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3 years ago

PLEASE HELP 25 POINTS!!!!! I NEED HELP ASAP

Mathematics

2 answers:

melisa1 [442]3 years ago

7 0

Answer:

Step-by-step explanation:

square has 4 sides and 100 divided by 4 is 25

Alexeev081 [22]3 years ago

4 0

Answer:

The answer is 25

Step-by-step explanation:

If she is trying to cover a square all four sides and she has 100 tiles 4 times 25 is 100 so it is B

Hope this helped :D

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The mean of a set of numbers is 8, and the mode is 9.

ryzh [129]

You can start by looking at the mode of the set of number automatically b and d are eliminated. We then proceed to calculate the mean so add all the numbers in A so it’ll be, 52 then divide by the amount of numbers in the set so 6. 52/6 =8.6
And C ends up being 48 so 48/6 = 8
Therefore your answer is C

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3 years ago

an ice cream company did a survey among high school students. it was found that 86 students liked vanilla ice cream and 48 of th

Kitty [74]

Answer:

300

Step-by-step explanation:

Students like Vanilla ice cream = 86

Out of 86 Students like chocolate ice cream too = 48

So, No. of students who like only vanilla=86-48 = 38

There were 12 students who did not like vanilla ice cream but liked chocolate ice cream.

There were 2 students who did not like either vanilla ice cream or chocolate ice

Like Vanilla Did not like vanilla Total

Like Chocolate 48 12 60

Did not like chocolate 38 2 40

Total 86 14 100

No. of students who like chocolate out of 100 = 60

Now we are supposed to find the number of students who would like chocolate ice cream when 500 high school students participate in the survey.

Let x be the number of students out of 500 who like chocolate

So, A.T.Q

$\frac{60}{100}=\frac{x}{500}$

$\frac{60}{100} \times 500=x$

$300=x$

Hence the number of students who would like chocolate ice cream when 500 high school students participate in the survey is 300.

4 0

3 years ago

Popcorn kernels pop independently (i.e. unimolecularly). For one brand at constant temperature, 12 kernels pop in 5 seconds when

likoan [24]

Answer:

no of kernels pop = 4.34

Step-by-step explanation:

given data

kernels pop in 5 second = 12

kernels are present = 235

solution

we get here kernels are pop at rate of here

kernels are pop at rate = 12 ÷ 235

kernels are pop at rate = 0.051063

and

we get here maximum kernels are remaining that is

maximum kernels remaining = 235 - 140

maximum kernels remaining = 85

no of kernels pop in 5 second will be

no of kernels pop = 0.051063 × 85

no of kernels pop = 4.34

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3 years ago

How many different arrangements can be made with the letter of the word 'M O R O C C O'?

valentinak56 [21]

Since the order matters, it's a permutation of 7 letters, but mind you in
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⁷P₇ /(3!2!) = 7!/(3!2!) = 5040/(3!2!) = 420 arrangements

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3 years ago

What should you do first to simplify the expression ( 54 + 6) ÷ 26 + 5?

TiliK225 [7]

Do the brackets first as it says in BIDMAS

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3 years ago