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LuckyWell [14K]
3 years ago
15

Frank deposited $100 into an account that earns 4% interest which is compounded 4 times per year how much will frank have in his

account in 3 years
Mathematics
2 answers:
Dafna1 [17]3 years ago
7 0
A=100×(1+0.04÷4)^(4×3)
A=112.68
kolbaska11 [484]3 years ago
3 0

Answer:

A=100×(1+0.04÷4)^(4×3)

A=112.68

Step-by-step explanation:

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Which expression is equivalent to 3 b minus 1? 5 b + 3 minus b minus b minus 4 5 b + 3 minus 2 b minus 5 2 b minus 5 + b minus 4
charle [14.2K]

Answer: 5b + 3 - b -b - 4

Step-by-step explanation:i think thats the answer pls mark brainliest

8 0
3 years ago
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I don’t understand helpppppooppoppppp
liraira [26]

Answer:

length is 20 and the width is 5

Step-by-step explanation:

so Area is 100

Area = width * length

legth = 4 * width

This means:

Area = width * 4 width =>  Area = 5 * width

We know that area is 100 so:

100 = 5 * width

that means width = 20, but wait didn't I say that the length is 20? Yes, remember we said length = 4 * width at the beginning, so <u>length = 20</u>.

Now we can easily calculate width as width is 4 times smaller than length, so:

<u>width = 20/4 => 5</u>

We can also test if this is correct by simply using the formula to calculate rectangle. So 5 * 20 = 100, correct!

7 0
3 years ago
Which of these is divisible by 3 and 4?
Leokris [45]
One number that is divisible by both 3 and 4 is 12. Any multiple of 12 is also divisible by both 3 and 4, such as 24, 36, 48, etc.
7 0
3 years ago
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the
Vesna [10]

Answer:

A sample size of at least 1,353,733 is required.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of .

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.327.  

You would like to be 98% confident that you esimate is within 0.1% of the true population proportion. How large of a sample size is required?

We need a sample size of at least n.

n is found when M = 0.001.

Since we don't have an estimate for the proportion, we use the worst case scenario, that is \pi = 0.5

So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.001 = 2.327\sqrt{\frac{0.5*0.5}{n}}

0.001\sqrt{n} = 2.327*0.5

\sqrt{n} = \frac{2.327*0.5}{0.001}

(\sqrt{n})^{2} = (\frac{2.327*0.5}{0.001})^{2}

n = 1353732.25

Rounding up

A sample size of at least 1,353,733 is required.

5 0
3 years ago
Rx+9/5=h, Solve for the value of x
muminat

rx+(9/5)=h 

rx=h-(9/5) 

x=(h-(9/5))/r

5 0
3 years ago
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