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3 years ago

8

Tell whether the lines through the given points are parallel, perpendicular or neither. You must have a work that supports your

answer

1 answer:

Sonja [21]3 years ago

8 0

I think it’s perpendicular, I tried to do a quick drawing, sorry if it’s not perfect ☹️

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Someone please help me !!!

alexandr1967 [171]

Because this triangle is a right traingle and has one angel that is 45 degrees, the third angle must be 45 degrees to because 90+45+45=180. With that, km must be the same length as lm. we know lm is 5 so km is 5 too. No we can plug this into the Pythagorean Theorem too get

5^2+5^2=c^2

25+25=c^2

50=c^2

√50=√c^2

√25*2=c

5√2=c

Thats your answer to the length of lk.

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3 years ago

A choir teacher is dividing 15 sopranos and 36 altos into the singing groups. He wants each group to have the same combination o

SCORPION-xisa [38]

Answer:

3 groups of 5 sopranos and 12 altos

Step-by-step explanation:

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3 years ago

What is the slope of the graph of y-3= -1(x+2)

faltersainse [42]

Answer:

-1

Step-by-step explanation:

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3 years ago

At high school basketball game, the athletic department sold 250 tickets and brought in 837.50. Adult tickets cost $5 and studen

Tpy6a [65]

Answer:

The system of equations is:

$a+s = 250\\5a+2.50s = 837.50$

Here a is the number of adult tickets and s is the number of student tickets

Step-by-step explanation:

We will use the given statements to make a system of equations for the given scenario.

First of all we have to decide which variables to be used.

Let a be the number of adult tickets and

Let s be the number of student tickets

So according to the statement that the department sold 250 tickets in total, the equation will be:

$a+s = 250$

This is equation one of the system of equations

According to the statement that cost of adult ticket is $5, total cost of adult tickets will be: $5a$

According to the statement that cost of student ticket is $2.50, total cost of student tickets will be: $2.50s$

The total earning was $837.50 so the second equation will be:

$5a+2.50s = 837.50$

Hence,

The system of equations is:

$a+s = 250\\5a+2.50s = 837.50$

Here a is the number of adult tickets and s is the number of student tickets

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3 years ago

Write the word sentence as an equation.<br><br> 11 more than a number q is negative 15.

GaryK [48]

11 + q = -15, simple as that.

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3 years ago