Answer:
I can tell you the first one and you can figure it out from there. 70 is 40% persent of what number? Well, we can chop 40% to 20% and chop 70 in half and we get 35. So 35 = 20% So we multiply 35 by five, and get 175. So 70 is 40% of 175.
Step-by-step explanation:
Answer:
x=9 y=24
Step-by-step explanation:
Answer:
The answer is 1400
Step-by-step explanation:
Cosα=adjacent side divided by the hypotenuse
cosA=24/26=12/13
cosB=10/26=5/13