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creativ13 [48]
3 years ago
11

A certain truck weighs 2 metric tons A person weighing 60 kg get in the truck followed by a 70 kg person how many kilograms does

the truck weigh with both people inside
Mathematics
1 answer:
DiKsa [7]3 years ago
7 0
The truck now weighs 2130 kilograms. Hope this helps.
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Can y'all help me with this math questions I have school in 30 mins and I can't do it quickly please help
Anon25 [30]

I'm sorry idek ques 2 and 3

8 0
2 years ago
Read 2 more answers
g You are planning an opinion study and are considering taking an SRS of either 200 or 600 people. Explain how the sampling dist
Katen [24]

Answer:

By the Central Limit Theorem, both would be approximately normal and have the same mean. The difference is in the standard deviation, since as the sample size increases, the standard deviation decreases. So the SRS of 600 would have a smaller standard deviation than the SRS of 200.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the sampling distribution of size n of a sample proportion p, the mean is p and the standard deviation is s = \sqrt{\frac{p(1-p)}{n}}

Differences between SRS of 200 and of 600

By the Central Limit Theorem, both would be approximately normal and have the same mean. The difference is in the standard deviation, since as the sample size increases, the standard deviation decreases. So the SRS of 600 would have a smaller standard deviation than the SRS of 200.

6 0
3 years ago
I need help, don’t get it
Mashutka [201]
B is correct. Substitute the week number for w in the function. Follow order of operations and you should get you N, the number of fruit flies for that week. For instance week 2:
N= 2(5)^2-1
N=2(5)^1
N=2(5)
N= 10
N= 10 corresponds to the table
7 0
3 years ago
Your bank account hos a bolance of -$17. You deposit $70. What is your new balance? Show work:​
Norma-Jean [14]

Answer:

53

Step-by-step explanation:

70-17= 53

3 0
2 years ago
Read 2 more answers
Pleaaasseee help!!! BRAINLIEST FOR CORRECT ANSWER!! What is the transformation rule for a translation 3 units right?
garri49 [273]

Answer:

Rule: replace x by x - a where a is the number of units that you want to move right. a must be greater than 0. x - - a  would move left.

Step-by-step explanation:

You want f(x) to move 3 units to the right.

That would mean that  x would be replaced by x - 3.  Just to be sure let's try it.

  • Suppose you have f(x) = x^2 + 6x + 5       It is graphed as the red line
  • Now suppose you want to move 3 units right.
  • It would replaced like f(x - 3) = (x - 3)^2 + 6(x - 3) + 5 which is the blue line
  • Notice nothing else is changed. The blue line looks exactly like the red line except that it is shifted 3 units to the right.

4 0
2 years ago
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