On a factory floor, 20 out of every 170 toy robots is defective. what percent of the toy robots are defective? round your answer to the nearest hundredth.

 11.76 %  of the toy robots are defective.

Step-by-step explanation:

Formula

As given

On a factory floor, 20 out of every 170 toy robots is defective.

Part value = 20

Total value = 170

Put in the formula

Percentage = 11.76 %

Therefore the  11.76 %  of the toy robots are defective.

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2