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Agata [3.3K]
3 years ago
6

Such that |x-a|<\varepsilon and $x-b|<\varepsilon. can $a$ be countable? can $a$ be uncountable?

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0
It will be uncountable

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An electronic store sold 6% of the cell phones that were on sale. If only 21 cell phones were sold,
Korvikt [17]

Answer:

The answer is below

Step-by-step explanation:

Let x represent the number of phones that were on sale, given that 6% of the cell phones that were on sale, therefore:

number of cell phones sold = 6% of x = 0.06 × x = 0.06x

21 phones were sold, hence:

0.06x = 21

x = 21/0.06

x = 350 phones

This means that 350 cell phones were on sale.

Number of cell phones not sold = total number of cell phones that were on sale - number of cell phones sold

Number of cell phones not sold = 350 - 21

Number of cell phones not sold = 329

4 0
3 years ago
Dana takes a sheet of paper and cuts from one corner to the opposite corner, making two triangles. If the piece of paper is 8 in
Bas_tet [7]

Answer:

9.4 inches

Step-by-step explanation:

The triangle formed is  aright angled triangle with the right angle between the  length and width of the paper cut hence the diagonal represents the hypotenuse side.

Recall that Pythagoras theorem states that

a^2 + b^2 = c^2 where c is the hypotenuse side and a, b are the opposite and adjacent sides

Hence

8^2 + 5^2 = c^2

c^2 = 64 + 25

= 89

Finding the roots of both sides

c = 9.433981132

To the nearest tenth

c = 9.4 inches

6 0
3 years ago
A copy machine makes 36 copies per minute. how many copies does it make in 3 minutes and 45 seconds
Gemiola [76]
A copy machine makes 36 copies in a minute (1).

Multiply 36 copies by 3.75 (3 min and 45 sec) to find how many copies it can make within that time.
(36)(3.75) = 135

The copy machine can make 135 copies in 3 minutes and 45 seconds.
5 0
4 years ago
Read 2 more answers
Please help me on this question
riadik2000 [5.3K]
The equation is 10 + 2x= 56; 56 - 10= 46; 46 ÷ 2= 23,
The answer is 23 people.

Hope this helps :)
6 0
4 years ago
8^6 * 8^4 Rewrite the expression in the form 8^n
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8^6*8^4 is 1073741824 I think that is 8^10
6 0
3 years ago
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