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professor190 [17]
2 years ago
9

What are the coordinates of the point (-1,9) after a clockwise rotation of 90 degree about the origin

Mathematics
1 answer:
Elina [12.6K]2 years ago
7 0

The rule for clockwise rotation of 90 degrees about the origin is (-y, x).

So (-1,9) would now be (-9,1).

Hope this Helps!!

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In the following​ exercise, does the problem involve permutations or​ combinations? Explain your answer. One hundred people purc
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Answer: Permutation is involved , since order of prizes matters.

The number of different ways the prizes can be​ awarded =95060

Step-by-step explanation:

Given : Total number of people purchase lottery tickets =100

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So order matters here, there for we use permutations .

The number of permutations of n objects taken m at a time is given by :-

^nP_m=\dfrac{n!}{(n-m)!}

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^{100}P_{3}=\dfrac{100!}{(100-3)!}=\dfrac{100!}{97!}\\\\=100\times98\times97=950600

0 0
3 years ago
can someone please help answer this, thank you, will give brainliest once i can, just please no spam answers, thank you!
AleksandrR [38]

Answer:

t=1p

Step-by-step explanation:

this problem is fairly easy. we will first do is set the equation to equal t also known as the total price. this is because you were trying to determine how much you will have to pay if she buys her food in bulk. you will then equal t to how much it will cost if the food is in bulk. to do this you will multiply 1 (this next she wants to buy weighs 1 kg) and multiply it by p (price per kilogram). Hope this helps!

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3 years ago
How to write ten and twenty-four hundredths
DENIUS [597]

The answer to this is 10.24

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Find the distance between each pair of integers. 9 and –1
Norma-Jean [14]

Answer: the distance is 10

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3 0
3 years ago
Addison worked 6 more hours this week than last week. In total, she worked 72 hours this week and last week. Using the equation
MArishka [77]

Answer:

h = 33 hours

Step-by-step explanation:

Given that,

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Hence, Adison worked for 33 hours last week.

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3 years ago
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