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Stells [14]
2 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]2 years ago
8 0

Answer:

80%

Step-by-step explanation:

75% + 20% - 15% = 80%

The probability is 80%

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One gallon is 3.8 litres. How many litres will you need for 675 square ft? Show your work!
vazorg [7]

Answer:

2565 square ft

Step-by-step explanation:

675 x 3.8 = 2565 square feet

6 0
3 years ago
So I keep getting 188 or 88 but I got the reminder right I’m not sure what I did wrong
9966 [12]

Answer:

Step-by-step explanation:

7619 / 7

= 1088 remainder 3.

3 0
3 years ago
A rectangular poster is to contain 722 square inches of print. the margins at the top and bottom of the poster are to be 2 inche
Delvig [45]
Let
x ----------> the height of the whole poster
<span>y ----------> the </span>width<span> of the whole poster
</span>
We need to minimize the area A=x*y

we know that
(x-4)*(y-2)=722
(y-2)=722/(x-4)
(y)=[722/(x-4)]+2

so
A(x)=x*y--------->A(x)=x*{[722/(x-4)]+2}
Need to minimize this function over x > 4

find the derivative------> A1 (x)
A1(x)=2*[8x²-8x-1428]/[(x-4)²]

for A1(x)=0
8x²-8x-1428=0
using a graph tool
gives x=13.87 in

(y)=[722/(x-4)]+2

y=[2x+714]/[x-4]-----> y=[2*13.87+714]/[13.87-4]-----> y=75.15 in

the answer is
<span>the dimensions of the poster will be
</span>the height of the whole poster is 13.87 in
the width of the whole poster is 75.15 in

6 0
3 years ago
The area of a trapezium is 384cm². Its parallel sides are in the ratio3 : 5 and the perpendicular distance between them is 12 cm
Pani-rosa [81]
Area of trapezium=384 square cm
Ratio of parallel sides=
Distance between parallel sides=h=12 cm
5 0
3 years ago
Please help me no links just answers
xenn [34]

Answer:

for part A its C and for B its 2

Step-by-step explanation:

The total is 28 and there is 13 points total so you have to do 28/13

4 0
2 years ago
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