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egoroff_w [7]
3 years ago
11

Simplify 8-11 And 4-5

Mathematics
2 answers:
Sphinxa [80]3 years ago
6 0
8-11 is negative 3 and 4 - 5 is negative 1

solong [7]3 years ago
3 0
8 - 11 = -3
4 - 5 = -1
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Add 6+7+9, which gives 22.

Divide 44 by 22, which is 2.

Multiply the ratio by 2:

(6 : 7 : 9) * 2 = 12 : 14 : 18

The lengths of the sides are 12cm, 14cm, 18cm.

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Which ratio best defines theoretical probability? Number of possible outcomes: Number of favorable outcomes Number of favorable
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3 years ago
What is the equation in standard form of a parabola that models the values in the table
shusha [124]

Answer:

Y=4x^2-3x+5

Step-by-step explanation:

For the standard form equation to model the values in the table, each value of x in the table should give the matching the y value when substituted into the equation. We will test each equation:

<u>Y=-4x^2+3x+5 for (-1,12)</u>

Y=-4(-1)^2+3(-1)+5=-4(1)+-3+5=-4+-3+5=-2\\

This does not give 12 as the answer and is not a solution.

<u>Y=-4x^2-3x+5 for (-1,12)</u>

Y=-4(-1)^2-3(-1)+5=-4(1)+3+5=-4+3+5=4\\

This does not give 12 as the answer and is not a solution.

<u>Y=3x^2-4x+5 for (-1,12)</u>

Y=3(-1)^2-4(-1)+5=3(1)+4+5=3+4+5=12\\

This does give 12 as the answer and is a possible solution.

We now try (2,15).

Y=3(2)^2-4(2)+5=3(4)-8+5=12-8+5=9\\

This does not give 15 as the answer and is not a possible solution.

<u>Y=4x^2-3x+5 for (-1,12)</u>

Y=4(-1)^2-3(-1)+5=4(1)+3+5=4+3+5=12\\

This does not give 12 as the answer and is not a solution.

We now try (2,15).

Y=4(2)^2-3(2)+5=4(4)-6+5=16-6+5=15\\

This does give 15 as the answer and is a solution.

This is the standard form of the equation.

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3 years ago
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