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Bingel [31]
3 years ago
12

1. Solve the given inequality and graph it on the number line.–3x + 9 ≤ 15 Answer:

Mathematics
1 answer:
Travka [436]3 years ago
3 0
The answer is in the image

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tester [92]

Answer:

60 should be your answer

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4 years ago
The graph shows the relationship between time and the number of soda bottles a machine can make. Use the points ​(​4,​112) and ​
Jlenok [28]

Using y to represent number of bottles filled in x minutes, y = 250x.

This is rather basic, and I urge you to think about it so that it's very clear to you, and you will be able to do similar problems on your own in the future.

The graph will be a straight line passing through the origin (0,0).

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In the equation sqrt n+5 - sqrt n-10, what is the value of n?
irinina [24]
First, square the entire problem. Then add the n's and subtract 10 from 5. You will then get 2n-5=0. Add 5 to both sides, then divide by two to get the answer. (2n=5, n=2.5)
6 0
4 years ago
Unoccupied seats on flights cause airlines to lose revenue. Suppose a large airline wants to estimate its average number of unoc
Len [333]

Answer: 3

Step-by-step explanation:

Given : Standard deviation : \sigma=4.1\text{ seats}

Margin of error : E=\pm5\text{ seats}

Significance level : \alpha: 1-0.95=0.05

By using the standard normal table of z ,

Critical value : z_{\alpha/2}=1.96

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n=(\dfrac{z_{\alpha/2}\ \sigma}{E})^2

i.e. n=(\dfrac{(1.96)(4.1)}{5})^2=2.58309184\approx3

Hence, the number of lights should we select if we wish to estimate μ to within 5 seats and be 95 percent confident =3

6 0
3 years ago
Can anyone help me with this
-Dominant- [34]

Answer:

A or c!

Step-by-step explanation:

3 0
3 years ago
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