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aleksandrvk [35]
3 years ago
8

9.27*0.75 show work

Mathematics
1 answer:
Nastasia [14]3 years ago
7 0

Answer:

Step-by-step explanation:

     9.27

 <u>   x0.75</u>

     4635

<u>+  64890</u>

69525

since we are multiplying you count the number of place you have the decimal in your original problem to put that in your answer.

To make 9.27 a whole number you would have to move the decimal right 2 places.  Also move .75 two places.

So you work backwards from your whole number answer and move the decimal to the left 4 places making it 6.9525

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The Regression Equation Suppose in this semester, our Exam 1 average was about 85 with an SD of about 12. Suppose the correlatio
kirill [66]

Answer:

0.410

Step-by-step explanation:

We are predicting exam 2 scores from exam 1 scores so the dependent variable y is exam 2 scores and independent variable is exam 1 scores x.

The regression equation is

y=a+bx

Where y is exam 2 scores and x is exam 1 scores.

We are given that

correlation coefficient=r=0.6.

Mean and standard deviation of x are xbarx=85 and Sx=12.

Mean and standard deviation of y are xbary=82 and Sy=8.2.

The slope b for this scenario can be found as

slope=b=r\frac{Sy}{Sx}

slope=b=0.6(\frac{8.2}{12} )

slope=b=0.6(0.6833)

slope=b=0.41

Thus, the slope of the regression equation for predicting  Exam 2 scores from Exam 1 scores is 0.410.

5 0
3 years ago
Need help here plss
goldenfox [79]

Answer:

see below

Step-by-step explanation:

Thankfully, these inequalities are already simplified, so all we have to do here is graph the inequalities as they are.

To graph y > 2x - 3, first draw the line y = 2x - 3. Make sure to make the line dashed because the sign is ">", which means that the points on the line do not belong to the solution set. Now, we need to figure out which side of the line to shade on. Since the sign is ">", that means that we will shade "above" the line, or on the left side of it. (This is the blue area in the image.)

Repeat a similar process to graph y < x + 1. As usual, first draw the line y = x + 1, and again, make it a dashed line since the sign is "<". And since the sign is "<", that means that we will shade "below" the line, or on the right side of it. (This is the red area in the image.)

The solution set to this system is the area where the two shaded areas overlap, which is the purple area in the image below. Hope this helps!

4 0
3 years ago
Can someone help me with this? look at picture
nika2105 [10]

Answer:

19 (using "3.14" as pi)

18.99036781...(using pi button)

Step-by-step explanation:

Formula: C=dπ

so, (59.66)=dπ

you would divide circumference (C) by pi which will get you the answers above :)

hope this helped

7 0
4 years ago
Clear Prints charges $2 per
Nookie1986 [14]

Answer:idk

Step-by-step explanation:

Idk

8 0
4 years ago
URGENT! WILL MARK BRAINLIEST!
Sergeu [11.5K]

Answer:

Hi! Your answer will be : 599.37!

Step-by-step explanation:

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4 years ago
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