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2 years ago

Which of the following equations have exactly one solution?

Mathematics

1 answer:

marysya [2.9K]2 years ago

4 0

Answer: all of them

Step-by-step explanation:

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A coffee shop collected the following information regarding purchases from 110 of its customers 59 purchased coffee 39 purchased

Andrej [43]

Answer:

Let X be the number of customer purchased coffee

Let Y be the number of customer purchased donuts

Then $X\cap Y$ is the number of customer purchased both coffee and donuts

$X\cup Y$ is the number of customer purchased both coffee or donuts

The Number of customers purchased only Coffee:

Number of customers purchased only donuts =n(X -Y)

$n( X -Y) = n(X) - n(X \cap Y)$

n(X-Y) = 59 -16

n(Y - X) = 43

The Number of customers purchased only donuts:

Number of customers purchased only donuts =n(Y -X)

$n(Y - X) = n(Y) - n(X \cap Y)$

n(Y - X) = 39 -16

n(Y - X) = 23

The Number of customers did not purchase either of these items:

Number of customers did not purchase either of these items = $n(X\cup Y)^{\prime}$

First lets find $n(X\cup Y)$

$n(X\cup Y) = n(X) + n(Y) - n( X \cap Y)$

$n(X\cup Y) = 59 + 39 - 16$

$n(X\cup Y) = 82$

$n(X\cup Y)^{\prime}$ = $110 - n(X\cup Y)$ = 28

5 0

3 years ago

What does 2 + 2 = ?

12345 [234]

Answer:

Step-by-step explanation:

1+1+1+1 or 2 + 2

Apple exist in the world. This particular tree only have 4 perfect apples total. Because you only have one friend, they help you pick 2 out of the 4 apples. Then you pick 2 of the other apple. Without dropping or eating them, he gave both of his apple to you . How many apple do you have without dropping or eating them?

4 0

3 years ago

Read 2 more answers

Is the equation equal to, greater than, or less than the dividend? 12 divided by 1/4

svp [43]

Greater I’m pretty sure

4 0

3 years ago

Eliminate the arbitrary constant in the equation of xsiny+x^2(y)

vladimir1956 [14]

Answer:

siny2

Step-by-step explanation:

8 0

3 years ago

Using the graph above, create a system of inequalities that only contains points B and C in the overlapping shaded regions. Expl

k0ka [10]

1. The system of inequality is

y < 1.5x - 3

y < -2x/3 + 4

2. A is (2,-3)

E is (3,1)

-3 < 1.5(2) - 4

-3 < -1

1 < -2(3)/3 + 4

1 < 2

3. You can graph the inequality and see which schools inside the zone. Schools C and B are the schools he is allowed to attend.

hope it helps

8 0

2 years ago