If PQ = 3, QR = 2x, and PR = 3x, what is QR?

Mathematics

1 answer:

aniked [119]3 years ago

7 0

Answer:

Step-by-step explanation:

It is ALWAYS helpful to sketch the appropriate figure.

That will make clear that 3x = x+4, by the definition of midpoint.

Then you solve the equation and you get x=2, so that PQ = 6.

You might be interested in

I need help PLLS I'll give you the Brainliest

schepotkina [342]

Answer:

Step-by-step explanation:

21 - (-5) A negative minus a negitive turns into a +

21 + 5 = 26

A. -21 + 5 = -16 NO

B. 21 - 5 = 16 NO

C. 21 + 5 = 26 YES

D. -21 - 5 = -26 NO

7 0

4 years ago

Read 2 more answers

The mean plus the standard deviation is:

julia-pushkina [17]

Answer: variable is distributed normally, then approximately two-thirds of the population will within plus or minus one standard deviation of the mean

Step-by-step explanation:

The standard deviation is calculated as the square root of variance by determining each data point's deviation relative to the mean. If the data points are further from the mean, there is a higher deviation within the data set; thus, the more spread out the data, the higher the standard deviation.

3 0

2 years ago

3. The ratio of blue marbles to white marbles in Simran’s bag is equal to

Serhud [2]

Answer:

its 40

Step-by-step explanation:

1x20 = 20

and 2x20=40

7 0

3 years ago

Read 2 more answers