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Stells [14]
3 years ago
13

In a clothing store, 75% of the customers buy a shirt, 20% of the customers buy a pair of pants, and 15% of the customers by bot

h the shirt and a pair of pants. If a customer is chosen at random what is the probability that he or she buys a shirt or a pair of pants?
Mathematics
1 answer:
svlad2 [7]3 years ago
8 0

Answer:

80%

Step-by-step explanation:

75% + 20% - 15% = 80%

The probability is 80%

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Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary. 3 log 2x = 4
ch4aika [34]
3 log 2x = 4

==> log 2x = 4/3

==> 2x = 10^(4/3)

==> x =  \frac{10^(4/3)}{2} 
7 0
3 years ago
Which equation below represents a line with a slope of - 2/3 that passes through the point (-4.5 , 10)?
Lostsunrise [7]

Answer:

Option C

Step-by-step explanation:

If a line passes through a point, then that point is called a solution to the line's equation. Substituting the x and y values of that solution into the equation will give a true statement. So, to find out which option is correct, we can substitute the x and y values of (-4.5, 10) into each equation and see if the result is a true statement.  

Let's try this with option C. To make things easier, convert -4.5 into decimal form: -4\frac{1}{2}. Substitute -4\frac{1}{2} for x and 10 for y in the equation, then solve:  

y = -\frac{2}{3} x+7\\\\10 = -\frac{2}{3} (-4\frac{1}{2} )+7\\10 = -\frac{2}{3} (-\frac{9}{2})+7\\10 = 3+7\\10 = 10

10 does equal 10, so this is a true statement. Option C is the right answer.

8 0
2 years ago
2y - 7+ 5y = 0<br> Step by step work
Ugo [173]

Answer:

y=1

Step-by-step explanation:

2y+5y-7=0

Combine y: 7y-7=0

Move 7 over: 7y=7

Divide by 7:y=1

5 0
3 years ago
a dance instructor earned $75 for teaching three classes The instructor receives a 10% raise enter how much the instructor earns
Tamiku [17]

Answer:

82.50

Step-by-step explanation:

4 0
3 years ago
I was just wondering if this was right most likely not
MrRa [10]

Answer:

Yes you are correct :)

Step-by-step explanation:

Used a graphing calculator

4 0
3 years ago
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