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Ilya [14]
2 years ago
7

Evaluate the function rule for the given value f(x)=3x for x=-4

Mathematics
2 answers:
nydimaria [60]2 years ago
5 0
F(-4) = 3(-4)
f(-4) = -12

Hope that helps.
Verizon [17]2 years ago
5 0

Answer:


Step-by-step explanation:

1/81 would be the correct answer to the equation hope this helps

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A random sample of 20 purchases showed the sample mean of $48.77 and the sample standard deviation s is $17.58. How large is the
laila [671]

Answer:

<h2>$5.03</h2>

Step-by-step explanation:

Given data          

Sample Mean (M):  $48.77  

Sample Size (n): 20

Standard Deviation (σ) :  $17.58

Confidence Level: 80%

 we know that z*-Values for 80% Confidence  Levels is 1.28

the expression for margin of error is given bellow\

MOE= z*σ/√n

We can now substitute into the expression and solve for the MOE as

MOE= 1.28*17.58/√20

MOE= 22.502/4.47

MOE= 22.502/4.47

MOE= 5.03

The margin of error for a 80 % confidence interval is $5.03

3 0
3 years ago
Simplify the algebraic expression 9+4(3c-1)
Natasha2012 [34]
9+4(3c-1)
13(3c-1)
39c-13

5 0
3 years ago
Find | P |<br><br> a. 15<br> b. 22<br> c. 24<br> d. 8
ankoles [38]

Answer:

c. 24

Step-by-step explanation:

15+9=24

5 0
3 years ago
5, 10, 12, 4, 6, 11, 13, 5<br> calculate the median <br> show your work
Zinaida [17]

First you want to organize it from least to greatest: 4, 5, 5, <em>6, 10</em>, 11, 12, 13

Then look for the one in the middle. But oh wait there are 2 so you need to add 6 and 10 then divide it by 2 to get a median of 8.

A song I learned back then is this I don't know who it is by though: Mode, mode, mode is the most, Average is the mean.Median, median, median, median, The number in between.

8 0
3 years ago
Read 2 more answers
What expressions are equivalent to z + (z + 6)z+(z+6)
Mariana [72]

z^{2} + 8z + 6

Simplifying:

z + (z + 6)z + z + 6=

z + z^{2}  + 6z + z + 6 =

z^{2} + 8z + 6

4 0
2 years ago
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