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UkoKoshka [18]
3 years ago
8

A race begins with 2 1/2 miles through town, continues through the park for 2 1/3 miles, and finishes at the track after the las

t 1/6 mile. A volunteer is stationed every quarter mile and at the finish line to pass out cups of water and cheer on the runners. How many volunteers are needed?
Mathematics
1 answer:
aleksklad [387]3 years ago
5 0
20 volunteers. Add up all the distances, then divide by 0.25 (one quarter)
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If s is true and j is false, is the following true or false (~s v j) ^ (s v~ j)
nexus9112 [7]
S = true
~s = false
-------------
j = false
~j = true
-------------
~s = false and j = false, so,
~s v j = (false) v (false)
~s v j = false
-------------
Similarly,
s v ~j = (true) v (true)
s v ~j = true
-------------
We have 
~s v j = false
and 
s v ~j = true
which lead to this when we conjunct the two logical expressions
(~s v j) ^ (s v ~j) = (false) ^ (true)
(~s v j) ^ (s v ~j) = false
-------------
-------------
The final answer is false

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Answer:

C.

Step-by-step explanation:

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Write the following expression in words 8+1/2*(9-3)
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Eight plus one-half times nine minus three.
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3 years ago
50 ounces is how many pounds
Vsevolod [243]
The Answer is 3.125 Hope This Helps:)
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Pete took a sample of moviegoers to see how many are seeing a comedy. Sample size: 175 Number seeing a comedy: 42 Population: 1,
Anastaziya [24]

Answer: Part A : c = n.p

Part B = 366 moviegoers

Step-by-step explanation: In part A, to predict the number of moviegoers, we have to find the <u>proportion</u> of the sample that does the activity, which will called <u>p</u>. Since <u>p</u> is a percentage, to determine how many moviegoers are seeing a comedy, you multiply it by the sample size, <u>n</u>.

Therefore: c = n.p

For part B, based on the the sample:

p = \frac{42}{175} = 0.24

The total population is given: 1,525

c = 0.24.1,525

c = 366

Based on the sample, <u>366</u> <u>people</u> are seeing a comedy.

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3 years ago
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