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RideAnS [48]
3 years ago
11

The frequency (F) and length (L) of a wave are related by the following formula: F x L = 3.0 x 10^10. Consider that the waveleng

th of x-rays is 1 x 10^−11. What is the frequency of x-rays?
Mathematics
1 answer:
Ede4ka [16]3 years ago
5 0
F x L = 3x10^10
L = 1x10^-11
F= 3x10^10 / 1x10^-11 = 3x10^21 unit

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The club supplies 40 new balls for each player which cost $1 each. Each player pays $300 for the lessons. The club must pay each
den301095 [7]

Answer:

4 players and 1 instructor

Step-by-step explanation:

If all 4 players pay $300 each, that equals $1,200. The instructor will get $1,000 of it. That means there is $200 left. They need 40 balls per player. Each ball is $1, so that's $40 per player. 40 x 4= 160    200-160 = 40 The club will have $40 left.

5 0
3 years ago
Evaluate the function: f(x)= 2x+5, for x=3
JulijaS [17]
Replace X with 3 and simplify. The answer you would get is 11.
8 0
3 years ago
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Tina is 4 times older than Hanna. The sum of their ages is 40. How old is Hanna?
Ksenya-84 [330]

Answer:

<u>Hanna is 8 years old.</u>

Step-by-step explanation:

Hanna = x

Tina = 4x

Sum = 40.

Hanna =?

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Hanna is <u>8 years</u> old.

5 0
3 years ago
Karana's mom bought her two items using a credit card. The first item cost $235, and the second item cost $369. Later, she retur
mamaluj [8]

Answer:

C. 604

Step-by-step explanation:

Karana returned the items so you are adding the money back to the credit card which would be 604.  369 + 235 = 604

8 0
3 years ago
You are hiking on a trail that leads down from the top of a mountain. At 11 A.M. You are at an elevation of 5400 feet. At 3 P.M.
Tems11 [23]

Step-by-step explanation:

You hiked 5400 - 3800 = 1600 feet in 4 hours so the mean change is 1600 / 4 = 400 ft/hour.

5 0
3 years ago
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