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Scilla [17]
1 year ago
14

Amanda worked 10 hours Monday through Friday. She worked an additional 5 hours on Saturday. She makes $14.25 an hour. What are A

manda’s wages? Her company calculates overtime by stacking up her hours for the whole week.
Mathematics
1 answer:
Liono4ka [1.6K]1 year ago
5 0

Answer:

10x5days+5=55

55÷14.25

=50.35

Step-by-step explanation:

Amanda earn $50.35. Amanda's wage is $50.35

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After a 13% price reduction, a boat sold for $25,230. What was the boat's price before the reduction? (Round to the nearest cent
sashaice [31]

Answer:

The boat's price before the reduction was $ 29,000.

Step-by-step explanation:

Given that after a 13% price reduction, a boat sold for $ 25,230, to determine what was the boat's price before the reduction, the following calculation must be performed:

100 - 13 = 87

87 = 25230

100 = X

100 x 25 230/87 = X

2523000/87 = X

29000 = X

Therefore, the boat's price before the reduction was $ 29,000.

4 0
2 years ago
a washer and dryer cost $586 combined. the washer costs $64 less than the dryer. what is the cost of the dryer?
oksano4ka [1.4K]
Hello!

*I'm not very good at algebra, so I am not 100% sure this is correct!*

w = cost of washer

d = cost of dryer

w + d = $586

w = d - 64

d - 64 + d = 586

2d = 586 + 64

2d = 650

d = 650 / 2 = 325

586 - 325 = 261

Check 325 - 261 = 64

So, the dryer costs $325 and because the washer is $64 less than the dryer, it costs $261.

7 0
3 years ago
Is this graph proportional?
LenKa [72]

Answer:

Yes it is. becaus its even

3 0
2 years ago
WILL GIVE BRAINLY,5 STARS,AND THANK<br><br> 320/40 = 32 tens / 4 tens
victus00 [196]

Answer:

320/4=8   8 tens /4 tens =2

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Although cities encourage carpooling to reduce traffic congestion, most vehicles carry only one person. For example, 64% of vehi
ira [324]

Answer:

a) 0.7291 is the probability that more than half out of 10 vehicles carry just 1 person.

b) 0.996 is the probability that more than half of the vehicles  carry just one person.    

Step-by-step explanation:

We are given the following information:

A) Binomial distribution

We treat vehicle on road with one passenger as a success.

P(success) = 64% = 0.64

Then the number of vehicles follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 10

We have to evaluate:

P(x \geq 6) = P(x =6) +...+ P(x = 10) \\= \binom{10}{6}(0.64)^6(1-0.64)^4 +...+ \binom{10}{10}(0.64)^{10}(1-0.79)^0\\=0.7291

0.7291 is the probability that more than half out of 10 vehicles carry just 1 person.

B) By normal approximation

Sample size, n = 92

p = 0.64

\mu = np = 92(0.64) = 58.88

\sigma = \sqrt{np(1-p)} = \sqrt{92(0.64)(1-0.64)} = 4.60

We have to evaluate the probability that more than 47 cars carry just one person.

P(x \geq 47)

After continuity correction, we will evaluate

P( x \geq 46.5) = P( z > \displaystyle\frac{46.5 - 58.88}{4.60}) = P(z > -2.6913)

= 1 - P(z \leq -2.6913)

Calculation the value from standard normal z table, we have,  

P(x > 46.5) = 1 - 0.004 = 0.996 = 99.6\%

0.996 is the probability that more than half out of 92 vehicles carry just one person.

5 0
2 years ago
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