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tatyana61 [14]
3 years ago
6

What Is The Least Common Denominator For The Fractions 5/12 And 7/18

Mathematics
2 answers:
weeeeeb [17]3 years ago
4 0
A. 36, the reason being is because 18x 2 is 36 and 12 x 3 is 36
omeli [17]3 years ago
3 0
The least common denominator.

Take out the 12 and 18.

2 /  12    18         
2 /   6      9
3 /   3      9
3 /    1     3
   /    1     1

Least common denominator = 2 * 2 * 3 * 3 = 36

A) is the answer.

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Bogdan [553]

Answer:

d

Step-by-step explanation:

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3 years ago
Jimmy thought he had purchased 7 folders but he only purchased 6. What was his percent error?
QveST [7]

6 percent of 7 is 86% so the percentage error is 24%

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Classify the triangle​
Bogdan [553]

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Read 2 more answers
The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is four times
prohojiy [21]

Answer:

{36, 66, 78}

Step-by-step explanation:

Let the measures of the three angles be f, s and t, for first, second and third.  Then s + t = 4f, t = 12 + s, and f + s + t = 180.

Subbing 12 + s for t in the first equation, we get s + 12 + s = 4f.

Subbing the same in the third equation, we get f + s + 12 + s = 180

This results in two equations in two unknowns (f and s):

2s - 4f = -12

2s  + f  = 168.

Let's eliminate s by subtracting the first of these two equations from the second.  Doing so yields 5f = 180.  Then the first angle, f, or x, is 36.

Then, from 2s + f = 168, we get 2s + 36 = 168, or 2s = 132.  Thus, the second angle is s = y = 66.

The sum of the three angles must be 180.  Thus, 36 + 66 + t = 180, or

102 + t = 180, or t = z = 78.

The three angles are

{36, 66, 78}.

3 0
3 years ago
You are certain to get a red card when selecting 27 cards from a shuffled deck. Express the indicated degree of likelihood as a
fgiga [73]

Answer:

If something is guaranteed, it has a probability of 100%, or 1.

Step-by-step explanation:

A standard deck has 52 cards. Of these, half are red cards (diamonds and hearts) and half are black cards (clovers and spades)

Half of the deck is 26 cards (52 ÷ 2 = 26), so you have 26 red and 26 black cards.

What this means in our context is, if we draw 27 cards, even if we drew all 26 black cards, we would still have 1 red card.

So the probability is 100%, or 1, of drawing a red card when we pick 27 cards from a deck, no matter how it's shuffled

7 0
3 years ago
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