Follow PEMDAS. First is multiplication.
Follow the FOIL method: (First, Outside, Inside, Last)
<span>(8 - 3i) - (8 - 3i)(8 + 8i)
</span>8(8) = 64
8(8i) = 64i
-3i(8) = -24i
-3i(8i) = 24 (note: two "i"'s = -1)
Combine like terms
64 + 64i - 24i + 24
64 + 40i + 24
88 + 40i
Now subtract 88 + 40i from 8 - 3i
(8 - 3i) - (88 + 40i) = -80 - 43i (Note: the signs in the parenthesis change, because you are subtracting as a whole)
-80 - 43i is your answer
hope this helps
Answer:
∠AOB = 112°
Step-by-step explanation:
mentally draw line segment OC
that line bisects 124° so ∠OCB = 1/2(124°) = 62°
ΔOCB is isosceles because OB = OC
∠OBC = 62° because it is equal to ∠OCB
all triangle interior angles add up to 180°
∠BOC = 180° - 62° - 62° = 56°
∠AOC = 56° because OC was a bisector of ∠AOB
∠AOB = 56° + 56° = 112°
Answer:
-74 10/5
Step-by-step explanation:
first you will write the decimal number in fraction form which will be,
-74.5 = -745/10
now, on diving we will get,
74 as quotient and 5 as remainder, 10 as divisor.
now mixed fraction is, quotient divisor/remainder
the answer will be -74 10/5
•you can solve it to get the fraction you got previously as, =(-74 X10 + 5)/5 you will get the fraction in question.
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<em>Hope </em><em>my </em><em>answer </em><em>helps.</em>
It’s =X+ and that’s ru answering
Answer: 24 cm
Step-by-step explanation:
The formula for calculate the area of a triangle is:
Where b is the base and h is the height.
Then if the base of the triangle is 5 times the height:
Substitute the above into the formula and solve for the height. Therefore, you obtain that the height is:
