Kacey was draining a pool that was 12 feet deep. She started draining the pool at 7am. By 9am, the water level was 8 feet. Write
1 answer:
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Let's assume
number of small notebooks =x
number of large notebooks =y
we are given
total number of notebooks =31
so, we get
now, we can solve for y
we have
Small notebooks cost $3.50 and large notebooks cost $5.00
she has $134 to spend
so, we get
now, we can plug y
now, we can find y
so,
number of small notebooks is 14
number of large notebooks is 17.............Answer
Answer:
C
Step-by-step explanation:
The length of arc AC (L) is calculated as
L = circumference of circle × fraction of circle
= 2πr ×
= 2π × 12 ×
= 2π × 5
= 10π ≈ 31.42 → C