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Katena32 [7]
2 years ago
8

Add these fractions 5/7 + 2/7 is it to 3 or

Mathematics
2 answers:
Anton [14]2 years ago
7 0
5+2=7 so 7/7 or 1 so your answer is 1
svp [43]2 years ago
3 0

Answer:

1

Step-by-step explanation:

5/7+2/7 add the numerator to equal 7/7 simplify to 1/1 equals 1

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Four ninths plus nine eighteenths :]
goldenfox [79]

Answer:  17/18

In words, this is seventeen eighteenths

==========================================

Work Shown:

4/9 + 9/18

8/18 + 9/18 ... see note below

(8+9)/18

17/18

----------------

note: To go from 4/9 to 8/18, we multiply top and bottom by 2. So that's why 4/9 = 8/18.

The diagram below shows a visual representation of why 4/9 = 8/18.

In the top row, I've drawn out 9 rectangles of the same size. Then I've shaded 4 of the 9 rectangles to represent the fraction 4/9. In the bottom row, I've cut each of those 9 rectangles into two smaller equal pieces, so we have 9*2 = 18 rectangles now. Note how the shaded regions are the same size, so this shows 4 green regions doubles to 2*4 = 8 yellow regions; therefore 4/9 is the same as 8/18.

8 0
2 years ago
Given the coordinates A (5, 7, -2) and B (8, 3, 4) in 3d space, express AB as:
lys-0071 [83]
The vector AB is found by subtracting the coordinates of point B from the coordinates of point A => (8, 3, 4) - (5, 7, - 2)

(8, 3, 4) - (5, 7, - 2) = (3, - 4, 6)

=>

a) a 3 x 1 column =

|  3  |
| -4  |
|  6  |

b) xi + yj + zk

=> 3i - 4j + 6k
4 0
3 years ago
What is the area of a trapezoid that has base lengths of 17 inches and 25 inches and a height of 14 inches?
gulaghasi [49]

Answer:

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Step-by-step explanation:

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3 years ago
At a bead store, glass beads cost $2.85 per ounce. What is the price for 8.6 ounces of glass beads?
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(2.85)(8.6) = $24.51
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Read 2 more answers
There is not one particular frequency distribution that is​ correct, but there are frequency distributions that are less desirab
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EXPLANATION:

The statement is true. Any correctly constructed frequency distribution is valid. However, some choices for the categories or classes give more information about the shape of the distribution.

7 0
3 years ago
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