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Finger [1]
3 years ago
12

Three straight lines have exactly two points of intersection complete the sentence below : two of the lines must be .....

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0
Paralell i forgot how to spell it lol
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A region with a 5-mile radius has a population density of about 3100 people per square mile. Find the number of people who live
Gwar [14]

Answer:

243,000 people

Step-by-step explanation:

First, what we need to do is to calculate the area of the region using the 5-mile radius

Mathematically, we can calculate this as the area of a circle

Area = pi * r^2

Our r here is 5 miles

Area = pi * 5^2 = pi * 25 = 78.54 square miles

Now to get the population, we know that per square mile we have 3,100.

Hence per 78.54 square mile, we have 78.54 * 3100 = 243,273 people

To the nearest thousand, 243,000

4 0
3 years ago
4/5 of a number is 32<br><br> Find the number.
nalin [4]

Answer: The number is 40

Step-by-step explanation:

We will set up an equation where 4/5 is being multiply by the number to get 32. we will represent that number  by x

4/5 * x = 32    solve for x

4/5x = 32  

0.8x = 32

 x = 40  

7 0
3 years ago
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Find the area of sector DEF (show work please)
Whitepunk [10]

Answer:

240

Step-by-step explanation:

360-120=240

4 0
2 years ago
1. What is the ratio of black to white squares? (1 mark)<br> I
kati45 [8]

im sure it would be 2:4. if it was to be simplified it would be 1:2

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2 years ago
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Explain to me in words how you would find the slope of this line and explain how you got your answer
Delvig [45]

Answer:

y=mx+b

Step-by-step explanation:

8 0
2 years ago
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