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GaryK [48]
3 years ago
5

100p and brainliest for an answer please

Mathematics
1 answer:
koban [17]3 years ago
6 0
Answer is the first, second and the fourth one.. replace a number with variable, two operation are multiplication and addition, then the expression is written as 4n+7...
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PLEASE HELP! IN DESPERATE NEED! Please SHOW YOUR WORK! Thx so much! :)
spayn [35]
1.

92+\frac{56}{14-x}=100\\\\\frac{56}{14-x}=8\\\\(\frac{56}{14-x})*(14-x)=8*(14-x)\\\\56=(8*14)+[8*(-x)]\\\\56=112-8x\\\\-56=-8x\\\\\\x=7


2.

\frac{410-x}{7}+70=120\\\\\frac{410-x}{7}=50\\\\(\frac{410-x}{7})*7=50*7\\\\410-x=350\\\\-x=-60\\\\\\x=60
4 0
3 years ago
I need help with this one
andrew11 [14]

Answer:

--------------------------------------------------

Step-by-step explanation:

60+x-45+x=180

60-45+2x=180

15+2x=180

2x=180-15

2x=165

x=165/2

x=82.5

3 0
4 years ago
Read 2 more answers
A microwave was bought for 15,000 and sold for 14,000.What is the percentage loss?
lbvjy [14]

Answer:

~6.7%

Step-by-step explanation:

A microwave was bought for 15,000 and sold for 14,000

=> The loss is 15000 - 14000 = 1000

=> The percentage of loss is 1000/15000= 0.066 = ~6.7% of original price

Hope this helps!

7 0
3 years ago
You get hired for a job through ACME Employment Agency. You signed a contract that requires you to pay 20% of your first 6 weeks
Nostrana [21]
Assuming you get paid every week.
Total num of weeks in a year = 52
Therefore weekly salary = 42,700/52 = 821.15
Salary of first 6 weeks = 821.15 * 6 = 4926.92
20% of first 6 weeks salary = 0.2 * 4926.92 =985.38

You must pay the ACME $985.38
6 0
2 years ago
WILL MARK BRANLIEST
Solnce55 [7]

Answer:

Try 9 x j(2 + 5)

4 0
3 years ago
Read 2 more answers
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