In this item, we have:
A = 6x² + x +3
h = 3x
where ''A'' is area and ''h'' is height. From the statement above,
length of base, b = A / h
<em> b = (6x² + x + 3)/3x
</em>
Thus, the expression for the length of the base is 6x²+x+3 / 3x.
Answer:
You will need 220 mL of the 60% solution and 80 mL of pure alcohol.
Step-by-step explanation:
Let 'x' be the amount of 50% alcohol solution and y the amount of pure alcohol.
Therefore:
(0.5x + y)/300 = 0.65 ⇒ 0.5x + y = 190
x + y = 300
Solving the sistem of equations:
x = 220 and y = 080
Therefore, You will need
220 mL of the 60% solution
and 80 mL of pure alcohol.
Check the picture below.
make sure your calculator is in Degree mode.
Answer:
900
Step-by-step explanation:
We have, 4% × x = 36
4
or ----- × x = 36
100
Multiplying both sides by 100 and dividing both sides by 4,
100
we have x = 36 × -------
4
x = 900
If you are using a calculator, simply enter 36×100÷4, which will give you the answer
Answer:
96
Step-by-step explanation:
6+6=12
12+12=24
24+24=48
and
48+48=96
