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Simora [160]
2 years ago
14

Express 40% of a right angle into radian measure​

Mathematics
2 answers:
Dovator [93]2 years ago
6 0
I would have to see the diagram
larisa [96]2 years ago
6 0

Answer:

a right angle is π/2 radians

Step-by-step explanation:

I have notes from my class but I know it is this and I hope I helped

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Simplify the expression.<br> 7h+(8.9d)-17+6d-3.4h
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-2 I think

Step-by-step explanation:

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Given: Triangles ABC and DBC are isosceles, m∠BDC = 30°, and m∠ABD = 155°. Find m∠ABC, m∠BAC, and m∠DBC.
just olya [345]
∠BDC=30, so ∠CBD + ∠BCD=180-30=150
ΔDBC is isosceles, so ∠CBD=∠BCD=half of 150=75
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ΔABC is isosceles, so ∠ABC=∠ACB=80
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3 years ago
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The length of the rectangle is 7/(x-4) feet, while its width is 5/x feet. Find its perimeter. Please help asap!!!!! :(
damaskus [11]

The perimeter would be (24x - 40)/(x^2 - 4x).

In order to find this, first double the length and width as you would to find any perimeter.

7/(x - 4) * 2 = 14/(x - 4)

5/x * 2 = 10/x

Now to add those together, we need to give them common denominators. In order to do that with the first one, we need to multiply by x/x

14/(x - 14) * x/x = 14x/(x^2 - 14x)

Then we can do the same with the second part by multiplying by (x - 4)/(x - 4)

10/x * (x - 4)/(x - 4) = (10x - 40)/(x^2 - 14x)

Now we can add the two together

14x/(x^2 - 14x) + (10x - 40)/(x^2 - 14x) = (24x - 40)/(x^2 - 14x)

3 0
2 years ago
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