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Lostsunrise [7]
3 years ago
7

Please help which should I choose

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0
<h3>Answer: Choice A. Graph (1)</h3>

Reasoning:

If it is at all possible to draw a single vertical line through more than one point on the curve, then the graph is not a function. With graphs (2), (3) and (4), we can draw a vertical line through more than one point on those curves, so they aren't functions. Graph (1) is the only thing left. This graph is a function because it is not possible to draw a single vertical line through more than one point. It passes the vertical line test. Any input (x) leads to exactly one and only one y output.

Nice work on getting the correct answer when you chose "graph (1)".

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What is the mean of the following data values?
madreJ [45]
The answer to the question is A
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3 years ago
A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure anti
andre [41]

Answer:

First brand of antifreeze: 21 gallons

Second brand of antifreeze: 9 gallons

Step-by-step explanation:

Let's call A the amount of  first brand of antifreeze. 20% pure antifreeze

Let's call B the amount of second brand of antifreeze. 70% pure antifreeze

The resulting mixture should have 35% pure antifreeze, and 30 gallons.

Then we know that the total amount of mixture will be:

A + B = 30

Then the total amount of pure antifreeze in the mixture will be:

0.2A + 0.7B = 0.35 * 30

0.2A + 0.7B = 10.5

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -0.7 and add it to the second equation:

-0.7A -0.7B = -0.7*30

-0.7A -0.7B = -21

-0.7A -0.7B = -21

               +

0.2A + 0.7B = 10.5

--------------------------------------

-0.5A = -10.5

A = \frac{-10.5}{-0.5}

A = 21\ gallons

We substitute the value of A into one of the two equations and solve for B.

21 + B = 30

B = 9\ gallons

3 0
2 years ago
Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz please please please please please please helpppppppppWill give brainliest to right answer
Law Incorporation [45]
A circle with a radius of 4cm sits inside a circle with a radius of 11cm
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Round your final answer to the nearest hundredth.

Answer: 329.86 cm
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3 years ago
3. The volume of a shipping container is 448.656 cubic inches and it can hold 24 smaller boxes. What is the volume of each of th
Licemer1 [7]

We are given volume of a shipping container = 448.656 cubic inches.

And this shipping container can hold =  24 smaller boxes.

Volume of each small box = \frac{The\ volume\ of\ the \ shipping\ container}{Volume \ of \ each \ small \ box}.

= \frac{448.656}{24}

On dividing 448.656 by 24 we get

= 18.694.

<h3>Therefore, the volume of each of the smaller boxes is C. 18.694 cubic inches .</h3>
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3 years ago
The mapping diagram shows a function Q(x)
Julli [10]

Answer:

there is no function

Step-by-step explanation:

5 0
2 years ago
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