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ki77a [65]
3 years ago
14

I will give brainliest but you need to explain how you received the answer so i can learn how to do it on my own/// thanks!

Mathematics
1 answer:
Readme [11.4K]3 years ago
6 0
To solve this problem we must know that when any two lines intersect , a pair of opposite angles from the figure Will be equal
so that means that
4x + 20 = 3x + 55
we can subtract twenty from each side
4x + (20 - 20) = 3x + (55 - 20)
4x = 3x + 35
now we can subtract like terms
4x - 3x = (3x - 3x) + 35
so we can get the final answer as
1x = 35
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Start by drawing a large square. Cut this figure into 10 rows and 10 columns. So this means you'll have 10*10 = 100 little squares. 

Now highlight the first 7 rows. Shade in all 70 squares (7*10 = 70)
Starting on the left side, highlight the first 8 columns. You'll shade in 80 squares (8*10 = 80)

Use different colors for your highlighting or somehow indicate different shading styles. This way you can see the overlapping region. The overlapping region consists of 56 squares (7 rows, 8 columns ---> 7*8 = 56 little squares)

Each little square represents 0.01, so having 56 of them means we have 0.56

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How is this different if we had 1.7*0.8? Well we can break 1.7 into 1+0.7 to have

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The portion (0.7*0.8) was done earlier. That result was 0.56. So we just need to compute (1*0.8), which is simply 0.8; recall that 1 times any number is that number itself.

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