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olganol [36]
3 years ago
6

A cylindrical can of cat food has a diameter of 3.5 inches and a height of 1.25 inches A second brand of cat food is packaged in

a cylindrical can with a radius of 1.2 inches and a height of 1.25 inches what is the difference between the volumes of the cans show your work
Mathematics
1 answer:
UNO [17]3 years ago
5 0
So..Volume of a cylinder = pi(r)^2 x Height
The first can has a radius of 1.75 (3.5/2) and a height of 1.25 inches..put that in the formula and you'll get the volume of the first cylinder ~ 12.02 
Do the same thing with the second cylinder and you'll get ~5.65 as the volume. 
Now calculate the difference between the two by simply subtracting the two volumes and the difference would  approximately be 6.37 
hope this helps! :)
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Find the sumofthe geometrical progression of five terms, of which the first term is 7 and the multiplier is 7.Verify that the su
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Answer:

The sum of first five term of GP is 19607.

Step-by-step explanation:

We are given the following in the question:

A geometric progression with 7 as the first term and 7 as the common ration.

a, ar, ar^2,...\\a  = 7\\r = 7

7, 7^2, 7^3, 7^4...

Sum of n terms in a geometric progression:

S_n = \displaystyle\frac{a(r^n - 1)}{(r-1)}

For sum of five terms, we put n= 5, a = 7, r = 7

S_5 = \displaystyle\frac{7(7^5 - 1)}{(7-1)}\\\\S_5 = 19607

The sum of first five term of GP is 19607.

Verification:

2801\times 7 = 19607

Thus, the sum is equal to product of 2801 and 7.

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Find the value of x.<br> x = [?]
zubka84 [21]

Answer:

x = 14 units

Step-by-step explanation:

  • Distance of both the chords from the center of the circle is 9 units.

  • -> Both the chords are equal. (Chords equidistant from the center of the circle are equal)

  • Perpendicular drawn from the center of the circle bisects the chord.

  • -> Measure of one chord = 7 + 7 = 14 unit

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