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Ivenika [448]
3 years ago
15

Evaluate the expression for 9x-3

Mathematics
1 answer:
adell [148]3 years ago
7 0

Answer:

-27

Step-by-step explanation:

can you be my friend

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Answer:

First option

Remove 2 tiles

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3 years ago
Derivative of sin (x^(1/3)) + (sinx)^(1/3)
Strike441 [17]
1/3 x^(-2/3) cos (x^1/3) + 1/3(sinx)^-2/3 .cos x



8 0
4 years ago
Read 2 more answers
The housing market has recovered slowly from the economic crisis of 2008.​ Recently, in one large​ community, realtors randomly
k0ka [10]

Answer:

The 99​% confidence interval for the mean loss in value per home is between $5359 and $13463

Step-by-step explanation:

We are in posession of the sample's standard deviation, so we use the student's t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 45 - 1 = 44

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 44 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995([tex]t_{995}). So we have T = 2.6923

The margin of error is:

M = T*s = 1505*2.6923 = 4052.

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 9411 - 4052 = $5359

The upper end of the interval is the sample mean added to M. So it is 9411 + 4052 = $13463

The 99​% confidence interval for the mean loss in value per home is between $5359 and $13463

4 0
4 years ago
The sum of two numbers is 12. 3 times the first number decreased by the second number is 24. Find the numbers.
lana [24]

Answer:

9 and 3

Step-by-step explanation:

Let the first number be x and second number be y hence their sum

x+y=12 ......(1)

Making x the subject theb x=12-y

Three times be first number is 3x

3x-y=24.......(2)

Adding the two sets of equations then

4x=36

X=36/4=9

The second number will be 12-9=3

So the first number is 9 and second is 3

6 0
4 years ago
Suppose Aldo borrows $5500 at an interest rate of 9% compounded each year assume that no payments are made on the loan how much
ollegr [7]
11,990

9% of 5500 is 495
(495+5500) [one year] x 2 [two years] = $11,990

At the end of 2 years, Aldo will owe $11,990.
3 0
4 years ago
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