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suter [353]
3 years ago
7

A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experim

ental probability of pizza or steak?P(pizza or steak)
Mathematics
1 answer:
larisa [96]3 years ago
7 0

Answer:

To find the experimental probability you have to find the number of times the event occurred and the number of times the activity is preformed then divide the two numbers

Step-by-step explanation:

I’m not quite sure on the answer I believe it’s 1.3

have a great day!

brainliestif correct I need 4 more to rank up thanks!

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.) A florist wishes to make bouquets of mixed spring flowers. Each bouquet is to be made up of tulips at $10 a bunch and daffodi
LekaFEV [45]

We have the following:

1.

let x a tulips

let y daffodils

therefore:

\begin{gathered} x+y=15\rightarrow x=15-y \\ 10x+7y=(x+y)8\rightarrow10x+7y=120 \end{gathered}

solving:

\begin{gathered} 10\cdot(15-y)+7y=120 \\ 150-10y+7y=120 \\ 10y-7y=150-120 \\ 3y=30 \\ y=\frac{30}{3}=10 \end{gathered}

for x:

x=15-10=5

Therefore, the answer is 5 tulips and 10 daffodils

2.

let x a 30% silver

let y a 55% silver

\begin{gathered} x+y=800\rightarrow x=800-y \\ 30x+55y=40\cdot(x+y)\rightarrow30x+55y=32000 \end{gathered}

solving:

\begin{gathered} 30\cdot(800-y)+55y=32000 \\ 24000-30y+55y=32000 \\ 25y=32000-24000 \\ y=\frac{8000}{25} \\ y=320 \end{gathered}

for x:

x=800-320=480

Therefore, the answer is 480 pounds of 30% silver and 320 pounds of 55% silver

3 0
1 year ago
Easy khan academy math. please answer asap
Monica [59]

Answer:

\boxed{\sf B \ and \ C}

Step-by-step explanation:

The triangle is a right triangle.

We can use trigonometric functions to solve.

\sf sin(\theta)=\frac{opposite}{hypotenuse}

\sf sin(60)=\frac{5.2}{KL}

\sf KL=\frac{5.2}{sin(60)}

\sf sin(90-60)=\frac{3}{KL}

\sf KL=\frac{3}{sin(90-60)}

8 0
3 years ago
What is the reason for each step in the solution of the equation?
Otrada [13]

3 + 4x - 3x = 4 ( given )

3 + x = 4 ( combine like terms )

subtract 3 from both sides (subtraction property of equality )

x = 4 - 3

x = 1


4 0
4 years ago
How long is 1 million days ago in hours in scientific notationHow long was Amelia days ago and I was in scientific notation
Tanya [424]

Answer:

24,000,000 hours

Step-by-step explanation:

1,000,000 days x 24 hours = 24,000,000 hours

8 0
3 years ago
7/5*100 fraction into percentage​
puteri [66]

Answer:

140 percent is the answer

5 0
3 years ago
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