2 years ago

How many solutions does this system of linear equations have? Explain. xay y = x+ 3

1 answer:

8 0

It is an infinite number of solutions. To put it simply, is x = 1, y would equal 4.you can do this with every single number.

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Assignment due soon! Need help

Natali [406]

Answer: 30°

Step by step explanation:
1) Supplementary angles add up to 180°
2) (2x+10)+(5x-40)=180
3) solve for x
4) x=30

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2 years ago

Pierce swims 10 laps in a pool in 8 minutes. He spent the same amount of time on each lap. How much time did each lap take him?

Trava [24]

Answer:

48 sec.

Step-by-step explanation:

8 devided by 10.

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2 years ago

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Sail with the equation by completing the square x^2+8x=-3

maxonik [38]

Answer:

The solutions are $x=-4(+/-)\sqrt{13}$

Step-by-step explanation:

we have

$x^{2} +8x=-3$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +8x+16=-3+16$

$x^{2} +8x+16=13$

Rewrite as perfect squares

$(x+4)^{2}=13$

square root both sides

$x+4=(+/-)\sqrt{13}$

$x=-4(+/-)\sqrt{13}$

5 0

2 years ago

What is the Y-intercept of the graph of the linear function? What is the slope?

xeze [42]

Answer:

The Y intercept is -5 and the slope is -5/2

4 0

1 year ago

I need help in solving this problem (ASAP)

zhannawk [14.2K]

Answer:

The answer is y=24

Step-by-step explanation:

The triangle is a 30-60-90 triangle, which means that the it follows the respective ratio of x:x $\sqrt{3}$ :2x. Since we know that the 30 degree value is 8 $\sqrt{3}$ , we can establish that the 60 degree value is 8 $\sqrt{3}$ * $\sqrt{3}$ = 24.

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2 years ago