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UNO [17]
4 years ago
11

Best describes the expression 7(y+5)?

Mathematics
1 answer:
stiv31 [10]4 years ago
6 0

Answer:

Step-by-step explanation:

Photo math app

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You have 55,000 in your savings account that pays 2.5% annual interest and the inflation rate is 3.4%. How much buying power wil
diamong [38]
We solve the question as follows:
Simple interest=Principle×Rate×Time
Thus given:
p=$55000, R=2.5%, time= 1 year
thus
Interest=55000×0.025×1=$1375

To evaluate the amount required to keep up with the inflation, your interest rate should match the inflation rate otherwise prices are going up faster than the savings.
Required interest rate=55000×0.034×1=$1870

The buying power lost will be the difference between your required interest and actual interest.

Thus:
Buying power lost=1870-1375=$495

8 0
3 years ago
781 books second = books minute
hram777 [196]
34,860


You take 781 books a second and multiply that by 60 since there’s 60 seconds in a minute
8 0
2 years ago
What is the measurement of
pogonyaev
Answer: x=23 degrees
Step by step: 90-67=23
5 0
4 years ago
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just olya [345]
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6 0
3 years ago
In a given course a student receives preliminary examination grades of 81, 85, and 95. The final examination is weighed for one-
Vsevolod [243]

Answer:

B. 96

Step-by-step explanation:

Let x represent score of final third exam.

We have been given that in a given course a student receives preliminary examination grades of 81, 85, and 95.

Let us find average of preliminary scores.

\frac{81+85+95}{3}=\frac{261}{3}=87

We have been given that the final examination is weighed for one-third and the average of the preliminary grades is weighed as 2/3 of the final grade. This means that final grade is equally weighed into 3 parts. The two parts are 87 each and third part is x.

Using our given information, we can set an equation as:

\frac{87+87+x}{3}=90

\frac{174+x}{3}=90

\frac{174+x}{3}*3=90*3

174+x=270

174-174+x=270-174

x=96

Therefore, the final examination grade should be 96 for a semester average of 90.

4 0
3 years ago
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