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Sonja [21]
3 years ago
6

Help!!! IXL! plzzzzzz.Quick

Mathematics
2 answers:
Blababa [14]3 years ago
6 0

x = 7

8x - 8y = 16.

Plug 7 from the first equation into x for the second equation

8(7) - 8y = 16.

Simplify the left side.

56 - 8y = 16.

Subtract 56 from each side.

-8y = -40.

Divide each side by -8

y = 5.

We know x = 7 and y = 5, therefore,

Your answer should be (7,5)

valentinak56 [21]3 years ago
4 0
The answer is (7, 5)

X=7

8x-8y=16

8*7-8y=16

56-8y=16

-8y=-40

y=5
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inna [77]

Answer:

Plot and connect (5,4), (3,0) and (7,0).

Step-by-step explanation:

This is in factored form and can be graphed directly from the equation. The equation shows the x-intercepts.

The x-intercepts are found by solving for x using the zero product rule.

(x-3)=0 so x = 3

(x-7) = 0 so x = 7

The intercepts are (3,0) and (7,0). Plot the points. The vertex will occur halfway between these points. 7-3 / 2 = 4/2 = 2. This means the axis of symmetry is at x = 5 and this is the x-coordinate of the vertex too.

Substitute x = 5 into the equation and solve for y.

-(5-3)(5-7) = -(2)(-2) = 4

The vertex is (5,4). Plot it and connect the points.

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3 years ago
Convert 108,208,930 in to scientific notation
nekit [7.7K]
Hello,

Shall we begin?

<span>108,208,930
</span>
= 1.0820893* 10^8

Answers: 1.0820893* 10^8
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