2 years ago

Solve all these to be marked the brainlest

Mathematics

1 answer:

Airida [17]2 years ago

7 0

5. A^2 = 91
6. A = 12.2

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malfutka [58]

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3 years ago

A local am radio station broadcasts at a frequency of 764 khz. calculate the energy of the frequency at which it is broadcasting

pentagon [3]

The frequency of the emitted radio waves is:
$f=764 kHz = 7.64 \cdot 10^5 Hz$

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$E=hf$
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3 years ago

Find the value of x. Then find the measure of each labeled angle.

adell [148]

Answer:

x = 111

Step-by-step explanation:

x + x - 42 = 180 {Lines are parallel. So, they are supplementary}

2x - 42 = 180

Add 42 to both sides

2x - 42 + 42 = 180 + 42

2x = 222 {Divide both sides by 2}

x = 222/2

x = 111

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2 years ago