Find the area of the polygon, the vertices are (1,4) (2,1) (4,1) (5,4)

Answers

Answer 1

Answer:

so the answer is 9. hope this helps.

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What are the factor of 12 but not a multiple of 4

Answers

First, you should list the factors of 12. Keep going until you see a number that isn't a multiple of 4.

1 and 12
2 and 6
3 and 4

2, 6, and 3 are all factors of 12 and none of them are multiples of 4.

Some factor of 12 but not a multiple of 4 is 2,3,1, and 12

If nCr : (n+1)Cr : (n+2)Cr = 1:3:7, find the values of n and r.

Answers

Answer:

r=4, n=5

Step-by-step explanation:

Can someone help me with these questions?

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use the unit circle for the trigonometric identities

Tara has two standard, six-sided dice. If she rolls them 36 times, how many times should she expect a sum less than 5 to show up? Justify your answer.

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There are six sides on each die. For each possible score on Die 1, there are six possible scores on Die 2. So the number of possible combinations is 6*6 = 36.
It follows that if the dice are thrown 36 times, you would expect each combination to come up once.

We therefore simply need to know how many combinations add up to less than 5. (I've interpreted this as not including a total of 5 itself).
These combinations are: 1 and 1, 2 and 1, 1 and 2, 2 and 2, 3 and 1, and 1 and 3 ---> six combinations out of 36.

So you'd expect a sum less than 5 six times.

the Town Council had a banquet as a fundraiser for new playground equipment they sold 250 tickets for a total of 5,625. The expenses for the banquet were 6,182.50. What were the results of the town council's banquet?

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gain = 250(5625) = 1406250
cost = 6182.5
revenue = gain - cost = 1406250 - 6182.5
revenue = 1400067.5
the results of the town banquet is that the total revenue is 1400067.5

What is 1/10 of 3,000

Answers

1/10 of 3000 is equal to 300

Answer:

300

Step-by-step explanation:

You take your 3000 and write it down. When you are dividing numbers and fractions, you divide by the bottom and multiply by the top. Following this, we know that 1/10 is equal to divided by 10. You now go back to that paper and look at your 3000. Divided by 10 is just moving the decimal point one to the left. that leaves you with 300.0, or 300.

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