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3 years ago

Kelly ate 3 apples. this represents 50% of the bag of apples.how many apples were originally in the bag?

2 answers:

8 0

I will tell you the answer, and you can comment if you want to find out how I got it!

The answer is 6 apples

Hope this helped!

Comment if you have questions!!!

Mariana [72]3 years ago

7 0

There were 6 apples in the bag

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Algebra Functions and Data Analysis

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Range should be (-∞ , 10]

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How Many Times Done 16 go Into 78!??!!!!?!!?!??!?!?! HELP ME!!!

Vika [28.1K]

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4.87500

Step-by-step explanation:

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2 years ago

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Please solve this problem.

just olya [345]

x=number of oranges.

y=number of bananas.

we can suggest this system of equations:

x+y=12

0.5x+0.25y=5

We can solve this system of equations by substitution method.

x=12-y

0.5(12-y)+0.25y=5

6-0.5y+0.25y=5

-0.25y=5-6

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y=-1 /- 0.25=4

x=12-y

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Answer:

<em>Tanya bought 8 oranges and 4 bananas.</em>

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2 years ago

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A test consists of 100 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean a

TEA [102]

Answer: Mean = 20 and standard deviation = 4

Step-by-step explanation:

Let x represents the success of getting the correct answer.

Here, the total number of trials(n) = 100

The probability of getting the correct answer, p = 1/5

Thus, the mean of the number of correct answer,

$\mu_x= np$

$\mu_x= 100\times 1/5$

$\mu_x= 20$

Now, the standard deviation, $\sigma_x= \sqrt{n\times p\times (1-p)}$

$\sigma_x= \sqrt{100\times 1/5\times 4/5}$

$\sigma_x= \sqrt{16}$

$\sigma_x= 4$

Thus, First option is correct.

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3 years ago

What percent of 25 is 5

SSSSS [86.1K]

What percent of 25 is 5?

5/25

5 ÷ 25 = 0.2

0.2 × 100 = 20
20%

5 is 20% of 20.

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3 years ago

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