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valentinak56 [21]
3 years ago
15

Adding the fractions 3/14+2/21+1/6

Mathematics
1 answer:
NARA [144]3 years ago
6 0

Answer:

\frac{10}{21}

Step-by-step explanation:

The LCM of 14, 21 and 6 is 42

We require to change the fractions to fractions with a denominator of 42

\frac{3(3)}{14(3)} + \frac{2(2)}{21(2)} + \frac{1(7)}{6(7)}

= \frac{9}{42} + \frac{4}{42} + \frac{7}{42} ← add the numerators, leaving the denominator

= \frac{9+4+7}{42}

= \frac{20}{42} ← divide both values by 2

= \frac{10}{21} ← in simplest form

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Yvonne wants to cover the back of her smartphone with a decorative pattern. If the phone's length is 12 foot and width is 16 foo
Schach [20]

Answer:

192 square meters

Step-by-step explanation:

Imma assume her phones a rectangle, so you're gonna length times width

L x W = area

12 x 16 = area

192 = area

8 0
3 years ago
Find the difference of (6x² + 3x - 5) and (4x² – 2x +3) <br><br> 50 points
steposvetlana [31]

Answer:

there is no difference between the two because the first equation answer is -3 but there is no answer to the second equation because both of the numbers doesn't have a factor of 12

Step-by-step explanation:

5 0
3 years ago
The table shows the number of tickets each team sold. If they sold the same, how many did each sell? Remember to continue beyond
BartSMP [9]

Answer:

  each sold 60 tickets

Step-by-step explanation:

Apparently, you're supposed to set the expressions equal and solve for t; then find the values of the expressions.

  60(t -1) = 20(t +1)

  60t -60 = 20t +20  . . . . . eliminate parentheses

  40t = 80 . . . . . . . . . . . . . . add 60 -20t

  t = 2 . . . . . . . . . . . . . . . . . . divide by 40

__

  60(2 - 1) = 60 . . . . . solve for Falcons sales

  20(2 + 1) = 60 . . . . .solve for Eagles sales (should be equal; it is)

Each team sold 60 tickets.

8 0
3 years ago
If the first and the last terms of an arithmetic series are 10 and 62, show that the sum of the series varies directly as the nu
Nitella [24]

Answer:

10+^@=72_^) + the series

Step-by-step explanation:


6 0
3 years ago
NEED HELP NOW 100 POINTS NEED 1 PARAGRAPH EACH EXPLAINING QUESTIONS 9 AND 10 WILL MARK BRAINLIEST ANSWER!!!
amm1812
9) Area of Figure = Area of rectangle + area of triangle

A = 17 * 22 + (1/2 * 12 * 19)

A = 374 + 114

A = 488 cm²

10) Area of Figure = Area of rectangle + area of triangle

A = 8 * 4 + (1/2 * 3*4)
A = 32 + 6

A = 38 cm²

Hope this helps!
7 0
4 years ago
Read 2 more answers
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