The expression represents commutative property of addition
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Answer:
506
Step-by-step explanation:
The count is multiplying by 1.5 each day, so after 4 days, it will have multiplied by 1.5^4 = 5.0625
Then the count is predicted to be ...
100·5.0625 ≈ 506.25
The count will be 506 after 4 days.
Answer: perimeter = 96mm, Area = 564mm².
Step-by-step explanation:
From the diagram, it is a trapezium, it has a rectangle joined together by a right angled triangle. Now to find the perimeter, we add all the dimensions together. To get the other side of the rectangle, which is also the perpendicular height of the figure, we take the Pythagoras. Let the perpendicular height = x
Therefore,
25² = ײ + 7²
625 = x² + 49
x² = 625 - 49
x² = 576
x. = √576
= 24.
Now the perimeter
= 20 + 25 + 7 + 20 + 24
= 96mm.
Area of the figure will be
= 1/2( a + b )h
Where a = 20, b = 20 + 7 = 27 and h = 24, now substitute for the values
( 20 + 27) x 24
---------------------
2
= 47 x 24/2
= 47 x 12
= 564mm²
Answer:
About 39.28%
Step-by-step explanation:
56-34=$22
22/56=39.28%
Hope this helps!
Answer:
Aside from rocks and fossils, radioactive dating can also be used to date man-made objects, such as archaeological materials and ancient artifacts. The scientists can estimate the age of the stone tools by looking at the age of the sediment layers where they are found. In this case, knowing the age of tools would involve dating the traces of charcoal in the ashes from the hearths.
Step-by-step explanation:
hope that thish hewped you im not suwe if thish wash youw question ow not o-o