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2 years ago

9. Three minutes after a hot tub starts to fill, the tub contains 24

Mathematics

1 answer:

Marianna [84]2 years ago

6 0

Answer:

8 gallons per minute

Step-by-step explanation:

24 gallons in 3 minutes

you divide 24 by 3 which is 8

40 gallons in 5 minutes

you divide 40 by 5 which is 8

the relationship is that in both the answer was 8 as in 8 gallons per minute

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A) 1 b) -20 c) 20 d) 7

Ipatiy [6.2K]

$f(x)=x^2;\ g(x)=x-3\\\\(g\ \circ\ f)(x)=(x^2)-4=x^2-3\\\\\text{Put x = -2 to the equation}\\\\(g\ \circ\ f)(-2)=(-2)^2-3=4-3=1\to\boxed{a)}$

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3 years ago

45 POINTS PLEASE HELP

lutik1710 [3]

Hello,

The relationship between the number of hours a plumber works and the total work fee she charges is proportional. Her fee for 5 hours of work is $350.

Which of the following could be combinations of values for the plumber's work hours and total work fee she charges?

Solution:

Find similar ratios to 5/350

Similar Ratios,

1/70

2/140

3/210

3.5/245

4/280

6/420

7.25/507.50

Answers:

B) 3.5 hours and $245

C) 6 hours and $420

D) 7.25 hours and $507.50

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2 years ago

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Find the domain of the function. (enter your answer using interval notation.) f(x) = x + 4 x2 − 36

11111nata11111 [884]

Alright, lets get started.

The given function is :

$f(x) = x + 4x^{2} - 36$

When we find the domain of any function, we consider the domian is set of input values for which function should remain real and defined.

In this given function , we have not given any points where function seems going undefined.

Hence the domain is : (-∞, +∞) : Answer

Hope it will help :)

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2 years ago

Write this scientific notation in standard form. 3x10^-3

Elanso [62]

The decimal is moved to the front to three spaces

0.003

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Given that EF is a diameter of circle D, which of the following arcs is a minor arc?

PtichkaEL [24]

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