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abruzzese [7]
3 years ago
11

Lee’s teacher gave her a picture of an angle and asked her to perform a common construction on the figure. Lee used a compass to

draw several arcs on the original angle and a nearby ray as shown in the figure below.

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

Answer:

Congruent Angles

Step-by-step explanation:

Dmitry [639]3 years ago
5 0

Answer: C : Congruent Angles

Step-by-step explanation:

I just took the test

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2/7 of the pupils in Year 9 say their favourite colour is red. There are 119 pupils in Year 9. How many students said red is the
aev [14]

Answer:

34 say red is their favorite color

Step-by-step explanation:

Take the number of students and multiply by the fraction that like red

2/7 * 119

34

8 0
3 years ago
Read 2 more answers
What variable expressions is a translation of the word phrase "three less than the product of a number and six?
yan [13]

That expression would be 6n-3, where n is the number in question.


6 0
3 years ago
Solve the equation by completing the square. 0=4x^2-72x
Butoxors [25]

Answer:

Step-by-step explanation:

First we need to make sure that the leading coefficient is a 1.  Ours is a 4, so we need to factor it out, leaving us with

4(x^2-18x)=0

To complete the square, take half the linear term, square it, then add it to both sides.  But don't forget about that 4 hanging around out front, refusing to be ignored.  Our linear term is 18.  Half of 18 is 9, and 9 squared is 81.  Add 81 into the parenthesis, but what we REALLY added in was 4*81 which is 324:

4(x^2-18x+81)=324

To solve this, we need to get the x terms all by themselves.  So let's divide both sides by 4 to get

x^2-18x+81=81

The process of completing the square created a perfect square binomial on the left.  We will state this binomial now:

(x-9)^2=81

We isolate the x term by taking the square root of both sides:

x - 9 = ±9

From that we have 2 equations:

x - 9 = 9 and x - 9 = -9

Which means that x = 18 or x = 0

6 0
3 years ago
Read 2 more answers
Which graph is the linear function that has a slope of 1/3 and contains the point (- 2, - 4) ?
Vlad1618 [11]

Answer:

Option 1 (The last one, bottom right)

Step-by-step explanation:

If you start at the origin and go 2 to the left and 4 down, you will reach a point. We can test the slope by using rise over run from one point to another. It goes up 1 and three across which is true in this case.

6 0
3 years ago
As front passed,the temperature changed steadily over 6 hours. altogether it changed -18 degrees. what was the change in tempera
Anettt [7]
The temperature changed steadily over the 6 hours, which means that it changed the same amount of degrees every hour.  It changed -18 degrees in 6 hours. 
Divide the temperature change by the number of hours.
-18 ÷ 6 = -3
The change in temperature per hour is -3°.
5 0
3 years ago
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