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julsineya [31]
2 years ago
8

It took a submarine 3 seconds to drop to 12 feet below sea level from the surface. what is the rate of descent

Mathematics
1 answer:
kotegsom [21]2 years ago
4 0
For everyone 4 feet he drops, 1 second will pass. (for everyone 1 second that goes by, he will be 4 feet lower)
12/3=4
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June was thinking of a number, she halves it and gets an answer of 24.3. What was the original number?
ehidna [41]
X:2=24.3
x=24.3 • 2
x=48.6
Answer is 48.6
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What is the volume of the sphere? Use 3.14 for and round to the nearest whole number.
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6 0
2 years ago
A service club is selling raffle tickets for 2.50 each to raise money for a charity. Vanessa has 34.75 to spend on raffle ticket
posledela

Answer:

13 Raffle tickets

Step-by-step explanation:

Cost for one riffle ticket = 2.50

Total money of Vanessa budgeted for riffle ticket : 34.75

Greatest number of riffle ticket, venessa can with with 34.75

I'll like us to divide 34.75 by 2.5 to get the exact value.

Therefore,

34.75 / 2.5

= 13.9

It therefore implies that, Vanessa will buy a maximum of 13 riffle tickets and still have a change of 2.25

4 0
3 years ago
If 800g of a radioactive substance are present initially and 8 years later only 450g remain, how much of the substance will be p
artcher [175]

A=Pe^(rt)

P = 800g

t = 8 years

A = 450g

r = This is what we will try and find to start with

450=800e^(r*8)

After running the math through a calculator, we end with r = -0.07192

Now we just re-input this information into our equation: A=800e^(-0.07192*16)

A=800e^(1.15072)

Now we will re-write the equation using the negative exponent rule:

A = 800 1/e^1.15072

Combine right side:

A = 800/e^1.15072

Then do the math:

A = 253.12709836......

That will give us A = 253 (rounded to the whole number)

I hope this helps! :)

5 0
3 years ago
This is due by 7pm i need help
Ad libitum [116K]

Answer:

bruh u need a link

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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