2 years ago

Line pass through the sets given points. which choice shows perpendicular lines?

Mathematics

1 answer:

Ludmilka [50]2 years ago

4 0

Answer:

I have no reference to this question, there is no graph or anything to show me.

Step-by-step explanation:

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How many solutions does the equaltion 7x + 3x - 8 = 2(5x - 4) have ? explain.

Sergio [31]

Answer:

It hasn't got any real roots,because as you see there isnt left numbers.

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3 years ago

You buy 3 new shirts for $17 each and 5 new pairs of pants for $12 each. You give the cashier $110. Which of the following is a

kvv77 [185]

Answer:No change

Step-by-step explanation:

3*17=51 + 5*12=60

So 51+60=111. So in reality you would still need to pay $1.

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Sedbober [7]

Answer:

Multiply both sides by five

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3 years ago

Select the property of equality used to arrive at the conclusion

aksik [14]

Answer:

The addition property of equality

Step-by-step explanation:

2 + 8 = 10

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Find a cartesian equation for the curve and identify it. r = 10 tan(θ) sec(θ)

Vilka [71]

For a cartesian equation
$x=r\cos\theta \ and \ y=r\sin\theta \\ \\ \cos\theta=\frac{x}{r} \ and \ \sin\theta=\frac{y}{r} \\ \\ \tan\theta=\frac{\sin\theta}{\cos\theta}=\frac{y}{r}\cdot\frac{r}{x}=\frac{y}{x} \\ \\ \sec\theta=\frac{1}{\cos\theta}=\frac{r}{x}$

Given r = <span>10 tan(θ) sec(θ)
$r=10\tan\theta\sec\theta=10\cdot\frac{y}{x}\cdot\frac{r}{x} \\ \\ \Rightarrow10y=x^2 \\ \\ \Rightarrow y= \frac{1}{10} x^2$

Therefore,</span>the curve is a parabola opening upward with vertex (0, 0).

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