2 years ago

How many solutions does this system show???

Mathematics

1 answer:

borishaifa [10]2 years ago

6 0

Answer:

this systems shows only one solution... not no solution.

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KiRa [710]

Answer:

12 presents

Step-by-step explanation:

4/6= 2/3

2/3 x 18 = 12

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3 years ago

Name two angles with identical measures<br><br> A. B. C. D.

Semmy [17]

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3 years ago

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Lubov Fominskaja [6]

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This Venn diagram shows the pizza topping preferences for 9 students. Let event A = The student likes pepperoni. Let event B = T

victus00 [196]

Answer:

$P(A\ or\ B)=\frac{7}{9}$

Step-by-step explanation:

We need to use the formula to calculate the probability of (A or B) where

A=Probability a student likes pepperoni

B=Probability a student likes olive

A and B =Probability a student likes both toppings in a pizza

A or B =Probability a student likes pepperoni or olive (and maybe both), a non-exclusive or

The formula is

$P(A\ or\ B)=P(A)+P(B)-P(A\ and\ B)$

Since 6 students like pepperoni out of 9:

$P(A) = \frac{6}{9}$

Since 4 students like olive out of 9:

$P(B) = \frac{4}{9}$

Since 3 students like both toppings out of 9

$P(A\ and\ B) = \frac{3}{9}$

Then we have

$P(A\ or\ B)=\frac{6}{9}+\frac{4}{9}-\frac{3}{9}$

$P(A\ or\ B)=\frac{7}{9}$

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3 years ago