Answer:
7. Approximately 402.7 inches or 2pi times 64
8. 31.83 To solve this you know 2pi r is an equation for the radius. 2πr=200 and r=200/2π=100/π= 31.83.
9. The one with pi in the equation because 3.14 is only a piece of pi but the symbol represents the whole number which goes on forever.
Step-by-step explanation:
Answer:The first graders began to count, naming each integer up to 100.
Step-by-step explanation:
Answer:75+8.5X=580
580-75=505
505/8.5=59.4117647059
about 59 students could go
Answer:
18 square units
Step-by-step explanation:
area = full square units + 1/2 x half- full square units
full square units = 12
half- full square units = 12
= 12 + (1/2 x 12)
=12 + 6
=18 square units
Answer:
2 and 20
Step-by-step explanation:
First how can we get rid of the fraction?
We can multiply -1/2 by 2 to get -1
Next what number do we multiply to get from -1 to -20?
-1x = -20
divide both sides by -1
x = 20
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