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3 years ago

COME GET 50 POINTS!!

Mathematics

2 answers:

MArishka [77]3 years ago

6 0

Answer:

Quadratic, because the height increases and then decreases.

Step-by-step explanation:

In an exponential function, the graph will either increase or decrease over the entire domain. It does not change direction.

We can see from the table that the heights increase and then decrease; this means it cannot be an exponential function.

A quadratic function has a graph that is u-shaped. It will start out either increasing or decreasing, and then after the maximum or minimum is reached, it changes direction.

We can see from the table that this is what the heights do; this means it is a quadratic function.

nadya68 [22]3 years ago

3 0

I think your answer is B.

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How many different 7-digit telephone numbers are possible if the first digit cannot be 0, but the last two digits must be 0?

solniwko [45]

The first digit can only range from 1-9, resulting in 9 possible options. The next four digits can range from 0-9, resulting in 10 options for each. Since the last two digits remain the same, they do not affect the sample size. Using the fundamental counting principle, we can find the amount of telephone numbers possible in the following equation.
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3 years ago

19. Simplify 3√ 2 – √ 2 . A. 4√ 2 B. 2√ 2 C. √ 2 D. 3√ 2

podryga [215]

Answer: OPTION B

Step-by-step explanation:

You need to remember that, to subtract radicals, the indices and the radicands must be the same.

Given the expression $3\sqrt{2}-\sqrt{2}$ , you can identify that both have index 2 and the radicands are 2 (The numbers that are inside of radicals), therefore, you can conclude that the subtraction can be made.

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3 0

3 years ago

Read 2 more answers

The set of ordered pairs shown represents a function f. { (4, -2), (-1, -1), (0, 0), (1, -1), (4,2) } Select the ordered pair th

Vsevolod [243]

I think that the answer isB.

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3 years ago

Help please, finals week is upon me

kenny6666 [7]

The circumcenter is found by finding the intersection of at least 2 perpendicular bisector segments.

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The midpoint of AC is 2.5, so the perpendicular bisector to AC is x = 2.5 which is shown as the vertical green line in the same diagram.

The red and green lines cross at the location (2.5, -3.5) which is the circumcenter's location. If you were to draw a circle through all three points A, B, & C, then this circle would be centered at (2.5, -3.5)

If point D is the circumcenter, then we know this

AD = BD = CD

basically the distance from the center to any point on the triangle is the same. This is due to the fact that all radii of the same circle are the same length.

<h3>Answer: (2.5, -3.5)</h3>

note: 2.5 in fraction form is 5/2 while -3.5 in fraction form is -7/2

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3 years ago

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4 years ago