MATHEMATICS COLLEGE

22. Find the balance in an account with $900 earning 6.5% compounded
quarterly after 4 years

Answers

Answer 1
Answer:

Answer:

$1,164.80

Step-by-step explanation:

Lets use the compound interest formula provided to solve this:

A=P(1+(r)/(n) )^(nt)

P = initial balance

r = interest rate (decimal)

n = number of times compounded annually

t = time

First, we need to change 6.5% into a decimal:

6.5% -> (6.5)/(100) -> 0.065

Since the interest is compounded quarterly, we will use 4 for n. Lets plug in the values now:

A=900(1+(0.065)/(4))^(4(4))

A=1,164.80

The balance after 4 years will be $1,164.80

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Suppose that salaries for recent graduates of one university have a mean of $26,400$ 26,400 with a standard deviation of $1200$ 1200. Using Chebyshev's Theorem, what is the minimum percentage of recent graduates who have salaries between $22,800$ 22,800 and $30,000$ 30,000? Round your answer to one decimal place.
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You have a litre bottle of water and drink 375 millilitres.How much is left?
Find the volume o the sphere.
Percent * $3.32 = $0.32 + $0.184

2. A faucet for a 30-gallon bathtub fills at a rate of 3 gallons per minute.If the drain lets water out at 1.5 gallons per minute, how long would it
take for the tub to overflow if both the faucet and drain were open at the
same time?

Answers

Answer:

20

Step-by-step explanation:

Knowing that it is a 30-gallon bathtub.

And it fills at a rate of 3 gallons per minute.

But also drains 1.5 gallons per minute.

So this is for the first minute.

3 - 1.5 = 1.5

So there will be 1.5 gallons of water in the tub after the first minute.

Now do,

30 ÷ 1.5 = 20

It will take 20 full minutes for the bathtub to fill up.

When hired at a new job selling jewelry, you are given two pay options:Option A: Base salary of $16,000 a year, with a commission of 7% of your sales

Option B: Base salary of $25,000 a year, with a commission of 2% of your sales


In order for option A to produce a larger income, you would need sell at least $_______ of jewelry each year

Answers

You are required to sell a minimum of 180,001 of jewelry each year.

Given that,

  • The base salary is $16,000 per year and there is a 7% commission on sales for option A.
  • The base salary is $25,000 per year and there is a 2% commission on sales for option B.
  • Also, let us assume the sales be x

Based on the above information, the following expression should be made:

16,000 + 0.07x > 25,000 + 0.02x

0.07x - 0.02x > 25,000 - 16,000

0.05x > 9000

x > 9000 ÷ 0.05

x > 180,000

Therefore we can conclude that you are required to sell a minimum of 180,001 of jewelry each year.

Learn more: brainly.com/question/12127730
16,000 + 0.07x > 25,000 + 0.02x
0.07x - 0.02x > 25,000 - 16,000
0.05x > 9000
x > 9000 / 0.05
x > 180,000....so they would need to sell at least 180,001

Li enters a competition to guess how many jelly beans are in a jar.Li’s guess is 345 jelly beans.
The actual number of jelly beans is 300.

What is the percent error of Li’s guess?

Answers

Answer:

15

Step-by-step explanation:

345-300     X 100 = 15%

300

Answer:

Percent error =

15%

Li’s guess was off by

15%.

Step-by-step explanation:

TTM </3

I need a reason how sort from least to greatest I don’t understand

Answers

Answer:

Step-by-step explanation:

√(9) < 3.758375839203... < √(16) \n\n(√(20) )/(4) =\sqrt{(20)/(16) }=√(1.25) \n\n3√(2) =√(18) \n\n\n1.25 < 9 < 16 < 18 < 22\n\n\n\Rightarrow\ \ (√(20) )/(4) < 3.758375839203... < 3√(2) < √(22)

What is the quotient? of negative 3/8 ÷ negative 1/4​

Answers

Answer:

3/2

Step-by-step explanation:

-3/8÷-1/4

=-3/8×-4 (Reciprocal)

=1.5

One size of pizza served at Joe’s Pizza Parlor is 10in. in diameter. What is the area of this particular (circular) size pizza? (Pie=3.14)

Answers

Answer:

78.5 in.²

Explanation:

Formula For Area Of Circle: Area = πr²

π: 3.14

r (Half Of Diameter): 5

r²: 25

3.14 · 25 = 78.5
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