38 plus what equals 180
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Which of the following points lies on the circle whose center is at the origin and whose radius is 10?(-6, 4) (square root of 10, square root of 10) (6, -8)
B. 20
C. 26
D. 12
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Answer:
Option B. 20 pieces
Step-by-step explanation:
The length of a strip of wood = 78 inches
This strip of wood is to be cut into pieces = inches
We have to calculate how many pieces can be cut.
So first we convert mixed fraction to proper fraction and then to decimal.
=
= 3.75 inches
Now we divide 78 inches to 3.75 inches.
78 ÷ 3.75 = 20.8 pieces
we got 20 pieces of inches.
Option B. 20
B. 20 (do 78 divided by 3.75 (3 3/4) and that equals 20.8)
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She has got a head start of 15 feet.
So after 1 second, Pattie runs = (5+15) ft
= 20 ft
After 2 second Pattie runs = (20+5)ft
= 25 ft
After 3 second Pattie runs = (25+5) ft
= 30 ft
After 4 seconds Pattie runs = (30+5) ft
= 35 ft
After 5 seconds Pattie runs = (35+5) ft
= 40 ft
After 6 seconds Pattie runs = (40+5) ft
= 45 ft
Now Keith runs at 8 ft/sec
After 1 second Keith runs = 8 ft
After 2 second Keith runs = (8+8) ft
= 16 ft
After 3 second Keith runs = (16+8) ft
= 24 ft
After 4 second Keith runs = (24+8) ft
= 32 ft
After 5 second Keith runs = (32+8) ft
= 40 ft
After 6 second Keith runs = (40+8) ft
= 48 ft
So Pattie will stay ahead of Keith upto 4 seconds. In the 5th second Pattie and Keith will be level and in the 6th second Pattie will be overtaken by Keith.
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For this case, we have that by definition, the proportions can be expressed in different ways. Example, if we have a dog and three cats:
75%: It's percentage
0.75: In decimal (75% are cats)
: In fraction. (There are
of cats)
: Using ":" to separate sample values. (For every three cats there is a dog)
Care should be taken with the proportions, always multiplying the numbers in the proportion by the same value.
Example:
Answer:
Care should be taken with the proportions, always multiplying the numbers in the proportion by the same value.