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3 years ago

WILL MARK BRAINLIEST!!!! PLEASEEEE HELP!

Mathematics

1 answer:

Sedaia [141]3 years ago

3 0

Answer:

-_-

Step-by-step explanation:

im not in highschool o-0

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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

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

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

7 0

3 years ago

Marnie Walsh purchased a deluxe dictionary for $38.75 and a full-color atlas for $41.10. The state sales tax is 6%, the city tax

hjlf

Tax=2.5+6+1=9.5
deluxe=38.75x1.095=42.43125
fc atlas=41.10x1.095=45.0045
total purchase price=87.43576
rounded=87.44

3 0

3 years ago

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Will give brainliest !!

lesya692 [45]

Answer:

$[B]=2$

Step-by-step explanation:

$B=\left[\begin{array}{ccc}3x-5&-3+2y\\11-3x&2y-5\end{array}\right]$

With $x=3$ and $y=4$

$B=\left[\begin{array}{ccc}3(3)-5&-3+2(4)\\11-3(3)&2(4)-5\end{array}\right]$

$B=\left[\begin{array}{ccc}9-5&-3+8\\11-9&8-5\end{array}\right]$

$B=\left[\begin{array}{ccc}4&5\\2&3\end{array}\right]$

solving the determinant of matrix B

$[B]=\left[\begin{array}{ccc}4&5\\2&3\end{array}\right]=(4.3-5.2)=(12-10)=2$

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3 years ago

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Please help asaaappppppp

Semenov [28]

The root of 135 is about 11.6 something. So it's rather b

5 0

3 years ago

Answer please? a girl needs help like right now:))

Stells [14]

Answer:

Step-by-step explanation:

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3 years ago

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