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Anettt [7]
2 years ago
6

Hurry please its timed Write a biconditional statement that is true.

Mathematics
1 answer:
slega [8]2 years ago
4 0

Answer:

If a polygon has three sides, then it must be a triangle.

Step-by-step explanation:

use if-then statements to make it biconditional  

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The line $y = 3$ intersects the graph of $y = 4x^2 + x - 1$ at the points $A$ and $B$. The distance between $A$ and $B$ can be w
raketka [301]

Answer:

61

Step-by-step explanation:

Let's find the points A and B.

We know that the y-coordinates of both are 3.

So let's first solve:

3=4x^2+x-1

Subtract 3 on both sides:

0=4x^2+x-1-3

Simplify:

0=4x^2+x-4

I'm going to use the quadratic formula, x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}, to solve.

We must first compare to the quadratic equation, ax^2+bx+c=0.

a=4

b=1

c=-4

\frac{-1 \pm \sqrt{1^2-4(4)(-4)}}{2(4)}

\frac{-1 \pm \sqrt{1+64}}{8}

\frac{-1 \pm \sqrt{65}}{8}

Since the distance between the points A and B is horizontal. We know this because they share the same y-coordinate.This means we just need to find the positive difference between the x-values we found for the points of A and B.

So that is, the distance between A and B is:

\frac{-1+\sqrt{65}}{8}-\frac{-1-\sqrt{65}}{8}

\frac{-1+\sqrt{65}+1+\sqrt{65}}{8}

\frac{2\sqrt{65}}{8}

\frac{\sqrt{65}}{4}

If we compare this to \frac{\sqrt{m}}{n}, we should see that:

m=65 \text{ and } n=4.

So m-n=65-4=61.

5 0
3 years ago
Read 2 more answers
Linear or non linear?
Ghella [55]

NON LINEAR

do u neeed solution?

5 0
2 years ago
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Rectangle ABCDABCDA, B, C, D is graphed in the coordinate plane. The following are the vertices of the rectangle: A(2, 0)A(2,0)A
const2013 [10]

9514 1404 393

Answer:

  28 square units

Step-by-step explanation:

The rectangle is 7-0 = 7 units high and 6-2 = 4 units wide. Its area is the product of these dimensions:

  A = LW

  A = (7)(4) = 28 . . . square units

3 0
2 years ago
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Write the function for each graph below.​
elena-s [515]

Answer:

2122121221222222weeee

Step-by-step explanation:

wwwww222aweeee

6 0
2 years ago
PLEASE HELP. I DON'T HAVE MUCH TIME. Tim knows the volume and base area of a wooden chest that is in the shape of a rectangular
Llana [10]

Answer:

of a unit

Step-by-step explanation:

Leave a like and mark brainliest if this helped

5 0
3 years ago
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