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bulgar [2K]
3 years ago
6

QUIZ

Mathematics
2 answers:
marta [7]3 years ago
5 0

Answer:

B (5/8 - 6/8)

Step-by-step explanation:

Since we can just multiply the second fraction by two to get a similar denominator, we just need to multiply the second fraction.

Butoxors [25]3 years ago
3 0

Answer:

5/8 - 6/8 (the second one)

Step-by-step explanation:

If you look at the denominators with the goal of making them the same, you can see that 8 is a multiple of 4, meaning your job is easier than it could be. Multiply both the top and the bottom of -3/4 by 2 to make the bottom 8. You should get -6/8 while your 5/8 remains unchanged, meaning your final expression in 5/8 - 6/8.

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Megan made a paper chain that was 4m long. Mason’s chain was 479 cm long. Who’s was the longest? By how much?
Mekhanik [1.2K]

Answer:

Look below

Step-by-step explanation:

Let's start by converting 4 m into cm:

4m * \frac{10^{2}cm}{1m}= 4*10^{2}cm=400cm

Since Megan's chain is only 400 cm long, Mason's chain is longer by 79 cm.

8 0
2 years ago
Read 2 more answers
Solve for n <br> 3n-2=2n<br> N=
krek1111 [17]

Answer:

Hey there!

3n-2=2n

n-2=0

n=2

Let me know if this helps :)

7 0
3 years ago
Read 2 more answers
(3 2/3 + 17 1/5) - ( 11 3/5 + 2 1/3) =
Ipatiy [6.2K]

Answer:

6 14/15

Step-by-step explanation:

I would say simplifie the paratensies.

First:

3 2/3+ 17 1/5 =

Common factor of 3 and 5 is 15

3 10/15 + 17 3/15 = 20 13/15

Second:

11 3/5 + 2 1/3 =

Common factor of 3 and 5 is 15

11 9/15 + 2 5/15 = 13 14/15

20 13/15 - 13 14/15 = 7 13/15 - 14/15 = 7 - 1/15 = 6 14/15

4 0
3 years ago
Read 2 more answers
I have no clue<br><br> Question 7
Fed [463]

Answer: 27a^{-6}b^{3}

Step-by-step explanation:

you can isolate the separate terms so you get

3^3 x a^(-2x3) x b^3 = 27 a^-6b^3

5 0
3 years ago
The gas tank of Wendy’s car was 23 full. She used 16 of a tank of gas when driving to and from work. Which equation shows how fu
liberstina [14]

Answer:

The 3rd choice: 2/3 tank - 1/6 tank = 1/2 tank

Step-by-step explanation:

I assume those numbers are fractions.

The gas tank of Wendy’s car was 2/3 full. She used 1/6 of a tank of gas when driving to and from work. Which equation shows how full the gas tank is now?

We subtract 1/6 from 2/3. We need to use the common denominator 6.

2/3 - 1/6 = 4/6 - 1/6 = 3/6

Now we reduce 3/6.

2/3 - 1/6 = 1/2

Answer: 2/3 tank - 1/6 tank = 1/2 tank

7 0
3 years ago
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