Given:
Diameter if the spherical tank = 20 ft.
Now,
We know,
radius = diameter / 2
= 20 / 2
= 10 ft.
Now,
The area of the spherical tank =
=

=

=
=
Now,
According to the question,
400 ft² needs 1 gallon of paint
1 ft² needs (1 / 400) gallon of paint
1256.64 ft² needs (1 / 400) * 1256.64 gallon of paint
= 3.1416 gallon of paint
=
3.14 gallon of paint --------------> rounded
So, we need 3.14 gallon of paint
Answer:120
Step-by-step explanation:
calculate the sum of the negetive numbers 3x-40
=120
The answer is 60. Just multiply 20 × 3.
Answer:
<em>83.33%</em>
<em>Total no. of students = 720</em>
<em>No. of students who failed = 120</em>
<em>Therefore no. of students passed = 720 120= 600</em>
<em>Therefore pass percentage = 600/720* 100 = 83.33%</em>
Step-by-step explanation:
<em>I </em><em>hope</em><em> it</em><em> will</em><em> help</em><em> you</em><em>.</em><em>.</em><em>.</em>
<em>
</em>
<em>#</em><em>c</em><em>a</em><em>r</em><em>r</em><em>y</em><em>o</em><em>n</em><em>l</em><em>e</em><em>a</em><em>r</em><em>n</em><em>i</em><em>n</em><em>g</em>