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2 years ago

Please help me with this and explain how u did it step by step

Mathematics

1 answer:

joja [24]2 years ago

6 0

The domain of the third piece of the graph is contained in interval <u>B. (12, 20)</u>.

<h3>What is the domain of a graph?</h3>

The domain of a graph consists of all the input values shown on the x-axis.

The input values (domain) are shown on the x-axis, unlike the range, whose output values are shown on the y-axis.

Therefore, the domain comprises the independent variables or values, which can be determined using the function, y = f(x).

Thus, the domain of the third piece of the graph can be determined in interval <u>B. (12, 20)</u>.

Learn more about domain and range at brainly.com/question/10197594 and brainly.com/question/2264373

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The thickness of a book varies directly with

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$\stackrel{\textit{"th" varies directly with "p"}}{th=kp}\qquad \textit{we also know that} \begin{cases} th=1.8\\ p=350 \end{cases} \\\\\\ 1.8=k(350) \implies \cfrac{9}{5}=350k\implies \cfrac{9}{1750}=k~\hfill \boxed{th=\cfrac{9}{1750}k} \\\\\\ \textit{when p = 84, what is "th"?}\qquad th=\cfrac{9}{1750}(84)\implies th=\cfrac{54}{135}\implies th=0.432$

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2 years ago

Which of the following expressions represents "the sum of n and the sum of 8 and 6"?

CaHeK987 [17]

Answer:

n + (8 + 6)

Step-by-step explanation:

The other 2 choices contain products

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3 years ago

Explain the difference between (4,7) and [4,7]

Ksivusya [100]

Answer:

See below

Step-by-step explanation:

(4,7) is just 4 and 7 but [4,7] is all the points between 4 and 7. I am pretty sure this is correct, but i could be wrong. Hope this helped!

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3 years ago

What set of numbers best describes the height of an airplane as it descends to an airport runway ?

MariettaO [177]

All positive numbers. I think

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3 years ago

There are 12 bags of apples on a market stall. The mean number of apples in each bag is 8. the table shows the number of apples

konstantin123 [22]

The number of apples in bag 12 is 96.

<u>Explanation:</u>

Given that, there are 12 bags of apples on a market stall.

The mean number of apples in each bag is 8.

We have to calculate the number of apples in the 12 bag.

The mean of "n" observations is given as

mean on n observations = sum of observations/ n

here in the problem

8 = sum of observations/12

total number of apples = 8*12 = 96

Hence, there are 96 apples in 12 bags.

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4 years ago