Given U = {a,b,c,d,e,f,g,h,i,j}, A = {a,c,e,f} and B = {a,d,e,f,g,i,j} and C = {b,c,h} find:
anyanavicka [17]
Answer:
Use calculator
Step-by-step explanation:
Use calculator because yes
Answer:
Option C: 41
Step-by-step explanation:
<ABD+<CBD=90
<ABD=8x+1
<CBD=6x+5
(8x+1)+(6x+5)=90
Combine like terms
(8x+6x)+(1+5)=90
14x+6=90
14x=90-6
14x=84
divide both sides by 14
x=6
Now we plug that value into <DBC = 6x+5
6(6)+5=
36+5
41
4
6
Cause 4 times 1 and 2 times 2
Answer:
D. 
Step-by-step explanation:
Firstly, we know it's close to 6.75, so we can compute 6.75*6.75 and the product should be close to whatever's under the 
. 6.75*6.75 = 45.5625, so we can already answer.
We could also figure out why other answers are bad.
