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butalik [34]
3 years ago
7

I = Prt

Mathematics
1 answer:
Olegator [25]3 years ago
6 0

Answer:

r=3.5\%

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=5\ years\\ P=\$1,200\\ I=\$210\\r=?

substitute in the formula above

210=1,200(5r)

solve for r

r=210/6,000

r=0.035

convert to percentage (multiply by 100)

r=3.5\%

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10/6=15/x solve for x
Basile [38]
I believe that x=9. I used cross multiplication. First, I multiplied 6 by 15. Second, I divided this product of 90 by 10. The quotient is 9.
8 0
3 years ago
A town's yearly snowfall in inches over a 10-year period is recorded in this table. What is the mean of the snowfall amounts?
lawyer [7]
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4 0
3 years ago
1. 15 is what percent of 40?<br> 2. 15 is 30% of what number?<br> 3. What number is 120% of 70?
Elis [28]
<span>1. 15 is what percent of 40?
   15 * 100 / 40 = 37.5
answer is </span><span>15 is 37.5% of 40
</span><span>
2. 15 is 30% of what number?
 15 / 0.3 = 50
answer : </span>15 is 30% of 50<span>

3. What number is 120% of 70?
120% = 1.2
1.2 + 1 = 2.2

2.2 * 70 = 154
answer: 154</span> is 120% of 70?<span>


</span>
5 0
2 years ago
Twenty eight slips of paper are numbered 1 through 28 and are distributed among a group of people. A random number generator is
Inessa05 [86]

Answer:

Option C is the correct answer.

Step-by-step explanation:

Since a random number generator is used to select a single number between 1 and 28, inclusively;

For a fair decision to be made during the process, the number of persons in the set must be a divisor of 28.

Let's list the divisors of 28:

The divisors of 28 are {1, 2, 4, 7, 14, 28}

The only option that contains one of the divisors is option C which is 7.

5 0
3 years ago
Plz help accidentally checked it in
serious [3.7K]

Answer:

100

Step-by-step explanation:

sqrt[y] = 10

Apply both side a ^2

then

y = 100

Best regards

3 0
3 years ago
Read 2 more answers
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