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PtichkaEL [24]
2 years ago
10

Please please please help

Mathematics
2 answers:
raketka [301]2 years ago
5 0

Answer: i cant see the answers

Step-by-step explanation:

zhenek [66]2 years ago
4 0

Answer:

the first, second, third, fourth, and fifth, answers apply to this graph

Step-by-step explanation:

The graph is a constant line from 7-10 minutes (a 3 minute break)

After the first five minutes on the graph there is a great increase in his speed. (he covered more of the race in that time up until the 7th minute)

It is true he only had one mile left - this can be shown by his graph stopping at the 4th mile on the 15th minute

there is a slow but gradual increase in his speed as he covered more of the race in the first five minutes

At the 7th minute mark he is at mile 3 - there are 4 miles to the race

_______________________________

The last one is NOT true because he has another increase in the graph at the 11th minute mark.

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The time (in number of days) until maturity of a certain variety of tomato plant is Normally distributed with mean μ. You select
VLD [36.1K]

Answer: 60.93 < μ < 69.07

Step-by-step explanation: The true mean of a set of data is between an interval of values with a percentage of precision, e.g., a <u>99% confidence interval</u> means we are 99% confident the true mean is between the lower and upper limits.

To find the interval, use

x±z\frac{s}{\sqrt{n}}

z is z-score related to the % of confidence level

In this case, a 99% confidence interval is 2.576

x is sample mean

Calculating:

x=\frac{63+69+62+66}{4}

x = 65

65±2.576\frac{3.16}{\sqrt{4}}

65±4.07

Confidence Interval: 60.93 < μ < 69.07

Meaning that we are 99% sure the population means is between 60.93 and 69.07.

7 0
2 years ago
At what values of x, does f(x) = 0?
Alex

Answer:

C. 4,   D. 2,   A. -1

Step-by-step explanation:

On the graph, the points at 0 are 4, 2,  and -1.

8 0
3 years ago
Which shows 2-6 ///////////////////////////////////////////////////////
Leokris [45]

Answer:

C

Step-by-step explanation:

(1/2⁶)

7 0
3 years ago
Read 2 more answers
A number that is prime, between 60-100,1s place is 2 less then 10s place.
Crank
The answer to that would be 97.

Hope this helps! :)
7 0
3 years ago
Can someone pls help me...
joja [24]
It is not a function and that is becuase a vertical line would pass through it twice
5 0
2 years ago
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