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Mandarinka [93]
3 years ago
6

What is the image of the point (-2, 4) after a rotation of 180° counterclockwise

Mathematics
1 answer:
elena55 [62]3 years ago
8 0

Answer:(2,-4)

Step-by-step explanation: The formula to find a point for a 180° rotation about the origin is (x,y)-> (-x,-y) Therefore -2->2 and 4-> -4

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43.96

Step-by-step explanation:

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a merchant gains 15% by selling an article for $ 150. by how much does he sell it to double his profit ?​
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30/100×150=

24/5%, that is the answer

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sophia spent 6;247 rand on her trip. She exchanged the rand she had left for U.S dollars. The exchange rate was one rand to $0.1
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3 years ago
A grocer has 36 apples and 20 pears. The grocer arranges the fruit into groups that have the same ratio of apples to pears as th
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Answer:

Therefore no of apples in that group is 18

Step-by-step explanation:

Given:

No. of apples = 36

No. of pears = 20

Also it is given that grocer arranges the  fruit into groups that have the same ratio of apples to pears as the whole collection of fruit.

first we find the ratio of apples and pears in whole collection which is given below

No. of apples/No. of pears  = 36/20 = 9/5

Now its a problem of ratio

It is given that no of pear in one group is 10

Let the  no of apples in that group be X

According to the question

No. of apples in whole collection/ No. of pear in whole collection = No. of apples in the group/ No. of pears in the group  -------------> A

9/5 =X/10

=> X = (9*10)/5 = 18

Therefore no of apples in that group is 18.

8 0
3 years ago
In August, Cory begins school shopping for his triple daughters. Part A One day, he bought 10 pairs of socks for $2.59 each for
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Answer: $36.69


Step-by-step explanation:

Okay, so let's first write the equation:

2.59*10 + 3d = 135.97

Now, let's work on isolating d by first simplifying the equation:

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25.9 + 3d - 25.9 = 135.97 - 25.9

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Okay, now let's check:

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25.9 + 110.07 = 135.97

135.97 = 135.97

Okay, so so it costs $36.69 per pair of shoe.

5 0
2 years ago
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