A factory ships an order of 650 laptops. A worker test a random of 40 laptops and finds that 1 of the laptops takes more than 30 seconds to start up. Predict the number of laptops in the shipment that will take more than 30 seconds to start up.

u rich

step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.