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Jlenok [28]
3 years ago
9

What is -2y + 10 + 2y - 8 simplified

Mathematics
2 answers:
Andru [333]3 years ago
8 0

Answer:

2

Step-by-step explanation:

-2y + 2y = 0

10 - 8 = 2

Naya [18.7K]3 years ago
5 0

Answer:

Step-by-step explanation:

Add the variables that go together (-2y+2y=0) these cancel each other out. Now add the remaining numbers 10-8=2. Answer=2

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I've already saved $68 for the $200 video game system. How many hours does raj need to work to earn the remainder of the money h
gladu [14]

Total amount needed for the video game = $200

Total amount of money saved = $68

Amount of money that is needed to be saved = 200-68  =132

So raj needs to work additional hours in order to earn the remaineder$132 for the video game

Hourly wage = $5.5

So, number of hours that Raj needs to work to earn $132 = $132/5.5 = 24 hours

Number of hours that Raj needs to work to earn the remainder of the money  = 24 hours


6 0
2 years ago
Show how the perfect numbers 6 and 28 were generated. Show the aliquot parts of 6 and 28
Mashutka [201]

Step-by-step explanation:

Perfect number is the positive integer which is equal to sum of proper divisors of the number.

Aliquot part is also called as proper divisor which means any divisor of the number which isn't equal to number itself.

<u>Number : 6 </u>

Perfect divisors / Aliquot part = 1, 2, 3

Sum of the divisors = 1 + 2 + 3 = 6

Thus, 6 is a perfect number.

<u>Number : 28</u>

Perfect divisors / Aliquot part = 1, 2, 4, 7, 14

Sum of the divisors = 1 + 2 + 4 + 7 + 14 = 28

Thus, 28 is a perfect number.

3 0
3 years ago
MP.4 Model with Math Cecilia bought 2 sandwiches last week and 4 sandwiches
ANTONII [103]

Answer:

$7

Step-by-step explanation:

4 + 2 = 6

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7 0
3 years ago
Answer this question pls!!
Dvinal [7]

Answer:

3.5

Step-by-step explanation:

5 0
3 years ago
Kenzie finds purple, blue, and silver space rocks while exploring, 2/3 of the rocks are purple and 3/4 of the remainder are blue
Nadya [2.5K]

Answer:

There were 36 space rocks in total.

Step-by-step explanation:

First, you need to find what fraction of the original rocks are silver.

If 2/3 are purple, then 1/3 of them are not.

If 3/4 of the remaining 1/3 are blue, then 3/4 x 1/3 = 3/12 rocks are blue.

2/3 of the rock are purple, 3/12 of them are blue, and the remaining is silver.

So, you need to do 2/3 - 3/12, then find common denominators so, 8/12 - 3/12 which = 1/12.

This means 1/12 of the rocks are silver. If there are silver rocks, you need to find a suitable equation that needs to be solved.

So:

1/12r = 3

r = 36 silver rocks

There were 36 space rocks in total.

hope this helps :)

3 0
3 years ago
Read 2 more answers
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