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Alisiya [41]
3 years ago
15

I WILL GIVE OUT BRAINLIEST FOR CORRECT ANSWERS PLEASE HELP ME

Mathematics
1 answer:
german3 years ago
6 0

Answer:

C) 32ft

Step-by-step explanation:

2x+2=   2(1)+2= 4

3x+4=   3(1)+4= 7

2x+2=   2(1)+2= 4

5x+1=    5(1)+1= 6

2x+2=   2(1)+2= 4

3x+4=   3(1)+4= 7

4+4+4+6+7+7=  31

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The range of the function f(x) = x + 5 is {7, 9). What is the function's domain?​
Maru [420]

Answer:

(2,4)

Step-by-step explanation:

The range is the y values

y = x+5

Let y=7

7 =x+5

Subtract 5

7-5 x+5-5

2=x

Let y= 9

Subtract 5

9-5 x+5-5

4=x

The domain is (2,4)

8 0
3 years ago
Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and
sergij07 [2.7K]

Answer:

a) sample size is 40

Step-by-step explanation:

(a)

\sigma=4 minutes

Margin of error, E is 75 seconds E=75/60= 1.25 minutes.

The level of significance \alpha= 0.05 for 95% level of significance

For 95% confidence interval z_{\frac{\alpha}{2}}=1.96 from standard deviation table

Sample size required, n

n=\left (\frac{z_{\frac{\alpha}{2}}\cdot \sigma}{E} \right )^{2}=\left (\frac{1.96\cdot4}{75/60} \right )^{2}=39.337984

Rounding off, n=40

Sample size =40

Keywords:

95% confidence, sample size, Wall Street Journal

3 0
3 years ago
What is the length of the hypoyenuse of a right triangle if each of the two legs is 4 units?
frosja888 [35]
5.65685 should work
4 0
3 years ago
PLEASE HELP ME ON THIS
Jobisdone [24]
G(x) = f(x) +5
  = 4^x -6 +5
  = 4^x -1

The 3rd selection is appropriate.
7 0
3 years ago
Read 2 more answers
What is the square root of 34
BlackZzzverrR [31]
The square root of 34 is 5.83095
8 0
3 years ago
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