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Paladinen [302]
3 years ago
11

Find x in the diagram

Mathematics
1 answer:
Dominik [7]3 years ago
3 0
It is 45 degrees because a straight line is 180, there is a right angle which is 90 and 45+45+90=180
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Use △GHJ, where A, B, and C are midpoints of the sides.
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The answer is 17 , i just know that’s it
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Please help taking a test and can’t figure it out!!!
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I’m pretty sure the answer would be A
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The sum of a students three scores is 217. If the first is 30 points more than the the second, and the sum of the first two is 1
nekit [7.7K]

Answer:

First score is 90

Step-by-step explanation:

Let A represent the first score

Let B represent the second score

Let C represent the third score

A+B+C=217 equation 1

If the first score A is 30 points more than the second,B

A=B-30  equation 2

Lastly,sum of A&B is 16 more than 2C

A+B=2C+16 equation 3

From equation 1

A+B=217-C equation 4

substitute for A+B in equation 3

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217-16=2C+C

201=3C

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substituting C in equation 4

A+B=217-67

A+B=150

if the first score more than the first,then the first 90 while second 60 since A+B=150

3 0
2 years ago
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What is the answer of a ?
Scorpion4ik [409]

Answer:

<h2>2.2</h2>

Step-by-step explanation:

Use the cosine law (look at the picture).

We have:

a=a\\b=4\\c=3\\\gamma=32^o

a^2=4^2+3^2-2(4)(3)\cos32^o

\cos32^o\approx0.848 → look at the second picture

a^2=16+9-24(0.848)\\\\a^2=25-20.352\\\\a^2=4.648\to a=\sqrt{4.648}\\\\a\approx2.2

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sattari [20]
Real because it’s 12345678910
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