1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IrinaK [193]
3 years ago
9

Points A, B and C are collinear. Point B is between A and C. Find x if AC=20, BC=x-19 and AB=x+17.

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
4 0

Answer:

11

Step-by-step explanation:

20-[(x-19)+(x+17)]

=20-2x+2

=22-2x

As AB+BC=AC, 22-2x=0.

Thus 2x=22

x=11

it should be right

You might be interested in
4 inches away from a playground the scale of the map is 1 inch represents 5.25 meters how far apart are the actual pond and play
liubo4ka [24]
5.25 times 4 = 21 meters!

If this was the appropriate answer make sure to mark as the brainliest!
-procklown
5 0
3 years ago
Estimate the square root of the following imperfect square:
lisov135 [29]

This problem is just try and error.

First we try number 2.5 since its the average of all the answers.

2.5^2=6.25

This is smaller than 7 so the answer is either 2.6 or 2.8

Now let's try 2.7

2.7^2=7.29

Which is bigger than 7 and that means the correct answer is 2.6 :)

5 0
3 years ago
Read 2 more answers
What introduction proof is FH=FG=GH
yKpoI14uk [10]

Answer:

What grade are you in I might know it

6 0
3 years ago
write an equation in point-slope form and slope-intercept form for a line that passes through point(4,-1) and has a slope of -3
melamori03 [73]

Answer:

Point Slope: (y-(-1)=3(x-4)

Step-by-step explanation:

y-y1=m(x-x1) Point Slope Form\\plug in:\\y-(-1)=3(x-4)\\

Slope Intercept is y=mx+b\\Find Y Int (b):\\b=-13\\Plug in;\\y=3x-13

3 0
3 years ago
Find the sum of the first 40 even positive integers.
Pachacha [2.7K]

Answer:

1640

Step-by-step explanation:

Even, positive integers

2+4+6+8+10+12+14+16+18+20+22+24+26+28+30+32+34+36+38+40+42+44+46+48+50+52+54+56+58+60+62+64+66+68+70+72+74+76+78+80 = 1640

6 0
1 year ago
Other questions:
  • Anyone know the answer?
    13·2 answers
  • Nathan read 1/6 of a book the first week he had it. the shaded portion of the model below shows the fraction of the book nathan
    8·2 answers
  • A solid lies between planes perpendicular to the x-axis at x tox=. The cross sections perpendicular to the x-axis are circular d
    12·1 answer
  • Which numbers are between 4 over 6 and 7 over 5
    8·1 answer
  • Find the values of a given that AGHJ ZAMNP.<br> G<br> N<br> (2x<br> 50°<br> 142<br> M<br> H
    9·1 answer
  • Apply the Pythagorean Theorem to find the distance between points A and C.
    8·1 answer
  • 1 3 5 7, which number comes next?​
    11·2 answers
  • When paying for a restaurant order, a customer's total for food was $28.50. What is a 16% tip for that total?
    5·1 answer
  • What is the positive solution to the equation 2x^2 = 72?
    14·2 answers
  • Use the drawing tools to graph the solution to this system of inequalities on the coordinate plane.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!