It is x x- osia math and 87 and please and it is mathamatics
Answer: Dark Chocolate = 2.5 lbs, Milk Chocolate = 0.5 lbs
<u>Step-by-step explanation:</u>
Qty % Qty * %
Dark Chocolate: x 0.25 0.25(x) = 0.25x
Milk Chocolate: <u> 3 - x </u> 0.75 0.75(3 - x) <u>= 2.25 - 0.75x</u>
Mixture: 3 100% = 1
Part A: 0.25x + 2.25 - 0.75x = 1
2.25 - 0.50x = 1
<u> -2.25 </u> <u> -2.25 </u>
-0.50x = -1.25
<u> ÷ -0.50 </u> <u>÷ -0.50 </u>
x = 2.5
Milk Chocolate: 3 - x = 3 - 2.5 = 0.5
Answer:
63 mm
Step-by-step explanation:
The formula to find the volume of a cylinder is V=h
You square the radius which would be 9
Then multiply that by 7 which is the height and get 63
Since it is left in terms of pi you do not need to multiply by pi so you add the pi symbol to the end.
Then get 63 mm
Answer:
6.
Step-by-step explanation:
We can start by defining a couple things.
x = amount of nickels
y = amount of dimes
Since he has the same amount of each, we can say this.
x = y
And because we know it totals 0.90, we can say this.
0.05x + 0.10y = 0.90
then, we substitute and get this.
0.05x + 0.10x = 0.90
Simplify.
0.15x = 0.90
Divide both sides by 0.15.
x = 6
So we have 6 nickels, and they both are the same, so we have 6 dimes.