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umka2103 [35]
3 years ago
11

What is the percentage of those who try in one year to quit smoking cigarettes on their own actually succeed

Mathematics
1 answer:
Serjik [45]3 years ago
4 0
The percent of people of smoke cigarettes is 20.9%..
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What is the length of EF?
ANEK [815]
The slope is 5/4.

5²+4²=41
√41=6.4
EF=6.4 units.
3 0
3 years ago
Read 2 more answers
USE ESTIMATION Mr. Lycan is considering buying clay from two art supply companies. Company A sells 50-pound containers of clay f
Anettt [7]

Answer:

y=$24x+$42 A

y=$28x×$25 B

Step-by-step explanation:

8 0
3 years ago
What is the equation in point slope form of the line that passes through the point (–1, –3)(–1, –3) and has a slope of 4?
ArbitrLikvidat [17]
The equation ofa line that passes throug (x1,y1) and has s slope of m is
y-y1=m(x-x1)

given
point is (-1,-3) and slope=4

y-(-3)=4(x-(-1)) or
y+3=4(x+1)

B is the answer
6 0
3 years ago
How do you do these questions?
Tanzania [10]

Answer:

μ ≈ 2.33

σ ≈ 1.25

Step-by-step explanation:

Each person has equal probability of ⅓.

\left[\begin{array}{cc}X&P(X)\\1&\frac{1}{3}\\2&\frac{1}{3}\\4&\frac{1}{3}\end{array}\right]

The mean is the expected value:

μ = E(X) = ∑ X P(X)

μ = (1) (⅓) + (2) (⅓) + (4) (⅓)

μ = ⁷/₃

The standard deviation is:

σ² = ∑ (X−μ)² P(X)

σ² = (1 − ⁷/₃)² (⅓) + (2 − ⁷/₃)² (⅓) + (4 − ⁷/₃)² (⅓)

σ² = ¹⁴/₉

σ ≈ 1.25

3 0
3 years ago
What's the fraction root of 9 over 49?
irakobra [83]
<span>√9/49

First you figure out the square root of 9 which is 3 since 3 x 3 equals 9. Then you find the square root of 49 which is 7 since 7 x 7 equals 49. Therefore, the answer is 3/7</span>
5 0
3 years ago
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