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hichkok12 [17]
3 years ago
14

Belinda will earn $46,000 her first year working as an interior designer with annual raises of 10%. What are her total earning a

t the end of 7 years?
Mathematics
1 answer:
Fed [463]3 years ago
7 0
For this case we have an equation of the form:
 y = A * (b) ^ t
 Where,
 A: initial gain
 b: growth rate
 t: time
 Substituting values we have:
 y = 46000 * (1.10) ^ t
 For the year 7 we have:
 y = 46000 * (1.10) ^ 7
 y = 89640.9866
 Answer:
 
her total earning at the end of 7 years are:
 
y = 89640.9866 $
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Ilia_Sergeevich [38]

Answer:

C

Step-by-step explanation:

The answer to this problem is 3 11/12.

1.8 3/4= 8 9/12

2.4 5/6 = 4 10/12

if you minus the two numbers, you get 3 11/12.

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3 years ago
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You work at Dave's Donut Shop. Dave has asked you to determine how much each box of a dozen donuts should cost. There are 12 don
Archy [21]

Answer:

Donuts(b) = 12*b

Step-by-step explanation:

Notice that the question is:

What's an expression to model the number of donuts in b boxes?

We know that we are talking of boxes of a dozen donuts.

We know that in one dozen, we have 12 donuts.

Then if we have b boxes, and in each box we have 12 donuts, we will have a total of b times 12 donuts, the expression is:

Donuts(b) = 12*b

There is a lot of information here that we did not use (like the cost of cardboard and donuts), and that may be there just to distract us, the important thing to do here is:

See what is the thing we want to find (in this case, the number of donuts in b boxes)

Find the relevant information to solve this. (ignore the irrelevant information)

Solve the question.

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3 years ago
After buying some new coins, Andre has 80 coins in his collection. Last month, he had 50 coins. The size of his current collecti
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160%

Step-by-step explanation:

5 0
3 years ago
How can I do number 25?
Delicious77 [7]
+
^ that's your answer

3 0
3 years ago
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A researcher is wondering whether the smoking habits of young adults (18-25 years of age) in a certain city in the U.S. are diff
Usimov [2.4K]

Answer:

For this case we want to test if in a certain city in the U.S. are different from the proportion of the general population of young adults in the U.S 0.16 (alternative hypothesis) and the best system of hypothesis are:

Null hypothesis: p=0.16

Alternative hypothesis:p \neq 0.16

Step-by-step explanation:

Previous concepts

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".  

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".  

Solution to the problem

For this case we want to test if in a certain city in the U.S. are different from the proportion of the general population of young adults in the U.S 0.16 (alternative hypothesis) and the best system of hypothesis are:

Null hypothesis: p=0.16

Alternative hypothesis:p \neq 0.16

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3 years ago
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