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Pani-rosa [81]
3 years ago
9

What percent of 200 calories is 8 calories?

Mathematics
1 answer:
Airida [17]3 years ago
7 0

Answer:

4percents

Step-by-step explanation:

200-100 percents

8- xpercents

200/8=100/x

x=4

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The the intensity I of light (in lumens) in a certain lake at a depth of x feet is given by log(1/12) = -0.00235x. What is the i
ch4aika [34]

Answer:

11.45 lumens

Step-by-step explanation:

We are given that

log(I/12)=-0.00235x

Where x=Depth

I=Intensity of light

We have to find the intensity of the light at a depth of 20 feet.

Substitute the value of x

log(I/12)=-0.00235\times 20

log(I/12)=-0.047

\frac{I}{12}=e^{-0.047}

I=12e^{-0.047}

I=11.45 Lumens

Hence, the intensity of the light (in lumens) at a depth of 20 feet=11.45 lumens

4 0
2 years ago
The circumference of a circular field is 276 yards. What is the diameter of the field? Round your answer to the nearest hundredt
stiv31 [10]

Answer:

d ≈ 87.85 yards

Step-by-step explanation:

The circumference ( C) of a circle is calculated as

C = πd ( d is the diameter ), then

276 = πd ( divide both sides by π )

\frac{276}{\pi } = d , so

d ≈ 87.85 yards ( to the nearest hundredth )

6 0
3 years ago
The value of the 8 in 89.945 is how many times rhe value of the 8 in 763.186
trasher [3.6K]

Answer:

1000x

Step-by-step explanation:

8 0
3 years ago
Tonisha has a lemonade stand. She has $25 in expenses and wants to make at least $55 per day.
Novosadov [1.4K]

Hello!

Your answer is:

x-31 ≥ 66⇒x ≥ 97!

Hopefully this helps! Please correct me if im wrong! :C

5 0
3 years ago
Keith exercises x hours a week. Troy exercises three hours less than Keith and Joe exercises two times more than Troy. Which exp
muminat
If you would like to know which expression represents the amount of time Joe exercises, you can calculate this using the following steps:

Keith ... x hours a week
Troy ... three hours less than Keith: x - 3
Joe ... two times more than Troy: 2 * (x - 3)

The correct result would be D) 2 * (x - 3).
7 0
2 years ago
Read 2 more answers
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