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Sidana [21]
3 years ago
12

Simplify the expression: 6 + 2(7x + 3),

Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0

Answer:

14x+12

Step-by-step explanation:

6 + 2(7x + 3)

= 6+14x+6

= 14x+12

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A simple random sample of size n equals 200 individuals who are currently employed is asked if they work at home at least once p
____ [38]

Answer: 99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

Step-by-step explanation:

<u>step 1:-</u>

Given sample  size n=200

of the 200 employed individuals surveyed 41 responded that they did work at home at least once per week

 Population proportion of employed individuals who work at home at least once per week  P = \frac{x}{n} =\frac{41}{200} =0.205

Q=1-P= 1-0.205 = 0.705

<u>step 2:-</u>

Now  \sqrt{\frac{P Q}{n} } =\sqrt{\frac{(0.205)(0.705)}{200} }

=0.0015

<u>step 3:-</u>

<u>Confidence intervals</u>

<u>using formula</u>

(P  -  Z_∝} \sqrt{\frac{P Q}{n},} (P  +  Z_∝} \sqrt{\frac{P Q}{n},

(0.205-2.58(0.0015),0.205+2.58(0.0015)\\0.20113,0.20887

=0.20113,0.20887[/tex]

<u>conclusion:</u>-

99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

4 0
3 years ago
What is the solution to this equation 8 - 2x + 6x = 24
san4es73 [151]

x = 4

First you combine like terms:

8 + 4x = 24

Then solve:

4x = 24 - 8

4x = 16

x = 16/4

x = 4

4 0
3 years ago
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2-2x2-(39 divided by 1)+2+9
artcher [175]
-30 is the answer for your question
6 0
3 years ago
FREE BRAINLY!!! PLEASE HELP
balandron [24]
Answer:

x-intercept = (8,0)

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A sphere has a radius of 4 in. Which equation finds the volume of the sphere? V = four-thirds pi (4) cubed V = four-thirds (4) c
andrey2020 [161]

Answer:

If the sphere has a radius of 4, you can use the equation: V=4/3(pi)(r)^3

Step-by-step explanation:

V=4/3(pi)(r)^3

V=4/3(pi)(4)^3

3 0
3 years ago
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