Ms. Nellies has 2 pints of vinegar for her students to use in a science experiment. Each
1 answer:
Answer:
incorrect; 2½ ÷ ¾ = 3⅓; 2½ ÷ ⅜ = 6⅔; six
Step-by-step explanation:
Assume that Trey's number line model is like the first one below.
That model is incorrect.
The distance from 0 to 1 has four tick marks, so each mark represents the fraction ¼.
Trey is jumping three of them (¾) at a time.
Trey's number line represents the expression
2½ ÷ ¾ = 3⅓
The correct number line model is the second one below.
It represents the expression
2½ ÷ ⅜ = 6⅔
Ms. Nellies has enough vinegar for six groups of students
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
Hello There!
First thing we want to do is find the formula for circumference of a circle
C = 2(3.14)r
where r = radius
we are given the diameter so we have to convert that into radius to do so we just divide by 2
42/2=21 so the radius equals 21 inches
now we just plug in 21 for r in the formula
So we can conclude that the circumference of the circle is 131.88 inches