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Alex Ar [27]
3 years ago
15

in 15 seconds, connor counts 7 vehicles passing by his house. At this rate how many vehicles would pass by in 5 hours

Mathematics
1 answer:
lesya [120]3 years ago
8 0
Multiply by 4 to get to one minute —>28.
Multiply by 60 to get to one hour—> 1,680
Multiply by 5 to get to 5 hours—> 8,400
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3 years ago
If an investment account starts with $3,900, and grows with 2.1% interest, compounded annually, how much is the account worth af
zalisa [80]

Answer:

$5327

Step-by-step explanation:

Use the formula for calculating compound interest

A(t)=P(1+r/n)^n⋅t,

where A(t) is the balance of the account, P is the principal, r is the annual interest rate (as a decimal), n is the number of times the interest is compounded each year, and t is the time (in years). We are given that P=$3,900, r=0.021, n=1, and t=15. Substituting the values into the formula and using a calculator to evaluate, we find

A(t)=P(1+r/n)^n⋅t = $3,900(1+0.0211)^(15)(1) ≈ $5,326.61

So the final answer is $5,327.

3 0
3 years ago
Can anyone tell me if these answers are right?
k0ka [10]

Answer:

Ummm. 1 & 3 look good double check 2

Step-by-step explanation:

HELPFUL?

8 0
4 years ago
Mrs. Woods wants to give each of her 25 students a pencil on the first day
Nezavi [6.7K]

Answer

<h2><u><em>3 boxes</em></u> </h2>

Step-by-step explanation:

So she needs to give 25 pencils to each student.

1 box = 12

number of boxes = 25/12

                                  =2.08

round it to 3

<h2><em>Therefore she need </em><u><em>3</em></u><em> boxes</em></h2>

<em></em>

4 0
2 years ago
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