In a trapazoid the diagonals are the same so therefore the two equations equal echother

3x+7=5x-11 solve for x by combining like terms

18=2x then divide to unto multiplication

9=x

9 is the value of x

I hope I've helped!

7 0

3 years ago

Read 2 more answers

Martin and Alexia are rock climbing each person's rate stays the same for the first hour they climb mountain climbers 3 1/3 mete

Minchanka [31]

1. If Martin climbs 3 1/3 meters in the first one 1/6 hour, then he climbs

$3\dfrac{1}{3}\cdot 6=\dfrac{10}{3}\cdot 6=20$ meters per hour. Then, option A is correct and options C and E are false.

2. If Alexia climbs 17 1/2 in the first 5/6 hour, then she climbs

$17\dfrac{1}{2}\cdot \dfrac{6}{5}=\dfrac{35}{2}\cdot \dfrac{6}{5}=21$ meters per hour and it takes Alexia $\dfrac{1}{21}$ of an hour to climb 1 meter. Then options B and D are correct and option F is false.

Answer: correct options are A, B and D.

7 0

3 years ago

Mr. Thomas purchased a car for $30,000. in 4 years the value of the car decreased to $22,000. Which integer represents the avera

Llana [10]

The change in value over 4 years is
$22,000 - 30,000 = -$8,000

so the average change in value per year is
-8000/4 = -2000

4 0

2 years ago