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3 years ago

Amir can run 15 kilometers in one hour. How many kilometers can Amir run per minute?

Mathematics

1 answer:

inysia [295]3 years ago

5 0

Amir can run 0.25 kilometers per minute.

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3/4x - 1 = 1/2x + 7

bazaltina [42]

The answer is D, good night

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2 years ago

Natilie invested $200 in a savings account that earned 4% simple interest each year. She invested for

dexar [7]

Answer:

16.32 made in interest

216.32 in total

Step-by-step explanation:

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2 years ago

(If A+B+C=180) tan 2A + tan 2B + tan 2C = tan 2A tan 2B tan 2C

zavuch27 [327]

Step-by-step explanation:

Hey there!

See explanation in picture.

Hope it helps....

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2 years ago

What is the difference between a rate that is compounded annually and a rate that is compounded semiannually

8090 [49]

Answer:

the rate compounded semi-annually is compounded twice in a year. thus, this rate is higher than the rate compounded annually which is compounded once in a year

Step-by-step explanation:

The formula for calculating future value:

FV = P (1 + r/m)^mn

FV = Future value

P = Present value

R = interest rate

N = number of years

m = number of compounding

For example, there are two banks

Bank A offers 10% rate with semi-annual compounding

Bank B offers 10% rate with annual compounding.

If you deposit $100, the amount you would have after 2 years in each bank is

A = 100x (1 + 0.1/2)^4 = 121.55

B = 100 x (1 + 0.1)^2 = 121

The interest in bank a is 0.55 higher than that in bank B

3 0

2 years ago

CAN SOMEONE HELP ME !!!!!!!!!

MissTica

Answer:

She will get 80mg of dextromethorphan and 800mg of guaifenesin. And the bottle last for 6 days approximately.

Step-by-step explanation:

Given that the Robitussin DM contains dextromethorphan 10mg/5mL and gualfenesin 100mg/5mL. And we are also given that Mrs Smith took four doses and each dose is 2 teaspoons=2X5=10mL.

So, four doses=4X10=40mL.

So, dextromethorphan in 4 doses is = $\frac{10}{5}X40=80mg$

And Guaifenesin in 4 doses is = $\frac{100}{5}X40=800mg$

Dosage of medicine daily she has to take=40mL and the bottle contains 237 mL. Hence the number of days bottle last = $\frac{237}{40}=5.925$ ≈6 days approximately.

7 0

2 years ago