3 years ago

6. The expected life of a calculator varies inversely with the amount of times a student

Mathematics

1 answer:

loris [4]3 years ago

6 0

9514 1404 393

Answer:

250 days

Step-by-step explanation:

If the number of drops increases by a factor of 20/8, the expected life will decrease by the inverse of that factor: 8/20.

The expected life is (8/20)(625 days) = 250 days.

You might be interested in

Solve x2 + 4x − 4 = 0.

bazaltina [42]

the answer will be x=1

4 0

2 years ago

Read 2 more answers

Unit form for 968.257

dimaraw [331]

Answer:

The unit form for 968.257 is 969

8 0

2 years ago

An element with mass 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest

vitfil [10]

Exponential decay is a very common process especially when we are talking about radioactive materials. So, there is already a common formula for this type of behavior which is written below:

A = Pe^-rt
where
A is the amount left after time t
P is the initial amount at t=0
r is the rate

Substituting the values,
A = (780 g)(e^-0.163*16)
A = 57.5 g

8 0

3 years ago

Which represents the value of Point C on the number line?

postnew [5]

Answer:

Step-by-step explanation:

clue what this means LOLOLOL

3 0

3 years ago

Read 2 more answers

ricardo purchased a bunk bed for his children fora sale price of $276.25. The sale price was 65% of the original price. Calculat

nikklg [1K]

Use the formula S=P-PD

S is sale price, original price is P, and PD is discounted percent,

276.25=P-P(.65), I turned the percent into a decimal.

276.25=P(1-.65)

276.25=P(.35)

Now cross multiply.

$\frac{276.26}{.35}=\frac{P(.35)}{.35}\\\\P=\frac{276.26}{.35}=789.31$

Hope this helps, now you know the answer and how to do it. Stay healthy and safe and HAVE A BLESSED AND WONDERFUL DAY! :-)

- Cutiepatutie ☺❀❤

6 0

3 years ago