3 years ago

Question number 4 please help

1 answer:

8 0

$\frac{x^2+x-30}{x^2-3x+2}\\\\x^2-3x+2=0\\\\x^2-x-2x+2=0\\\\x(x-1)-2(x-1)=0\\\\(x-1)(x-2)=0\iff x-1=0\ \vee\ x-2=0\\\\x=1\ \vee\ x=2\\\\Answer:For\ x=1\ or\ x=2.$

You might be interested in

A mini toy helicopter ascends 50 feet vertically, then flies horizontally 200 feet. Find the angle of elevation to the helicopte

a_sh-v [17]

There is a right triangle with you in the lower left vertice, and the right angle between the sides 50 (vertical segment) and 200 (horizontal segment)

Then, tan (angle of elevation) = vertical / horizontal = 50/200 = 0.25

=> angle = arc tan(0.25) = 14 degress.

Answer: 14 degrees

7 0

3 years ago

Read 2 more answers

Can anyone help me ??

bogdanovich [222]

The answer is B 1 =52 2=66

8 0

3 years ago

In a scale drawing, the length of a rectangular room is 6 inches, and the width is 3 inches. the actual length of the room is 18

Vlada [557]

Answer:

A: The scale would be x3