Answer:
Step-by-step explanation:
You should croos multiply to get 10x = 50 (20) which is 10x = 1000 then divide each side by 10. What do you get for x?
30 hours. Multiply $8.10 by 40 to get $324. Divide $324 by $10.80 to get 30 hours.
Step-by-step explanation:
with $4,000 invested, Jake has
8% × $4,000 = $320 annually.
in order to have annual interest $628, he has to get more interest $(628-320) = $308.
the rate should be:
308/2800 × 100%
= 308 /2800 × 100%
= 11%
Answer:
cos71
Step-by-step explanation:
sin19 and cos71 both equal 0.3255
