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erma4kov [3.2K]
2 years ago
7

You earn $10.00/hour. You invest $4,000.00 at an interest rate of 5% APR for a year. How much interest did that savings earn in

a year in terms of hours of work?
Mathematics
1 answer:
JulsSmile [24]2 years ago
7 0

Answer:

ok s in one year you get 200 dollars at a 5% interest rate. ok so you worked 400 hours to get 4000 dollars to start

then at the year your interest rate gave you 20 hours more of work for free no  labor so at the end of one year 4200 in the bank

Step-by-step explanation:

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A pair of shoes is on sale for 15% off.With this discount,customers will save $9 if they buy the shoes.What was the original pri
tiny-mole [99]

15 percent off 9.00 is 7.65

Step-by-step explanation:

The difference is 1.35

3 0
2 years ago
You buy a lottery ticket to a lottery that costs $10 per ticket. There are only 100 tickets available to be sold in this lottery
riadik2000 [5.3K]

Answer:

Loss of $1.20

Step-by-step explanation:

The possible outcomes for this lottery and their probabilities are:

- a 1 in 100 chance of winning $450

- a 2 in 100 chance of winning $120

- a 4 in 100 chance of winning $30

- a 93 in 100 chance of losing $10

Therefore, the expected value of this lottery when buying one ticket is:

E(X) = \frac{1}{100}*\$450+ \frac{2}{100}*\$120+ \frac{4}{100}*\$30-\frac{93}{100}*\$10 \\E(X) = -\$1.2

Therefore, you are expected to lose $1.2 per ticket.

3 0
3 years ago
2,167 divided by 6 equals
muminat
361.16 repeating I used my calculator
5 0
2 years ago
Which expression is equivalent to 6^2 times 6^6?<br> a. 6^8<br> b. (6^3)^5<br> c. 6^12<br> d. 6^8/6
ratelena [41]

Step-by-step explanation:

<u>Rule:</u>

When exponents multiply, they're adding.

<u>Multiply:</u>

{6}^{2}  \times  {6}^{6}  =  {6}^{2 + 6}  =  {6}^{8}

Option A is correct.

8 0
2 years ago
What properties can be used to solve 7y-15=-29. Identity property of multiplication,addition property of equality ,distributive
Sveta_85 [38]

Answer:

Addition Property of Equality.

Inverse property of multiplication.

Step-by-step explanation:

Given the equation:

7y-15=-29

First of all, let us use Addition Property of Equality.

According to the property, if we add a number on both sides of an equality, there is no change in the equality.

In other words, the equality will be same if we add the same number on Left Hand Side and Right Hand Side of the equality.

First of all, let us add 15 on both sides of the equality:

7y-15+15=-29+15\\\Rightarrow 7y=-14

Now, let us Inverse property of multiplication.

i.e. Multiplication of a number with its inverse is equal to 1.

a\times \frac{1}{a} = 1

So, let us multiply the given equation with \frac{1}7

7y \times \dfrac{1}{7}=-14 \times \dfrac{1}{7}\\\Rightarrow 1y =-2\\\Rightarrow y=-2

The properties used are:

Addition Property of Equality.

Inverse property of multiplication.

7 0
3 years ago
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