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Serga [27]
3 years ago
15

What’s a mean,median,and mode?

Mathematics
1 answer:
tamaranim1 [39]3 years ago
5 0

The mean is the average you're used to, where you add up all the numbers and then divide by the number of numbers. The median is the middle value in the list of numbers. Mode is the number which appears most often in a set of numbers.

Hope this helps you :)

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Are these lines parallel, perpendicular, or neither? 3y=x+4 and 3x+y=1
REY [17]

Answer:

perpendicular

Step-by-step explanation:

3y = x + 4 in slope intercept form y = 1/3x +4/3

3x + y = 1 in slope intercept form y = -3x +1

the slopes are negative reciprocals of each other so they are perpendicular

5 0
2 years ago
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List all number sets that apply to each number
kolbaska11 [484]

Answer:

45

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Step-by-step explanation:

5 0
3 years ago
Use the distance formula d = rt to find the unknown value d = 405 mi t = 7.5 h
DochEvi [55]

Answer:

r = 54 miles per hour

Step-by-step explanation:

Since we have been given the values for two of the unknowns, we can substitute them into the equation to find the third.

d = 405

t = 7.5

d = rt

405 = r (7.5)

405=7.5r

Now to find r, we need to get it by itself on one side so we have r = ...

We can do this by dividing 7.5 from both sides of the equation as this will cancel out the 7.5, leaving us with the r value, and everything you do to one side of an equation must also be done to the other side.

405/7.5=7.5r/7.5

54=r

The unknown value 'r' = 54

Since 'r' stands for 'rate', the units given must be appropriate for speed. As the distance was given in miles, and the time in hours, the unit for 'r' must be miles/hour. Therefore r=54miles/hour.

Hope this helped!

4 0
3 years ago
Multiplying Radicals With Foil ( 50 Points ) Provide Steps PLEASEEE
Anika [276]

Answer:

Answer is – 3

Step-by-step explanation:

expand the expression using ( a – b) ( a + b) = a² –b²

( 3 ) ² – ( 6) ² *remember to place your square roots inside the brackets my phone doesn't have one*

then simplify the radical

3–6 = – 3

8 0
3 years ago
Without using Desmos what is the complete factorization of 2x^2+x-15? Please show work , please help
andrezito [222]
The last one x+5 2x-3
4 0
3 years ago
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