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3 years ago

A lighthouse flashes a beam of light once every 3/5 of a minute. How many times does it flash a beam of light in half an hour?

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

6 0

Answer:

Total number of flash = 50 flash

Step-by-step explanation:

Given:

Time taken of a flash = 3/5 minute = 3/5 × 30 = 36 sec

Total time = 30 minute = 30 × 60= 1800 sec

Find:

Total number of flash in 30 minutes

Computation:

⇒ Total number of flash = Total time / Time taken of a flash

⇒ Total number of flash = 1800 / 36

⇒ Total number of flash = 50 flash

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Sedaia [141]

Answer:

Distances:

A=1/2

B= 1

C= 3/2

Heights:

D= 1

E= 0

F= -1

Step-by-step explanation:

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3 years ago

The ratio of cats to dogs in an animal shelter is usually 4:3. If there are 60 cats, how many dogs are there? Show work.

MaRussiya [10]

Answer:

Step-by-step explanation:

60/4 = 15

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3 years ago

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Find the complete factored form of the polynomial -24a6b4-40a3

Naddik [55]

For this case we have the following polynomial:

$-24a ^ 6b ^ 4-40a ^ 3$

We must find the greatest common factor of the terms of the polynomial.

The GCF of the coefficients is given by:

$24 = 3 * 8\\40 = 5 * 8$

Then we look for the GFC of the variables:

We have then:

$a ^ 6 = a ^ 3a ^ 3\\a ^ 3 = a ^ 3$

Finally rewriting we have: $-24a ^ 6b ^ 4-40a ^ 3 = -8a ^ 3 (3a ^ 3b ^ 4 + 5)$

Answer:

the complete factored form of the polynomial is:

$-8a ^ 3 (3a ^ 3b ^ 4 + 5)$

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3 years ago

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geniusboy [140]

The answers would be A,B,D, and F!

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kolezko [41]

Answer:

I use app called math

way

Step-by-step explanation:

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