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Kay [80]
2 years ago
8

Help I need help with the chart the most!!!

Mathematics
1 answer:
Gemiola [76]2 years ago
6 0
(a) and (b) looks correct

(c) Here's how my table looks like:

15    -18      324
27    -6       36
28    -5       25
34     1         1
42     9        81
52     19      361
           SUM 828

(d) Take the sum of 828 and divide it by 6 to get 138.  Now take the square root of 138 to get the standard deviation:

sqrt(138) ≈ 11.75
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A graph is shown below:
Charra [1.4K]

Answer:

The correct answer is actually B. x - 3y < 5

Step-by-step explanation:

Because you must convert the equation to y-intercept form first.

Which makes it y = 1/3x - 1.6

So y = 1.6 and using the slope of 1/3x you can find that x = 5

3 0
3 years ago
A store is having a sale to celebrate president's Day. Every item in the store is advertised as one fifth off the original price
olya-2409 [2.1K]
1/5th off = 20% off

80% = $140
1% = $1.75
100% = $175

Answer is $175
6 0
3 years ago
Please help me it is very much appreciated
pshichka [43]
<h2>C</h2>

Hope it helps you!

-miraculousfanx-

7 0
3 years ago
3(8 - 4x) = 12<br><br> Please help. You have to use distributive property to solve.
____ [38]

Answer:

x=1

Step-by-step explanation:

First, we distribute the 3 to the 8 and the 4x.

Now we have 24-12x=12

Then, we subtract 24 from 12

Now we have -12x=-12

Finally, we devide -12 by -12

Now we have x=1

Hope that helps!

8 0
3 years ago
Which could be the area of one face of the triangular prism? Check all that apply
Sever21 [200]

Area of rectangles = Length x width.

Area of triangles = 1/2 x base x height.

1 face is 12 x 10 = 120 square units

1 face is 12 x 8 = 96 square units

1 face is 12 x 6 = 72 square units

And 2 faces are 1/2 x 8 x 6  = 24 square units

Answers are 24 , 72 and 96 square units.

5 0
3 years ago
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