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7nadin3 [17]
3 years ago
15

2. Find the simple interest. P=$90300, R=8.7%, T=2

Mathematics
1 answer:
ZanzabumX [31]3 years ago
5 0

Answer:

$15,712.20

Step-by-step explanation:

First you convert the percentage to decimal form out of 100 (which you divide)

8.7%/100 =  0.087

A = P(1 + rt)

A = $90,300(1 + 0.087 * 2)     ( * = multiplication)

I = $106,012.20 - $90,300= $15,712.20

Which you should get $15,712.20

Hope this helps!

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ICE Princess25 [194]

Answer:

You should have $1,463.95

Step-by-step explanation:

The formula for this is A=P(1+r)^x

P being the initial amount, r being the percentage, and x being the time passing.

<u>1. Write out the equation:</u> A=1400(1+0.015)^3

REMEMBER- writing percentages into decimals is moving the decimal point two times to the left--or dividing by 100!

<u>2. Parentheses:</u> 1400(1.015)^3

At this point, you're going to want to do exponents first (PEMDAS). If you're typing this into a calculator it should just give you the answer right away with the full equation.

<u>3. Answer:</u> 1463.95 (rounded to the nearest hundredth).

**I apologize if this is wrong; I haven't done it in a while so I don't know if I did 3 years or 3 months.. lol. That's probably not helping with the confidence level, but good luck!

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6 0
3 years ago
Solve the quadratic equation by factoring. 7K^2-6k+3=3
ivann1987 [24]
Subtract 3 to get:

7k^2-6k=0

Clearly, we can factor out a k to find that:

k(7k-6)=0

If either k or 7k-6 is zero, the whole expression is zero, so our solutions are zero and 6/7.
6 0
4 years ago
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I'm giving brainliest to the most helpful answer. For 50 points:
Alenkinab [10]

Answer:

1) \displaystyle\frac{5}{18}\approx27.78\%

2) \displaystyle\frac{4}{7}\approx57.14\%

3) \displaystyle  \frac{13}{16}=81.25\%

Step-by-step explanation:

We are given a two-way frequency table. Using the table, we will determine the probability for each case.

Question 1)

P(A Student With A Part Time Job Without A Car)

Using the first column, the total number of students that have a part time job is 78+30=108.

Likewise, using the first column, we can see that out of those 108 students, 30 do not have a car.

Hence, the probability that a student with a part time job without a car is:

\displaystyle P=\frac{30}{108}=\frac{5}{18}\approx27.78\%

Question 2)

P(No Car | Does Not Have A Part Time Job)

Remember that the vertical line means conditional probability.

So, we want the probability of a student having no car given that they do not have a part time job.

Using the second column, we can see that the total number of students that do not have a part time job is 18+24=42.

Likewise, using the second column, 24 do not have a car.

Hence, the probability that a student with a part time job without a car is:

\displaystyle P=\frac{24}{42}=\frac{4}{7}\approx57.14\%

Question 3)

P(Part Time Job | Car)

So, we want to probability of a student having a part time job given that they have a car.

Using the first row, the total students that have a car is 78+18=96.

And of those 96 students, 78 have a part time job.

Hence, the probability that a student with a car has a part time job is given by:

\displaystyle P=\frac{78}{96}=\frac{13}{16}=81.25\%

4 0
3 years ago
One number is 2 more than 3 times another. their sum is 22. find the numbers. 8, 14
bija089 [108]
X + y = 22
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3y + 2 + y = 22
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y = 20/4
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x = 3y + 2 = 3(5) + 2 = 15 + 2 = 17

ur numbers are 5 and 17
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3 years ago
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3 years ago
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