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igor_vitrenko [27]
3 years ago
7

A bakery sells hollow chocolate spheres. The larger diameter of each sphere is 4cm. The thickness of the chocolate of each spher

e is 0.5 cm. Determine to the nearest tenth of a cubic centimeter the amount of chocolate in each hollow sphere.

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
4 0

Answer:

3.5 cm

Step-by-step explanation:

Vsevolod [243]3 years ago
4 0

Answer:19.4 cm^3

Step-by-step explanation:

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At the annual dogs show chantel noticed that there were three more Scottie’s than schnauzers. She also realized that the number
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<span>Let us start with the schnauzers, the easiest one to imagine. Let us assume that there were x number of schnauzers. Scottie's are 3 more than schnauzers. So their number is x+3 Wire haired terriers are 5 less than twice the number of schnauzers. So their number is 2x -5 (2x for twice the number of schnauzers) Now add all these numbers. That is x + x+3 + 2x-5 = 4x -2 The total number of dogs, 78, is given in the question Now we know that 4x -2 =78 4x = 78 +2 = 80 Therefore x = 80/4 = 20. So there were 20 schnauzers, 23 Scottie’s and 35 wire haired terriers</span>
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3 years ago
In a recent survey 55% of pet owners have more than one pet if there was 620 pet owners survey which proportion could be used to
Alika [10]

Answer:

341..

Step-by-step explanation:

i would personally say 341 because 620 multiplied by 55% or .55, as written on a calculator, would be 341.

5 0
3 years ago
5,500 millimeters (ml)=______ liters
Dmitrij [34]
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3 years ago
If 55% of a number is 132 and 25% of the same number is 60, find 80% of that number.
UNO [17]

Answer:

  192

Step-by-step explanation:

It is always wise to look carefully at the question to see what information is given, and what information you are asked for. You are given two different fractions of the same number, and you want the value of a third fraction of that number. That third fraction is the sum of the other two.

__

The value of 80% of the number will be the sum of 55% and 25% of the number.

  n×80% = n×55% +n×25%

  n×80% = 132 +60

  n×80% = 192

80% of the number is 192.

_____

<em>Additional comment</em>

Your first clue that there may be something special about this problem lies in the fact that one fraction of a number is all you need in order to find any other fraction. Here, we're given two fractions (55% and 25%), so that is more information than we need. Why? Because it simplifies the problem to one of addition. No proportions need to be solved.

__

If you were interested, you could determine 100% of the number to be ...

  132/n = 55/100   ⇒   n = 132(100/55) = 240

or

  60/n = 25/100   ⇒   n = 60(100/25) = 240

Then ...

  0.80n = 0.80(240) = 192 . . . . 80% of the number

Or, you could write proportions for the 80% value:

  80%/55% = n/132   ⇒   n = 132(80/55) = 192 . . . . 80% of the number

  80%/25% = n/60   ⇒   n = 60(80/25) = 192 . . . . 80% of the number

__

"Look carefully" includes thinking about the ways the <em>givens</em> and the <em>finds</em> are related.

4 0
2 years ago
What is the median number for the numbers 4, 8, 10, 5, 9
AVprozaik [17]


the answer is 10.

place your index fingers on the 4 & the 9 then move in toward the 10 the number in the middle is 10.

4 0
3 years ago
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