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3 years ago

7

two friends bought a $14 pizza. Each person bought their own drink. The total cost of the food can be represented by the express

ion $2x + $14. What expression represents the cost of food for one person

1 answer:

yanalaym [24]3 years ago

4 0

The expression might be x=7

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Number 13 least to greatest please put an order

IgorLugansk [536]

5.67, 5.68, 5.87, 6.57

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3 years ago

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PLEASE HELP WILL GIVE BRAINLIEST. IM AN EXPERT AND THSI IS STILL HARD. 18+20.

fenix001 [56]

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Step-by-step explanation:

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3 years ago

Rasputen and his three buddies are splitting a giant 18 inch cookie. But notice 1/4 of it is missing. If each person gets the sa

frozen [14]

Answer:

Each of them will get 3.375 inches of cookie.

Step-by-step explanation:

Rasputen and his three buddies are splitting a giant 18 inches cookie.

But they notice that $\frac{1}{4}$ th of it is missing.

So, the actual length of the cookie is $18[1-\frac{1}{4} ]=18 \times \frac{3}{4}=13.5$ inches.

If all the four of them get the same amount of the giant cookie then each of them will get $\frac{13.5}{4} = 3.375$ inches of cookie. (Answer)

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3 years ago

17. When a single set of values is randomly divided into two equal groups, explain how the means of these two groups may be very

joja [24]

If you take 2 groups of equal cardinality, it could happen that, for example, many of the higher values go to the first group and therefore, many of the low values go to the second group, making their respective means quite different and different from the original sample mean. This could even go worse due to the possible existence of outliers, that is, values that are far different than the sample mean. An outlier tend to disrup the mean of a sample, but for smaller samples the result is much dramatic.

For example, let X be {1,2,3,4,5,6,7,8,9,100}

The elements of X sum 145, hence the mean of X is 14,5. Let divide X in two groups

Y = {1,2,3,5,9}

Z = {4,6,7,8,100}

The elements of Y sum 20, so its mean is 4

The elements of Z sum 125, so its mean is 25

Both means are quite different from each other and quite different from the mean of X. Note that if we take the mean of the means the result is 4+25/2 = 14,5 which is equal to the mean of X.

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3 years ago

3/5 +9/10= Please answer<br>

Art [367]

Answer:

3/2 or 1.5

Step-by-step explanation:

Multiply 3/5 by 2 to make the denominator of both fractions equal.

2 x 3/5 = 6/10

Now that the denominators are equal, add the two fractions together

6/10 + 9/10 = 15/10 = 3/2 or 1.5

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3 years ago

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