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xxTIMURxx [149]
3 years ago
5

What fraction of a circle is 80°?​

Mathematics
2 answers:
Umnica [9.8K]3 years ago
6 0
A circle is 100% so 80% would be 8/10 or 80/100
Liono4ka [1.6K]3 years ago
4 0

Answer:

2/9

Step-by-step explanation:

Simplify 80°/360°

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Write 3 addition facts that have the same sum as 5 + 9
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Answer:

10+4=14

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3 years ago
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Plot the vertices (–2, –8), (–2, 2), and (8, 2). What is the last vertex of the rectangle? What is the area of the rectangle? sq
Wewaii [24]

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The correct answer is option e) tempered.

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4 0
2 years ago
Calculate the frequency in hertz of photons of light with energy of 8.10 × 10-19 J.
stira [4]
The Planck–Einstein relation E=hv gives that E, the photon energy, is equal to h, Planck's constant, times <span>ν</span>, the frequency.

We can solve the equation in terms of frequency to get
v= \dfrac{E}{h}

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v= \dfrac{8.10 \times 10^{-19} J}{6.626 \times 10^{-34} Js}=1.22 \times 10^{15} s^{-1}=1.22 \times 10^{15} Hz
5 0
3 years ago
Prove that the point (2, 1) lies on the line with equation y = 3x – 5.
Oxana [17]

Answer:

3(2) - 5 = 1

Step-by-step explanation:

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(x, y)

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1 = 3(2) - 5

1 = 6 - 5

1 = 1

true

6 0
3 years ago
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