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VladimirAG [237]
3 years ago
13

I NEED THESE VERY FAST PLEASE

Mathematics
1 answer:
Studentka2010 [4]3 years ago
4 0

Answer:

Step-by-step explanation:

what is the question?

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its A y = 3

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3 years ago
If f(x)=x and g(x) =2, what is (f•g)(x)
slavikrds [6]
The answer is c. You distribute the X to the F and G. f(x) + g(x), which is x + 2.
7 0
2 years ago
What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the
marishachu [46]
The sum of all the measurements is just the average times the number.

\bar x = \frac{1}{n} \sum_{i=1}^n x_i

\sum_{i=1}^n x_i = n \bar x

So if the average of all 92 is 7 the sum of those is 92 \times 7

The average of the last two is 7.2 so their sum is 2 \times 7.2

That means the sum of the first 90 is 92 \times 7 - 2 \times 7.2

so the average of the first 90 is

 \dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556 cm



7 0
3 years ago
Which expression can be used to change 75 kilometers per hour to meters per minute?
atroni [7]
1h=60min\\1km=1000m\\\\\\75\ km/h=75\cdot\frac{1000}{60}\ m/min=1250\ m/min
4 0
2 years ago
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Irina18 [472]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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