If B is the midpoint of AC, and AC = 8x – 20, find BC. 3x - 1 A B C

Mathematics

1 answer:

sammy [17]3 years ago

6 0

Answer:

x = 9

Step-by-step explanation:

Since B is the midpoint, that means segment AB has to be the same length as BC.

Therefore:

$2(3x-1)=8x-20$

$6x-2=8x-20$

$18=2x$

$9=x$

You might be interested in

A point (-7, -6) is rotated counterclockwise about the origin to map onto (-6, 7). The

Ierofanga [76]

Option D, 270 is the answer

3 0

4 years ago

what if erika and Bradley want to hike 14 miles each day? how many days will they hike exactly 14 days?

katrin2010 [14]

You just need to multiply 14 miles by 14 days so the answer is 196

3 0

3 years ago

Read 2 more answers

Which statement best describes the use of a simulation to predict the probability that two randomly chosen people will both have

laila [671]

<span>Randomly generate an integer from 1 to 7 two times, and the probability is 1/7 ^2

This is the </span><span>statement that best describes the use of a simulation to predict the probability that two randomly chosen people will both have their birthdays on a Monday.

There are 7 days in a week, so there are 7 choices but only 1 Monday. So, 1/7 is the probability that a person's birthday falls on a Monday.

1st person asked will have 1/7 probability.
2nd person asked will also have 1/7 probability

So, (1/7)</span>² is the probability that both persons will have their birthdays on a Monday.

8 0

3 years ago

Read 2 more answers

16 POINTS!!! HELP ASAP

nadya68 [22]

Answer:

The answer is 358.01

Step-by-step explanation:

Given:

$3\times 10^{2}+5\times 10^{1}+8\times 10^{0}+1\times \frac{1}{10^{2}}$