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Diano4ka-milaya [45]
1 year ago
9

What is (2-) +3+ (-4)

Mathematics
1 answer:
serious [3.7K]1 year ago
7 0

Answer:

-5

Step-by-step explanation:

(2-) +3+ (-4)

2-3-4 ( minus * plus gives (-)

2-7

-5

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In ΔABC, m∠ACB = 90°, CD ⊥ AB and m∠ACD = 45°. Find: a Find CD, if BC = 3 in
Elodia [21]

Answer:

  CD = (3/2)√2

Step-by-step explanation:

All the triangles are similar isosceles right triangles, so the hypotenuse in each case is √(1²+1²) = √2 times the length of the corresponding legs. BC is the hypotenuse of ΔBCD, so leg CD is that length divided by √2.

  CD = BC/√2 = 3/√2

  CD = (3/2)√2

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3 years ago
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What are the results? What's the question?

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2 years ago
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Strike441 [17]

Answer:

See below for answers and explanations

Step-by-step explanation:

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7 0
3 years ago
What are the solutions of x2 = 8 - 5x?
jonny [76]

Answer:

That can be re-written:

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a=1

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x = [-5 +- sq root (25 - - 32)] / 2

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Step-by-step explanation:

5 0
3 years ago
Rewrite 5 2/3 as an improper fraction.
kupik [55]
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If you do that you should get 17/3
6 0
3 years ago
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