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3 years ago

The expression represents the cost of Janelle’s cell phone bill, where m represents the number of minutes of use.

Mathematics

1 answer:

Tcecarenko [31]3 years ago

5 0

12 since it stays the same

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Rearrange the formula y = mx + b for m.

jenyasd209 [6]

X=(y-b)/m........ . . . .

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4 years ago

Read 2 more answers

3) Find the range of the function.

9966 [12]

Answer:

Range is (0, -5)

Step-by-step explanation:

${ \sf{f(x) = - {x}^{2} - 5}}$

when x is 0:

${ \sf{f(0) = - 5}}$

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3 years ago

Your cousin gave you $0.72 with which to buy a gift. This covered 9/10 of the cost. How much did the present cost?

Helga [31]

Answer:

$0.80

Step-by-step explanation:

percent times the original number equals the part

(%)(start or total cost)= (part of the total cost). you need to know the total cost, so you would fill in the part and the percent. 0.9x=0.72. you use x because you don't know what the total cost is. then you divide both sides by 0.9 to get x by itself and you get that x = 0.8, meaning that the present costs $0.80.

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3 years ago

t takes a total of 6 hours to fill up an inground backyard pool using a standard hose. A function can represent this situation t

Alina [70]

The domain is the set of inputs over which our function W(T) gives a valid result.

$0 \le T \le 6 \textrm{ hours}$

3 0

3 years ago

Skill 3 prime factorization

slega [8]

Explanation:

Prime factorization says that, if a number is prime then the only way it can be factored is, 1 times the number itself.

But if the number is composite, it can be expressed as a product of prime factors. This method is called prime factorization.

For example: 12 is a composite number, it can be written in the form of prime factorization as,

$12 = 2 \times 2 \times 3$

Here we can see that 12 is expressed as the product of primes only. This is called prime factorization.

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3 years ago