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Arlecino [84]
4 years ago
12

I have no idea on how to do this please help now!!

Mathematics
1 answer:
siniylev [52]4 years ago
6 0
That line is the radius. to get the area you take that number and square it, so 5 squared. to find the circumference you take two time pi(3.14) times the radius (5) I hope that helps! 
area= 25ft squared
circumference= 31.4
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In 1990, 75% of all high school seniors had jobs. In 2010, 40% of all seniors had jobs. If there were 50 more seniors in 2010 th
Maru [420]

Answer:

There were 333 seniors in 1990

153 seniors had jobs in 2010.

Step-by-step explanation:

Let the number of high school seniors in 1990 = x

75% of x had jobs in 1990

In 2010 there were 50 more seniors. That is, the number of seniors is x+50.

40% of (x+50) had jobs in 2010.

Total number of jobs in both years = 403.

\[0.75 * x + 0.4 * (x + 50) = 403\]

\[0.75 * x + 0.4 * x  + 20 = 403\]

=> \[1.15 * x  = 403 - 20\]

=> \[1.15 * x  = 383\]

=> \[x  = 383/1.15\]

=> \[x  = 333\]

Number of seniors having job in 2010 = 0.4 * (333 + 50) = 0.4 * 383 = 153.2 = 153(approx)

7 0
3 years ago
A shipment to a warehouse consists of 4,250 MP3 players. The manager chooses a random sample of 50 MP3 players and finds 2 that
natulia [17]

number of MP3 players: 4500 based on information given, 2 out of 50 MP3 players are defective. this means every 50 samples, 2 would be defective  4500/50 = 90 90 • 2 = 180 so, your final answer would be: 180 MP3 players in the shipment are likely to be defective

8 0
3 years ago
Can you solve 2|x+4|<-10
Umnica [9.8K]

Answer: no solution

Step-by-step explanation: the answer will be negative

7 0
3 years ago
Two minor league baseball players got a total of 292 292 hits. washington had 18 18 more hits than sanchez. find the number of h
koban [17]
Let number of hits by Sanchez be x.

Number of hits by Washington = 18 + x

Total number of hits = 292

x + 18 + x = 292

2x + 18 = 292

2x = 274

x = 137

Hence, Sanchez has 137 hits and Washington has 155 hits.
7 0
4 years ago
30
slavikrds [6]

Answer: 11/30

Step-by-step explanation: looking at this question that was given to us and to find the probability, then we will go by saying that;

Probability of an event (E) = number of outcome of Event E/total number of all event

Prob(Basebase player)=11/30

Going by this, then we are going to have our answer as 11/30

8 0
4 years ago
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