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Mamont248 [21]
3 years ago
8

TURILO

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0

Answer – True

To begin an indirect proof, you assume the inverse of what you intend to prove is true. An indirect proof takes the conclusion from a hypothesis and assumes that the inverse is true until a contradiction is reached, thus showing that if the inverse is true there would be a contradiction. In other words, indirect proof demonstrates that something else apart from the given statement (usually algebraic or geometric) would not make sense.

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In which quadrant does the point (-10, -9) lie?
Fofino [41]

Answer:

third quadrant

Step-by-step explanation:

quadrant III

5 0
3 years ago
What are the coordinates of the vertex for the function shown below ?
Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

We can answer this in two ways:  Differentiation and Graphing.

<u>Differentitate:</u>

The first derivative of a function yields a function that provides the slope for any point on the line of the original function.  The slope of a vertex is zero, so we can set the first derivative to 0 and solve for x.

f(x) = 3(x-1)^2 + 4

f(x) = 3(x-1)(x-1) + 4

f(x) = 3(x^2 - 2x + 1) + 4

f(x) = 3x^2 - 6x + 7

f'(x) = 6x -6

Set this = 0 and find x:

0 = 6x -6

x = 1

The value of y when x=1 in the original equation is:

f(1) = 3(1-1)^2 + 4

y = 4

The vertex is (1,4)

<u>Graph:</u>

You can use DESMOS to plot the function.  The result is attached.  Look for the vertex and read the coordinates.  (1,4) seems to work.

6 0
2 years ago
Doe's anyone understand this?
Kitty [74]

just subtracting by 2x on both sides

hope this helps

5 0
2 years ago
5/6k=-20 what is the correct answer ??
damaskus [11]
<span>5/6k=-20

k=-24

Hope this helps
</span>
4 0
3 years ago
Read 2 more answers
I WILL AKE YOU THE BRAINLIEST EASY QUESTION
avanturin [10]

Answer:

3rd choice

Step-by-step explanation:

9/5 = 18/10 = 1.8

All your numbers are between 1 and 2, and all have a fractional part that is a whole number of tenths. 1.3, 1.5, and 1.8 will be correctly shown by dots on the 3rd, 5th, and 8th marks.

6 0
3 years ago
Read 2 more answers
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