2/3 (3x-5)=3
x=19/6
just get photomath. its an app on your phone to help with math. it explains how to do it
1) It takes him ac minutes to run his train(s) around the track.
a being the time it takes to move ONE train around the track,
c being the number of trains.
When he has 5 trains, it is just 5 times that, since they are both proportional.
5ac
2) A) EG corresponds with BD, since they are both the hypotenuse.
Answer:
i think it is
divide by 10
subtract 10
subtract 18
divide by 5
Step-by-step explanation:
Answer:
√(2 - 7x) + 2x = 0
√(2 - 7x) = - 2x
[√(2 - 7x)]² = (- 2x)²
2 - 7x = 4x²
4x² + 7x - 2 = 0
4x² + 8x - x - 2 = 0
4x(x + 2) - (x + 2) = 0
(4x - 1)(x + 2) = 0
4x - 1 = 0 => 4x = 1 => x₁ = 1/4
x + 2 = 0 => x₂ = - 2
Answer:
a. $3.36
b. $70.86
Step-by-step explanation:
5% of $67.50 is $3.36
$67.50 + $3.36 = $70.86
