Simplify <img src="https://tex.z-dn.net/?f=%5Csqrt%7B-121%7D" id="TexFormula1" title="\sqrt{-121}" alt="\sqrt{-121}" align="absm

Neko [114]

The answer you are looking for is 162.

5 0

3 years ago

ella [17]

Im guessing 35 all I did was add 12+11

6 0

3 years ago

Alina [70]

Answer:

14.4 m/s

Step-by-step explanation:

The speed of the car can be found by dividing the distance by the time. The distance is 0.8m 9 times or 0.8(9)=7.2 meters and the time is 0.5 seconds

$s=\frac{d}{t} \\s=\frac{7.2}{0.5} \\s=14.4$

3 0

3 years ago

Serhud [2]

Answer:

x = 8

Step-by-step explanation:

2(78°) = 20x - 4

156 = 20x - 4

add 4 to each side of the equation:

160 = 20x

divide both sides by 20:

x = 8

6 0

2 years ago

Pepsi [2]

The exterior angles of a triangle are (2x+10)⁰, (3x-5) ⁰ and (2x+40) ⁰

To get interior angle for each , subtract from 180

$180-(2x+10)=170-2x\\180-(3x-5)=185-3x\\180-(2x+40)= 140-2x$

Sum of interior angles = 180

$170-2x+185-3x+140-2x=180$

$-7x+170+185+140=180\\-7x+495=180\\-7x+495-495=180-495\\-7x=-315\\x=45$

$170-2x=170-2(45)=80\\185-3x=185-3(45)=50\\140-2x=140-2(45)=50$

Answer: x=45

smaller angle =50 degree

largest interior angle = 80 degrees

5 0

2 years ago