Answer:
The volume of cone = 5.369 inches³
Step-by-step explanation:
Given as :
The curved surface area of cylinder = 45 inches²
The height of cylinder = 10 inches
Now, curved surface area of cylinder = 2 × × r × h
where r is radius
and h is height
So , 2 × × r × h = 45 inches²
So, r =
Now, Cone have same base are and height
Let The volume of cone = v
Since The volume of cone = ××r²×h
So, The volume of cone = × × ()² × 10
Or, The volume of cone =
The volume of cone = 5.369 inches³ Answer
Compound percentage reduction can be calculated by multiplying the initial number by (1-x)^t where x is the percentage reduction (/100, i.e. 1% reduction is 0.01), and t is the number of times it has reduced.
So:
a)
Where t is the number of weeks.
We can then just substitute in to work out the final pressure:
b) p = 45*0.94^6 =
31psi
Answer:
<h3> 26²/₃ liters of 15% acid and 13¹/₃ liters of 33% acid</h3>
Step-by-step explanation:
Concentration Amount of Amount
of Solution Solution (L) of Acid
15% x 0.15x
33% y 0.33y
21% 40 0.21•40
x + y = 40 ⇒ x = 40 - y
0.15x + 0.33y = 0.21•40
0.15(40 - y) + 0.33y = 0.21•40
6 - 0.15y + 0.33y = 8.4
0.18y = 2.4
y = 13¹/₃
x = 40 - 13¹/₃ = 26²/₃
Answer:
2nd point
Step-by-step explanation:
To simplify<span> a </span>fraction<span>, both the numerator and denominator must be divided by the </span>same number<span>. This method is also called canceling </span>down<span> or reducing the </span>fraction<span>. </span>