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Answer:
no. i*i = -1
2i*3i=-6
now if they meant complex numbers the answer is still no
(2+4i)(2-4i) = 4-8i+8i-16 = -12
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Answer:
Danielle is 7 and her counselor is 21
Step-by-step explanation:
Let x be the age of Danielle and y be the age of her counselor then:
y=3x
x+y=28
We can solve this using substitution. In this case, substitute 3x for y since y=3x...
x+3x=28
4x=28
Divide both sides by 4 (division property of equality)
x=7
y=3x=3(7)=21
Danielle is 7 and her counselor is 21
You should use 1 cup of yogurt because 11/2 divided by 3 is 1/2 so if only 2 cups out of three are being used then you would use 1 cup of yogurt.
Answer:
The pizza cost 5.04 in 2000
Step-by-step explanation:
Step One: set the price of the pizza in 1980 equal to the price in 2000
$4.99 ?
=
1980 2000
Step two: Divide 1980 by 2000
1980 / 2000 = 0.99
Step Three: Divide 4.99 by 0.99
Reason: You know that 1980/0.99= 2000 and what ever you do to the denominator you have to do to the numerator and vice versa.
4.99 / 0.99 = 5.0404040
Step Four: Answer
The pizza cost 5.04 in 2000
Keep doing this until you get all of the years (2015 and 1981) pizza prices
Answer:
12) y=25x
13) 14 gallons
Step-by-step explanation:
m= (y2-y1)/(x2-x1)
m= (75-50)/(3-2)
m=25/1=25
y-y1=m(x-x1)
y-75=25(x-3)
y-75=25x-75
y=25x
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350=25x
x=350/25
x=14
