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DochEvi [55]
3 years ago
14

Evaluate the expression?? 9-5x+2=4-5x

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

-7.

Step-by-step explanation:

9-5x+2=4-5x

Bring X terms : -5x + 5x = -9 - 2 + 4

Simplfy: = -9 -2 +4 = -11 + 4

Answer:. = -7.

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rodikova [14]
The initial amount of the money is £11,000 and the interest is 3.9% per year for first 3 years and then 4.5% after that. If Dan invests it for 7 years, that means the interest would be 3 years of 3.9% and 4 years of 4.5%.
The calculation would be:

total money= initial amount * interestrate1 * interest 2
total money= £11000 *(100%+3.9%)^3<span>*(100%+4.5%)^4
</span>total money= £11000 *(103.9%)^3 * (104.5%)^4
total money= £11000 * <span>1.121622319 </span>* 1.1925186
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8 0
3 years ago
39 is what percent of 60?
Fudgin [204]
The answer is 65%
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Hope this helped and pls mark as brainliest!

~ Luna
3 0
3 years ago
Read 2 more answers
I need help on question 8 ....
Romashka-Z-Leto [24]

Answer:

8a - 6b

You have to substitute in you other numbers:

a = 4 and b = 3

Your new equation would be:

8(4) - 6(3)

Now solve:

8 x 4 = 32

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New problem:

32 - 18

= 14

So your answer is 14.

Step-by-step explanation:

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7 0
2 years ago
Golf Federation wants to find out which brand of golf balls are the most popular among men living in the United States between t
Ilia_Sergeevich [38]

Using sampling concepts, it is found that the correct option is given by:

B. The Golf Federation's conclusion was not valid because the sample was biased since the male customers all lived in California.

<h3>What is sampling?</h3>

It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.

In this problem, the objective is to make an estimate about the most popular brand of golf ball from men all over the United States, however, only customers from California were chosen, hence the sample is not representative and option B is correct.

More can be learned about sampling concepts at brainly.com/question/25122507

6 0
2 years ago
Find the perimeter.
serg [7]

Answer:

b) 70 feet

Step-by-step explanation:

let me know if you want an explanation please :)

7 0
3 years ago
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