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Alina [70]
3 years ago
9

Subtract:

Mathematics
2 answers:
Kaylis [27]3 years ago
7 0
You can convert 4/5 to 12/15
then subtract the numerators
5/15 can be simplified to 1/3

Yuki888 [10]3 years ago
4 0
The correct answer is 1/3
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Calculate size of angle x. I worked out CA=14cm
nikdorinn [45]

Answer:

∠x = 13.43°

Step-by-step explanation:

area ΔABC = 1/2 ( BD x AC) = 1/2 (22 x AC) = 42

22 x AC = 84        AC = 84/22 = 42/11 = 3.82

CD = BD - BC = 22 - 6 = 16

AD² = AC² + CD² = (3.82)² + 16² = 270.59

AD = 16.45

sin ∠x = AC / AD = 3.82 / 16.45 = 0.2322

∠x = 13.43°

5 0
2 years ago
Subtract and simplify: 3x(5x + 2) – 2(x2 + x – 1)
Lostsunrise [7]

Answer:

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Step-by-step explanation:

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=

7.06608438

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,

−

0.56608438

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2 years ago
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3 0
2 years ago
Doing odd jobs in America <br>2000$ How much will it take to earn?​<br>I want to know time
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3 0
2 years ago
Solve, using linear combination.
Bingel [31]

Multiply the first equation by -1 to get  -4x - y = --5

Then add the second equation               3x + y = 3    

                                                           + ____________  

                                                                  -x = -2  or x = 2


then plug in 2 for x in one of the equations and solve for y      4(2) + y = 5  

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                           Subtract 8 from both sides                                        y = -3


                             So x = 2, y = -3     or (2,-3)                                  

8 0
3 years ago
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