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Delvig [45]
3 years ago
11

Find the difference between 7/10 and 14/15

Mathematics
1 answer:
Phantasy [73]3 years ago
6 0

Answer:

the difference between the two fractions is 1/10

Step-by-step explanation:

when solving this problem you must switch the denominators to the same number. in this case thats 30. so 10*3 is 30 and 15*2 is 30. so then we multiply 7*3 to get 21 and 14*2 to get 24. so now we have 21/30 and 24/30, so then we compare. and we end up with 3/30, we simplify the answer to 1/10.

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Tan^-1[-squareroot3/3] what is the degree
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Answer:

150˚ or 330˚

Step-by-step explanation:

It is easier to use the calculator, but you can use the unit circle too.

Calculator:

Plug in the equation without the negative, and you get 30˚ which is your reference angle. But since tangent is negative, the angle is in either the second quadrant, or the fourth (because tangent is negative in these quadrants). Now using your reference angle, you can find the answer.

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3 years ago
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liraira [26]

Answer:

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.2=2/100

Step-by-step explanation:

make an equality:

x/(8/5)=2/100

it kinds looks weird on here but write it out on paper

then cross multiply:

100x=(2)(8/5)

100x=16/5

now divide each side by 100:

x=4/125

same for the second one:

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x/2=2/100

cross multiply:

100x=(2)(2)

100x=4

x=1/25

6 0
3 years ago
Use the substitution method to solve the system of equations. choose the correct ordered pair. 2x - y = 103x - 2y = 8
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3 years ago
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