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Snowcat [4.5K]
3 years ago
15

point s has coordinates 2,5 if you rotate point s 90 degrees about the origin 0,0 what are the coordinates of s

Mathematics
1 answer:
Volgvan3 years ago
8 0
The answer is 2,-5 you put the points are in the same spot just rotated
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The numerator and the denominator of a fraction are thirteen and fifty, respectively. When a certain number is added to this num
Talja [164]
(13 + x)/(50 - x ) = (2/1)
Cross Multiply
2(50-x) = 1(13 + x)
100 - 2x = 13 + x
add 2x to both sides
100 -2x + 2x = 13 + x + 2x
100 = 13 + 3x
Subtract 13 from both sides
100 - 13 = 13 - 13 + 3x
87 = 3x
divide both sides by 3
29 = x

(13 + 29)/(50-29) = 42/21 = 2 to 1 ratio
7 0
3 years ago
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Which property is used in the problem below?
jok3333 [9.3K]

Answer:

Step-by-step explanation:

What you are doing is removing the  brackets. That shows up as multiplying both terms inside the brackets by the factor outside the brackets (2).

This is a classic example of the distributive property.

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3 years ago
Use the distributive property to simplify: -7 (3m - 4)
german

Answer: -21m+28

Step-by-step explanation:

-7(3m-4)

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8 0
3 years ago
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7 0
3 years ago
Given: circle k(O), ED diameter, m∠OEF=32°, m EF=(2x+10)°. Find: x
Snezhnost [94]

Answer:

The value of x is 53\°

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of arc DF

we know that

The inscribed angle measures half that of the arc comprising

so

m

we have

m

substitute

32\°=\frac{1}{2}(arc\ DF)\\ arc\ DF=64\°

step 2

Find the measure of x

we know that

arc\ DF+arc\ EF=180\° ---> is a semi circle

we have

arc\ DF=64\°\\ arc\ EF=(2x+10)\°

substitute

64\°+(2x+10)\°=180\°\\ 2x\°=180\°-74\°\\ 2x\°=106\°\\ x=53\°

4 0
3 years ago
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