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scoundrel [369]
3 years ago
14

A spherical balloon has a 26​-in diameter when it is fully inflated. Half of the air is let out of the balloon. Assume that the

balloon remains a sphere.
a. Find the volume of the​ fully-inflated balloon.
b. Find the volume of the​ half-inflated balloon.
c. What is the diameter of the​ half-inflated balloon?
I need help with c
Mathematics
1 answer:
Lady_Fox [76]3 years ago
8 0

Answer:

Volume A = 4/3 x pi x r^3 = 4/3 x 3.14 x 13^3 = 9198.11 cubic inches

Volume B = 4/3 x pi x r^3 = 4/3 x 3.14x 7.5^3 = 1766.25 cubic inches

Diameter = 13 in

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
Line 1 passes through the points (-4, -6) and (12,2). line 2 passes through the points (-6,-2) and (-2,0). Do the lines intersec
kifflom [539]

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3 years ago
Given sample set A= {1,2,3,4,5} how many items are in the complement of set B if set B= all numbers greater than 2? (30 pts)
neonofarm [45]

Alright, so first we need to establish two things.

First, the compliment of a set is like the extreme opposite; everything that is not in set B will be in the complement.

Second, we need to find out what B is.

Okay, so B is everything that is greater than 2, that's given. That includes 3, 4, and 5. B = {3, 4, 5}. There are three items in this set.

The numbers that aren't included are 1 and 2. The complement of B, let's call this C I guess, is C = {1, 2}. There are 2 items in this set.

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6 0
3 years ago
Explain why 1/3 is or isnt an irrational number
Afina-wow [57]

A number that cannot be expressed that way is irrational. For example, one third in decimal form is 0.33333333333333 (the threes go on forever). However, one third can be express as 1 divided by 3, and since 1 and 3 are both integers, one third is a rational number.

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5 0
3 years ago
22.a) A fruit vendor bought 1948 oranges on a Thursday and sold 750 of them on the same day.
iVinArrow [24]

Answer: Ksh 6144

Step-by-step explanation:

On Thursday, a fruit vendor bought 1948 oranges on a Thursday and sold 750. The number of oranges left will be: = 1948 - 750 = 1198

On n Friday, he sold 240 more oranges than on Thursday. This means the number of oranges sold is: = 240 + 750 = 990.

The number for f oranges left will then be: = 1198 - 990 = 208

On Saturday, he bought 560 more

oranges, the total oranges that the vendor has now will be:

= 208 + 560 = 768

Since sold all the oranges he had at a price of Ksh. 8 each, the amount if money made will be:

= Ksh 8 × 768

= Ksh 6144

The vendor made Ksh 6144

7 0
2 years ago
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