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lesya [120]
4 years ago
10

Casandra bought 5 platters and there were 5 sandwiches in each platter with 6 different sandwiches

Mathematics
1 answer:
Gennadij [26K]4 years ago
8 0
The answer should be or is around 15 or 150
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Really easy....plz help if u can..will mark
goldenfox [79]

Answer:

The distributive property.

Step-by-step explanation:

The distributive property is when you distribute a number to different numbers in a parentheses. For example...

2*x would be 2x, and 2*4 would be 8.

4 0
3 years ago
Caroline earns $54 babysitting for 6 hours
Lady_Fox [76]
It would be $9 per hour all you have to do is divide 54 by 6 you get 9, unit rate is 1

I hope this helps
6 0
3 years ago
​f(x)=5​x reflected over the x axis
postnew [5]

Answer:

f(x) = -5x

Step-by-step explanation:

Just add a - sign to reflect it over the x axis

6 0
3 years ago
Two large topping pizzas cost $25.00. what is the constant of proportionality (k)?
Gemiola [76]
2k = 25

Divide 2 on each side

k = 12.5

Each pizza would cost $12.50

Hope this helps!

5 0
4 years ago
There are 5 questions on a multiple choice exam, each with five possible answers. If a student guesses on all five questions, wh
Mrac [35]

Answer:

20.5\%

Step-by-step explanation:

Let's write out a case for two specific questions being correct and the rest being incorrect:

\frac{1}{5}\cdot \frac{1}{5}\cdot \frac{4}{5}\cdot \frac{4}{5}\cdot \frac{4}{5},

The \frac{1}{5} represents the chances of getting the question correct, as there are 5 answers and 1 correct answer choice.

The \frac{4}{5} represents the chances of getting the question incorrect, as there are 5 answers and 4 incorrect answer choices.

The equation above does show the student getting two answers correct and three answers incorrect, but it only shows one possible case of doing so.

We can choose any two of the five questions to be the ones the student gets correct. Therefore, we need to multiply this equation by the number ways we can choose 2 from 5 (order doesn't matter): \binom{5}{2}=10.

Therefore, the probability the student gets two questions correct is:

\frac{1}{5}\cdot \frac{1}{5}\cdot \frac{4}{5}\cdot \frac{4}{5}\cdot \frac{4}{5}\cdot \binom{5}{2}=\frac{1}{5}\cdot \frac{1}{5}\cdot \frac{4}{5}\cdot \frac{4}{5}\cdot \frac{4}{5}\cdot 10=0.2048\approx \boxed{20.5\%}

6 0
3 years ago
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