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taurus [48]
2 years ago
9

What interest rate is needed

Mathematics
1 answer:
KatRina [158]2 years ago
5 0

Answer:

How to calculate interest rate

Step 1: To calculate your interest rate, you need to know the interest formula I/Pt = r to get your rate. ...

I = Interest amount paid in a specific time period (month, year etc.)

P = Principle amount (the money before interest)

t = Time period involved.

r = Interest rate in decimal.

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What is the formula for the confidence interval? Then, define what each variable represents.
Alisiya [41]
The confidence interval for a <span>(1−α)%</span> confidence level is given by
<span>
(<span>θ0</span>−<span>Z<span>α/2 </span></span><span>σ/√n</span>, <span>θ0</span>+<span>Z<span>α/2 </span></span><span>σ/√n</span>)

</span><span>θ0</span> is the measured statistic, <span>Z<span>α/2</span></span> is the cutoff/critical value, and <span>σ/<span>√n</span></span> is the standard error. σ is the population standard deviation (if known) or can be estimated by a sample standard deviation. n is the sample size. The cutoff value depends on the test you wish to use, and <span>θ0</span><span> depends on the statistic you wish to estimate.</span>
7 0
3 years ago
What are the solutions to the equation?
Maru [420]

rearrange the equation to where you set it equal to 0 by moving the 25 over.

n2 - 8n -9 = 0

now factor

(n-9)(n+1)

so n1 = 9

n2 = -1

6 0
3 years ago
Identify all the points that would lie on the line y=14x+4 . Answer Choices (8, 6) (-8, 5) (-16, 0) (-20, 1)
lukranit [14]
All points that lie in a given line with a defined equation, they satisfy the equation such that when the values of x and y are substituted they satisfy the given equation.
Substituting values of y and x in the equation y = 14x +4
(8,6), (-8,-5), (-16,0), (-20,1)  doesn't satisfy the equation.
therefore in this case there is no point that would lie in the line

5 0
3 years ago
What is the answer to this question
Ivanshal [37]

Answer:

-(4,-3)

Step-by-step explanation:

You need to find the slope from point o to b, and then multiply it three times to get to b prime.

5 0
3 years ago
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Vitek1552 [10]

Answer:

how many rubys are there

Step-by-step explanation:

7 0
3 years ago
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