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Flauer [41]
3 years ago
11

BRAINLIEST TO CORRECT answer all please

Mathematics
1 answer:
satela [25.4K]3 years ago
8 0

Answer:

20. A

21. A

22. D

Step-by-step explanation:

I don't feel like explaining this but if you want me to please comment

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Pls help fast I am dumb and I need to go to 2 competitions today!!!
aliina [53]

Answer:0.25

Step-by-step explanation:

Just type it in a calculator

3 0
3 years ago
Read 2 more answers
Which equation matches the graph below?
Oksana_A [137]

Answer:Given that the graph shows tha the functión at x = 0 is below the y-axis, the constant term of the function has to be negative. This leaves us two possibilities:

y = 8x^2 + 2x - 5 and y = 2x^2 + 8x - 5

To try to discard one of them, let us use the vertex, which is at x = -2.

With y = 8x^2 + 2x - 5, you get y = 8(-2)^2 + 2(-2) - 5 = 32 - 4 - 5 = 23 , which is not the y-coordinate of the vertex of the curve of the graph.

Test the other equation, y = 2x^2 + 8x - 5 = 2(-2)^2 + 8(-2) - 5 = 8 - 16 - 5 = -13, which is exactly the y-coordinate of the function graphed.

Step-by-step explanation:

6 0
3 years ago
What is 0.16666666...as fraction .show your work
Alecsey [184]
<h3>Answer:   1/6</h3>

Work Shown:

x = 0.1666666...

10x = 1.666666...

100x = 16.666666...

100x - 10x = 16.666666... - 1.666666...

90x = 15

x = 15/90

x = (1*15)/(6*15)

x = 1/6

So, 1/6 = 0.1666666...

8 0
3 years ago
Please answer it’s only one question please fast I really need it please show work
Scilla [17]

Answer:

Yes answer is c) 4

In 1st cube 6-4=2

In 2nd cube 9-8=1

In 3rd cube 4-1=3

5 0
3 years ago
Which choice is equivalent to the expression below when y  0?
olasank [31]
y\sqrt{y}+\sqrt{9y^3}-3y\sqrt{y}=y\sqrt{y}+\sqrt9\cdot\sqrt{y^2\cdot y}-3y\sqrt{y}\\\\=y\sqrt{y}+3y\sqrt{y}-3y\sqrt{y}=y\sqrt{y}\\\\Answer:C.
6 0
3 years ago
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