2 years ago

Find the value of x if B is between A and C, AB = 4x – 9, BC = 3x + 5 and AC = 17.

Mathematics

2 answers:

Tasya [4]2 years ago

6 0

If A,B and C lie on the same line:

4x- 9 + 3x+5 = 17

7x = 21

x = 3

vredina [299]2 years ago

4 0

AB + BC = AC
4x - 9 + 3x + 5 = 17
7x - 4 = 17
add 4 to both sides
7x = 21
divide both sides by 7
x = 3

You might be interested in

IF YOU SOLVE FIRST YOU GET BRAINLIEST

Nonamiya [84]

I solved 2/5(x − 2) = 4x. I don't know why you included those extra numbers.

<u>-2/9</u>

7 0

2 years ago

a road crew can repave 1/48 of a road each hour. they must repave a road that is 3/8 miles long. how long will it take the crew

son4ous [18]

3/8 / 1/48 = 3/8 x 48/1 = 144/8 = 18 hours

8 0

2 years ago

Read 2 more answers

Someone help me answer this

dolphi86 [110]

Answer:

c = 53 yd is the answer.

Step-by-step explanation:

a = 45 yd

b = 28 yd

c = ?

According to the Pythagorean Theorem,

a² + b² = c²

45² + 28² = c²

2025 + 784 = c²

c² = 2809

c = 53 yd

∴ The dog runs 53 yd

6 0

2 years ago

Given a discriminat of 36 how many solutions with the quadratic function have?

alexira [117]

Answer:

Step-by-step explanation:

So!

If the d (discriminant)

d > 0 Then 2 solutions

d = 0 Then 1 solution

d < 0 Then none

36 > 0 so 2 solutions

8 0

2 years ago

Read 2 more answers

On Monday, 408 students went on a trip to the 200 All 7

kap26 [50]

Answer:

Step-by-step explanation:

408-9 =399

399/7 =57

7 0

2 years ago