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Stella [2.4K]
3 years ago
11

PLEASE HELP!!! 40 POINTS OFFERED!!

Mathematics
1 answer:
Andre45 [30]3 years ago
4 0

I could help you but please send me directions!

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A Floor is 27 Feet By 12 Feet,What is the square Foot Of that floor?
Y_Kistochka [10]

Answer:


Step-by-step explanation:

324 ft squared

6 0
3 years ago
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Which statement about converting metric units of measurement is true? Use the metric table to help answer the question.
Kamila [148]

Answer:

C.There are 6.8 kiloliters in 68 hectoliters.

Step-by-step explanation:

1 hectolitre = 100 litres

1 decilitre = 0.1 litre

1 kilolitre = 1000 litree

6.8 kilolitres = 6800 litres

Or 68 hectolitres

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3 years ago
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Michael has a weekly food budget of $62. If he plans to budget the same amount for each of the 7 days of the week, what is the m
garri49 [273]

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62/7

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8 0
3 years ago
Help me and you get 100 points and Brainliest
OlgaM077 [116]

hey someone else has already answered this!

a. To find the least squares regression equation for a group of (x,y) points:

Step 1: For each point(x,y), we need to calculate x² and xy first.

Step 2: Sum all x, y, x² and xy, which gives us Σx, Σy, Σx² and Σxy

Step 3: Calculate Slope m: m = (NΣxy − Σx Σy)/ N(Σx²) − (Σx)² , here N is the number of data.

Step 4: Calculate Intercept b: b = Σy − m(Σx)/ N

Step 5: Assemble the equation as y= mx+b

Here, we have ∑x = 120, ∑y= 1379, ∑x²= 919.5, ∑xy= 10466 and N= 16

So, m= (NΣxy − Σx Σy)/ N(Σx²) − (Σx)²

=

=

=  

= 6.33

and b = Σy − m(Σx)/ N

=

=

=

= 38.71

So, the least squares regression equation is : y= mx+b ⇒ y= 6.33x +38.71

b. When x= 8, then y= (6.33×8)+38.71 = 50.64 + 38.71 =89.35

The approximate test score of a student who sleeps an average of 8 h a night is 89.35%

EVERYTHING IS FROM sicista on brainly!

8 0
3 years ago
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You have 60 CD cases that you would like to store on a shelf that is 24 inches long. if each CD case is 3/8 inch wide, is there
Jet001 [13]
Yes you do.

The shelf is 24 in. long, so to fit, the total width of all the cases must be < 24 in.

If each case is 3/8 inches:
60 * 3/8 = 22.5

22.5 < 24, therefore they will all fit.
5 0
3 years ago
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