PLEEESE HELLLLLLP If you have a test average of 92 and a standard deviation of 1.8, you generally do well on tests.t f

Answers

Answer 1
Answer:
Yes, that's true PROVIDED your test scores are normally distributed.

If they are, then more than 99% of your test scores are within three
standard deviations of the mean. 

You told us that 3-sigma = 5.4 .  So less than one score out of every
hundred tests you take is lower than  86.6  or higher than  97.4 . 

You are remarkably consistent, so I guess Jupiter must have been
in its ascendancy next door to the house of Andromeda about an
hour before you were born, or some such nonsense.


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If you buy an item on November 24 in a ninety days same cash agreement when is the final payment due?

Answers

You can solve this with a calendar. So you need to count 90 days until the 90th day which is November 22,2016.

This is about slope

Answers

Ok the slope question
We should definitely know the slope formula:

m=y₂-y₁/x₂-x₁

m=(-2-2)/(-1-(-4))
   =(-4)/(3)

The slope of the line that passes through points (-4, 2) and (-1, -2) is (-4)/(3)
Please see the pic, I'd also solved it.

The intersection of the graph of two linear equations can be located on a cartesian grid by starting at the origin, moving 5 units to the left, and moving 7 units down. Which of these solution to the system of equations?A. X= -y= -5

B. X= -7; Y= 5

C. X= -5; Y= -7

D. X= 5; Y= 7

Answers

answer C x= -5 and y= -7

Evaluate: xy - x (x - y^0) if x = 2 and y = -1/2

Answers

Hi

2(-1/2) - 2(2+(-1/2)^0)
= -2/2 - 2(2+(-1/2)^0)
 = -1 - 2(2+(-1/2)^0)
= -1 -2 (2+1)
= -1 -2(3)
= -1 -6
= -7

I hope that's help :)

If you have any further questions please let me know :)

2(- (1)/(2) ) - 2(2+(- (1)/(2))^0)

- (2)/(2) - 2(2+(- (1)/(2) )^0)

-1 - 2(2+(- (1)/(2) )^0)

-1 -2 (2+1)

-1 -2*(3)-1 -2(3)

-1 -6

-7

Solve for x. ax+bx=21

Answers

ax + bx = 21

factor out x

x(a + b) = 21
x = 21/(a+b)
ax+bx =21
on factorising x, we get
x( a+b) =21
x = 21/a+b

Find an equivalent function to f(x) = 5(3)3x. f(x) = 125x(27)x
f(x) = 152x
f(x) = 5(27)x
f(x) = 135x

Answers

If you would like to find an equivalent function to f(x) = 5(3)^(3x), you can do this using the following steps:

f(x) = 5(3)^(3x) = 5(3^(3x)) = 5(27)^x = 5(27)x

The correct result would be f(x) = 5(27)x.

Answer:

The correct result would be f(x) = 5(27)x.

Step-by-step explanation: