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dedylja [7]
2 years ago
14

What percentage of the area under a normal curve is within 1, 2, and 3 standard deviations of the mean

Mathematics
1 answer:
Lemur [1.5K]2 years ago
7 0

Answer:

You need to have a labotomy sir

Step-by-step explanation:

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2(4y-5)=70<br><br>how u do this​
steposvetlana [31]

Answer:

Step-by-step explanation:

First you distribute so two times 4Y is 6Y then you multiply the two in the five which gives you 2Y -5 equals 70

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3 years ago
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Please help me solve this by substitution: <br> y=x+2<br> 3x+3y=6
VikaD [51]

Answer:

x = 0, y = 2

Step-by-step explanation:

  1. solve the equation for x

3x + 3(x + 2) = 6

2. Substitute the given value of x into the simplest equation y= x + 2

y = 0 + 2

3. Solve the equation for y

y= 2

4. The possible solution of the system is the ordered pair ( x, y)

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3 0
3 years ago
At a red-tag sale, all items with red tags have been marked down by 49%. What should be the sale price of a DVD player having a
ss7ja [257]
The answer is 119.8245. 49% of $234.95 is 115.1255 (.49 • 234.95 = 115.1255). Subtract $115.1255 from $234.95 to get the answer to get 119.8245 (234.95 – 115.1255 = 119.8245).
6 0
3 years ago
Choose a reasonable estimate. The height of your kitchen table: 68 cm ? 68m
Mademuasel [1]

Answer:

68 cm, 68 m is too big.

Step-by-step explanation:

8 0
2 years ago
W-8 when w = 20 can someone please help me?
Oxana [17]
Plug in 20 to W making 20-8, so your answer would be 12 :)
4 0
2 years ago
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