Use proportions for all of them, for #1 use the proportion 12/30 = 9/a based on corresponding sides and then cross multiply. a=22.5 For #2 use the proportion y/35 = 64/40 based on corresponding sides and then cross multiply, y=56 For #3 use the proportion 42/? = 54/36 and then cross multiply, ?=28
Answer:Yo puedo hablar español and i can speak english and Также я могу говорить по русски=i can also speak russian
Step-by-step explanation:
Answer:
-7 (7x^2-y^2-19)
Step-by-step explanation:
Answer:
180
Step-by-step explanation:
guessed the answer
that was the easiest
Answer:
10200
Step-by-step explanation:
This is an example of a compound interest. The equation for this problem is 10000*(1+2/100)^n. The n is the year as 1999 is 1 year away from 1998, you just replace n with 1 and you have a simple equation.
