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2 years ago

How do I find the midpoint

Mathematics

1 answer:

Hunter-Best [27]2 years ago

5 0

To find the midpoint of a line use the midpoint formula which is M = (x1+x2/2 , y1 +y2/2) After plugging in the coordinates for your variables you should get (-1+5/2, -1+2/2) This simplifies to (2, 1/2) which is the coordinates for the middle point of the base XY.

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Write an equation of a line that is perpendicular to the line 2x-3y+15=0

loris [4]

Answer:

$y =- \frac{3}{2} x+1$

Step-by-step explanation:

The equation of the given straight line is 2x - 3y + 15 = 0.

Now, we can express the equation as 3y = 2x + 15

⇒ $y = \frac{2}{3} x+ 5$ ..........(1)

The equation is in slope-intercept form and the slope is = $\frac{2}{3}$

Therefore, the equation of a straight line which is perpendicular to (1) is

$y = -\frac{3}{2} x+c$ {Where c is any constant}

{Since, the product of slopes of two perpendicular straight lines is -1}

Now, putting c = 1, we get the equation as $y =- \frac{3}{2} x+1$ . (Answer)

4 0

3 years ago

How do I find A’?<br><br><br><br> Let U={a,b,c,d,e,f,g} and A={a,b,e,f}

vesna_86 [32]

Let U={a,b,c,d,e,f,g,h}

A={a,c,d}

B={b,c,d}

C={b,e,f,g,h}

6 0

2 years ago

For what values of a and m does f(x) have a horizontal asymptote at y = 2 and a vertical asymptote at x = 1? f(x)=2x^m/x+a {a =

iVinArrow [24]

Answer:

See below

Step-by-step explanation:

$f(x)=\frac{2x^{m} }{x+a}$

$f(x)=\frac{2x^{1} }{x-1}$

If x=1, then 1-1=0, which implies a vertical asymptote at x=1 since dividing by 0 is undefined.

3 0

2 years ago

You have $7.45. You buy 8 items that cost $0.83 each. How much money do you have left

Agata [3.3K]

Answer:

$0.81

Step-by-step explanation:

left

$7.45-8(0.83)=7.45-6.64=0.81$

I hope I have helped you

6 0

2 years ago

Brett golfs for the forestville knights high school team. When he practices his putting, he can make a 10-foot putt 80% of the t

balu736 [363]

The formula to calculate standard deviation from probability is \sqrt(n*p*(1-p)). n is the sample size, and 200 in this case (number of putts for practice). p is 80% or 0.8, the probability that he can make it. So the standard deviation is \sqrt(200*0.8*(1-0.8)=\sqrt(200*0.8*0.2)=\sqrt(16)=4.

4 0

3 years ago