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Dafna11 [192]
3 years ago
10

Simplify the expression 12x^-6y^10X3x^7y

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

12xy₁₁x₃

Step-by-step explanation:

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Castle spent half of his weekly allowance buying pizza. To earn more money his parents let him mow the lawn for $10. What is his
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His weekly allowance would be 7
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Samantha works at an animal shelter. She decides to track the total number of kittens that are brought in. The equation k=4w+3 r
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Answer:

B

Step-by-step explanation:

The equation k=4w+3 represents the total number of kittens, where w represents <u>the number of weeks that have passed since Samantha started counting.</u>

This means options C and D are false, because they say <u>the total number of kittens that have come into the shelter</u>.

w represents the number of weeks, weeks can be counted 0 weeks, first week, second week and so on, so option B is true (the domain is all whole numbers) because 0, 1, 2, 3, ... are whole numbers.

Number of weeks can't be a negative number. Since "real numbers" include negatives, therefore, we exclude option A.

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A town has a population of 17000 and grows at 3% every year. What will be the population after 7 years, to the nearest whole num
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122570


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Rita earns $10 per hour. She puts 5% of her earnings in savings. Write inequality to find how many hours Rita must work to save
Rina8888 [55]

Answer:

Rita must work 50 days  to save at least $25.

Step-by-step explanation:

The amount Rita earns per hour  = $10

The saving percentage =  5%

So, the savings of Rita per hour =  5% of $10

⇒5% of $10  = \frac{5}{100}  \times 10  = 0.5

or Rita saves $0.5 per hour.

The amount she wants to save at minimum  = $25

So, let she works at the minimum of k Days.

⇒\textrm{The number of hours she has to work}  = \frac{\textrm{Amount she needs saving}}{\textrm{Amount saved in 1 hour}}

or, k = \frac{25}{0.5}  = 50

The number of hours she has to work  =  50 days

Hence,  Rita must work 50 days  to save at least $25.

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When a teacher in a private school points out to her high school principal that since there are empty seats in all classrooms, t
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Answer:

The answer is "Principal of marginal analysis".

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To determine unless the benefits of even an aggressive resource would outweigh its costs, and therefore increase utility, individuals and businesses can use a valuation model to compare the risks versus the benefits of more activities, like whether to create or consuming more. It's the amount during which net value is greater than or equal to marginal cost that's the optimal quantity in this situation. The amount where the marginal social cost curve and consumer surplus line connect.

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