Answer:
A= 649.71
Step-by-step explanation:
A=2(1+2)a2
=2·(1+2)·11.62
≈649.71315
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D. 15:1
is equivalent to 30:2. (:</span>
Answer:
2 3/4
7 9/16 ÷ 2 3/4 = 2.75
so 2.75 as a fraction is 11/4
then we simplify 11/4= 2 3/4
7/4 means you have to do 7 divided 4. You would get 1.75 then you have to do 1.75 times -4. You get -7. -7 is the answer.
3x=y
X+Y=20
5=x and 15=y are the answer. You can use elimination or substitution or guess and check!
