitely not D.