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vekshin1
3 years ago
6

The standard normal curve shown here is a probability density curve for a continuous random variable. This means that the area u

nderneath the entire curve is 1. What is the area of the shaded region between the two z-scores indicated in the diagram?
Mathematics
1 answer:
faust18 [17]3 years ago
6 0

the answer is 0.7068

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What is the slope of the line formed by (7,1) and (-3,3)?
sweet [91]

Answer:

JMK

Step-by-step explanation:

3 0
3 years ago
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Simplify: (5 + i)(5 − i) <br> A) −12 <br> B) 24i <br> C) 26 <br> D) 8i
Fofino [41]

Answer:

C) 26

Simplify using the FOIL method--used to multiply binomials--and then combine real and imaginary parts of the problem.

5 × 5 = 25 + positive 1(i) = 26

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2 years ago
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riley makes a mistake in step 2 while doing her homework. What was her mistake? StartFraction x Over x squared minus 5 x + 6 End
exis [7]

The mathematical mistake that Riley made is that: "She used the wrong common denominator." (Option A)

<h3>What is a Common Denominator?</h3>

A common denominator is a factor that is similar to all the fractions in the sequence of equations.

Hence the correct answer is:

(2(2x² - 6x + 9))/((x-3) (x-2) (x+3))

See the correct sequence of steps below:

Step One - the Expression is given as:

(x/(x-3)(x-2)) + (3/(x+3))

Step 2 - Find the common denominator and rewrite the expression so that the numerators are above the common denominators.

Hence we have:  (x (x+3) + 3(x-3) (x-2))/(x-3)(x-2)(x+3)

Step 3  Apply the Law of Multiplicative Distribution:

Hence we have  (x² +3x+3x²-9x-6x+16)/(x-3)(x-2)(x+3)

Step 4 -  Collect Like Items

This gives us: (x²+3x²)+(3x-9x-6x)+18/(x-3)(x-2)(x+3)

Step 5 Sort for like coefficients

This gives us:  ((1+3)x² +(3-9-6) * x + 18)/(x-3)(x-2)(x+3)

Step 6 -  check for the sum or difference

This gives us: (4x²+(3-9-6) * x+ 18)/(x-3)(x-2)(x+3)

We simplify and factor the expression to get

(2(2x²-6x+6)/(x-3)(x-2)(x+3).

Learn more about Common Denominators at:

brainly.com/question/542317

#SPJ1

4 0
1 year ago
In HIJ∆ determine the measure of H∠ to the nearest degree.
olga nikolaevna [1]
Use the law of sines. The sine of the given angle divided by its opposite side is equal to the sine of that unknown angle at the top left divided by the other given side (it's too small for me to read the diagram you provided). And remember, once you have two of the angles, start with 180, subtract the two angles that you do have and you will get the third angle.
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3 years ago
"When the net is folded into the rectangular prism shown beside it, which letters will be on the front and back of the rectangul
otez555 [7]
This must be drawn ( in the attachment ).
Answer: A ) The letter on the front will be C.
Download docx
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3 years ago
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