What is the value of 2/3 + 1/2 of (1/2 - 1/6) / 2/3 + 1/4

Mathematics

1 answer:

hammer [34]2 years ago

5 0

Answer:

In fraction form: 77/24

In decimal form: 3.20833

Step-by-step explanation:

That took me a while to solve but that’s the correct answer.

Hope that helps! :)

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What is 832.248 rounded to the nearest tenth? A. 830 B. 832.2 C. 832.25 D. 832.3

OleMash [197]

Hi there.

To start, we have to understand where the ten the place is.

Hint: it's 1 place behind the decimal point.

Now we need to know what numbers behind the tenths place make it round up or down.

If the number behind it is 4 or under, round down.

5 & up, round up.

In this case, 830.248 has 2 numbers behind the decimal, so we have to round those THEN the 2 in the tenths place.

830.25 to 830.3

Your answer is D. 830.3

I know this was lengthy, sorry. Just wanted to explain :p

4 0

2 years ago

A cook makes vegetable barley soup by mixing 2 pounds of barley into 7 quarts of vegetable broth. Assume that the cook continues

grandymaker [24]

Answer:

10 lbs

Step-by-step explanation:

7 qts x 5 qts = 35 qts broth

2 lbs x 5 lbs = 10 lbs barley

8 0

2 years ago

PLEASE HELP! 35 POINTS

nignag [31]

no solution, they are all the same line

4 0

2 years ago

A cold drink is poured out at 52°F. After 2 minutes of sitting in a 72°F room, its temperature has risen to 55°F. Find an equati

I am Lyosha [343]

Answer:

The model for the temperature of the drink can be written as

$T=72-20e^{-0.08t}$

Step-by-step explanation:

For a cold drink in a hotter room, we can say that the rate of change of temperature of the drink is proportional to the difference of temperature between the drink and the room.

We can model that in this way

$\frac{dT}{dt}=k*(T_r-T)$