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3 years ago

A shirt that normally costs $30 is on sale for $21.75. What percent of the regular price is the sale price?

Mathematics

1 answer:

disa [49]3 years ago

8 0

First you divide sale cost which is $21.75 by the original cost of the shirt being $30.

Once you divide 21.75 into 30 dollars you'll get 0.725

Now you wanna multiply that 0.725 by 100% which will then

give you the total 72.5%

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Jackson high schol chum bump lava rat socks

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Answer:

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Step-by-step explanation:

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3 years ago

If $1000 is invested at 8% interest, compounded annually, then after n years the investment is worthan = 1000(1.08)ndollars.(a)

Luba_88 [7]

Answer:

Diverge

Step-by-step explanation:

(a)

1st year: $1000 * 1.08^1 = \$1080$

2nd year: $1000 * 1.08^2 = \$1166.4$

3rd year: $1000 * 1.08^3 = \$1259.71$

4th year: $1000 * 1.08^4 = \$1360.49$

5th year: $1000 * 1.08^5 = \$1469.33$

(b) The sequence is divergent, because if we take the derivative of the function with respect to n year:

$(1000*1.08^n)^{'} = 1000ln(n)*1.08^n$

This is a positive, meaning the slope of the function is positive. If we take the second derivative using product rule

$(1000ln(n)*1.08^n)^{'} = 1000\frac{ln(n)}{n}1.08^n$

This is also positive when n > 0. Therefore, the slope is positive and increasing. This means the sequence diverges.

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3 years ago

What is the quotient of 2 1/9÷3 4/5

Karolina [17]

Answer:

$\frac{5}{9}$

Step-by-step explanation:

$2 \frac{1}{9} \div 3 \frac{4}{5} \\ \\ = \frac{2 \times 9 + 1}{9} \div \frac{3 \times 5 + 4}{5} \\ \\ = \frac{18 + 1}{9} \div \frac{15 + 4}{5}\\ \\ = \frac{19}{9} \div \frac{19}{5}\\ \\ = \frac{19}{9} \times \frac{5}{19} \\ \\ = \frac{5}{9}$

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3 years ago

A total of $32,000 is to invested, some in bonds and some in certificates of deposit (CDs). If the amount invested in bonds is t

Naya [18.7K]

I think all you do is $32,000 / $8,000 which is $4,000.

Meaning $4,000 will be invested in each investment, I may be wrong though.

7 0

3 years ago

Read 2 more answers

9 apples for $1.80. What was the cost per apples

Vikki [24]

Answer:

$0.20

Step-by-step explanation:

To find the price of the apples we will divide the total price buy the number of apples. 1.8/9

1.8/9=.20

So each apple cost $0.20

Time to check

.20 x 9=1.8

4 0

3 years ago