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Korolek [52]
3 years ago
8

A bookworm burrows a hole through an eight-volume set of encyclopedia from the start of Volume 4 right through to the end of Vol

ume 7. Each encyclopedia is 5cm thick. How long is the bookworm's hole?
Mathematics
1 answer:
kvasek [131]3 years ago
3 0
It would be 20cm long through the book :)
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Kara travels at a constant speed of 72 miles per 2 hours. At this rate, how far does she travel after 6.5 hours?
dybincka [34]

Answer:

234 hours

Step-by-step explanation:

To find the miles per hour, divide 72 by 2 and that equals 36. So 36 miles every hour. So then do 36 × 6 which equals 216. So this is 216 miles in 6 hours, but you still need 0.5 of an hour, so to find how far she travels in 0.5 of an hour, divide the amount she travels in one hour by two. So 36 ÷ 2 which equals 18. So she travels 18 miles every 0.5 of an hour. Then add 18 to the 216 which equals 234.

Hope This Helps!!!

4 0
3 years ago
In ΔBCD, the measure of ∠D=90°, the measure of ∠B=31°, and CD = 1.6 feet. Find the length of BC to the nearest tenth of a foot.
son4ous [18]

Answer:

3.1066≈3.1 feet

Step-by-step explanation:

3.1066≈3.1 feet

6 0
3 years ago
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How many secare in 35 min?
Wewaii [24]
60 seconds are in each minute. To find the number of seconds in 35 minutes, you multiply 60 (seconds) by 35 (minutes.)  The answer is 2,100 seconds. 
8 0
3 years ago
Pls, help anyone- it's due tomorrow!
harina [27]

Answer: 65.94

Step-by-step explanation:

Find the area of the middle circle.

3.14 x 2² = 12.56

Pretend the white area doesn't exist and find the area of the shaded region.

3.14 x 5² = 78.5

Then subtract.

78.5 - 12.56 = 65.94

6 0
3 years ago
Find the mean,median,mode.and range of the data set:12,15,17,16,10
ZanzabumX [31]

Answer:

Mean: 14

Median: 15

Mode: All values appear just once

Range: 7

5 0
3 years ago
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