Answer:
36
Step-by-step explanation:
1/2 × b× h
= 1/2 × 9×8
= 9×4
= 36 sq. in
Answer:
6 ounces of juice
Step-by-step explanation:
You put all x on left side and numercial on the right side
13x-12x = 4+4
x = 8
Answer:
He earned 110287.3536 dollars
<span>exact value of sin 157.5 without using a calculator
sin(157.5)=sin(315/2)
Identity: sin(x/2)=±√[(1-cosx)/2]
select positive identity since 175 is in the 2nd quadrant where sin>0
sin(315/2)=√[(1-cos315)/2]
cos 315=cos45 in quadrant IV=√2/2
sin(315/2)=√[(1-√2/2)/2]=√[(2-√2)/4]=√(2-√2)/2
sin(157.5)=√(2-√2)/2
check using calculator:
sin157.5º≈0.382...
√(2-√2)/2≈0.382...</span>
