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OleMash [197]
2 years ago
10

What percentage of the blocks is shaded in the picture?

Mathematics
1 answer:
emmasim [6.3K]2 years ago
7 0
Hello! So the blocks are lined up in rows of 8. When you count the number of rows, there are 10 of them. 3 rows of 8 blocks are shaded out of 10 of them. That's 24 blocks shaded out of 80, because 8 * 10 is 80, and 3 * 8 is 24. Let's divide. 24/80 is 0.3.Let's multiply that by 100 to get it in percent form. 0.3 * 100 is 30. There. 30% of blocks are shaded in the picture.
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Evaluate: x(y - xy), where x = -5 and y= -2
yulyashka [42]

Answer:

60

Step-by-step explanation:

You would just plug everything in so you get -5(-2-(-5)(-2)) which can be reduced so -5(-12) which is 60

5 0
2 years ago
Three of the angles of a quadrilateral  are 90 , 156  and 28 . what is the size of the 4th angle?
anyanavicka [17]
The sum of the sides of a quadrilateral is equal to 360º.
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2 years ago
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Nadusha1986 [10]
See attached picture for solution:

6 0
3 years ago
A long time ago Dulani found an island shaped like a triangle with three straight shores of length 3 km 4 km and 5 km.He said no
VikaD [51]
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You would add 2 km to the 3 km, and 2 km to the 4 km to create a new height of 5 km and a new base of 6 km.

Please see the attached picture to understand this.

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5 0
3 years ago
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