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Ulleksa [173]
3 years ago
10

Helpppp please anyone. I don't understand

Mathematics
1 answer:
vovikov84 [41]3 years ago
7 0
The area is 21cm squared. u would have to find the length of the bottom triangle which is 14. than multiply that by the height which is 3. finally divide that all by 2 and youll get the area
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Which table shows a proportional relationship between X and Y?
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So when you are adding fractions how do you know when you need to simplify the numbers and how do you simplify?
rosijanka [135]

Let's look at an example.

We'll add the fractions 1/6 and 1/8

Before we can add, the denominators must be the same.

To get the denominators to be the same, we can...

  • multiply top and bottom of 1/6 by 8 to get 8/48
  • multiply top and bottom of 1/8 by 6 to get 6/48

At this point, both fractions involve the denominator 48. We can add the fractions like so

8/48  + 6/48 = (8+6)/48 = 14/48

Add the numerators while keeping the denominator the same the entire time.

The last step is to reduce if possible. In this case, we can reduce. This is because 14 and 48 have the factor 2 in common. Divide each part by 2.

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The fraction 14/48 reduces to 7/24

Overall, 1/6 + 1/8 = 7/24

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Find the slope of the line through each pair of points.3) (3, -10), (14, -10)
mariarad [96]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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