I really need help!! this is for the end of year assessment and i have to get this last one right so i don't have an F in math.Sierra and Alek each have five cousins. Their ages are listed below.

Sierra’s cousins: 2, 11, 12, 13, 15
Alek’s cousins: 9, 11, 11, 12, 13

Which of the following statements is true?
A.For both sets of data, the median is equal to the mean.
B.The ages of Sierra's cousins are more spread out than those of Alek's cousins.
C.The mean age of Sierra's cousins is greater than that of Alek's cousins.
D.There are no outliers.

Answers

Answer 1

Answer:

Answer: B: The ages of Sierra's cousins are more spread out than those of Alek's cousin.

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The length of a rectangle is the width minus 8 units. The area of the rectangle is 9 units. What is the length, in units, of the rectangle?

Answers

Final answer:

The length of the rectangle is 1 unit.

Explanation:

To find the length of the rectangle, we need to solve for the width first. We are given that the length of the rectangle is the width minus 8 units. Let's assume the width is 'w'. So the length would be 'w-8'. The area of the rectangle is given as 9 units. We can write the equation: (w-8) * w = 9. Solving this equation, we get w^2 - 8w - 9 = 0. Factoring or using the quadratic formula, we find that the width is approximately -1 or 9. Since the width cannot be negative, we discard -1 and conclude that the width is 9 units. Now, we can substitute this value back into the length equation to find the length: length = width - 8 = 9 - 8 = 1 unit.

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77,098 rounded to the nearest thousand

Answers

The number 77,098 rounded to the nearest thousand is 77,000.

The given number is 77,098.

We need to round the given number to the nearest thousand.

How do round the number to the nearest thousand?

There are some basic rules and steps that need to be followed for rounding numbers to the nearest thousand.

Mark the number that we need to round. In this case, we will mark the digit in the thousands place. This rounding digit will be the one that will eventually be affected.

Since we are rounding to the nearest thousand, we need to check the digit to the immediate right of the thousands place, that is the hundreds place.
If the digit in the hundreds place is less than 5, we do not change the digit in the thousands place. However, all the digits to the right of the thousands place are changed to 0.
If the digit in the hundreds place is 5 or more than 5, we increase the thousands place by 1, and all the digits to the right of the thousands place are changed to 0.

Now, in 77,098 the digit in the hundreds place is 0 which is less than 5, so the number is rounded down, is 77,000.

Therefore, the number 77,098 rounded to the nearest thousand is 77,000.

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77,098 is closer to 77,000 than it is to 78,000, so rounded to the nearest thousand it would be 77,000.

The length of a rectangle is 4 units shorter than one-fourth of the width, x. Write an expression that represents the perimeter of the rectangle (use one variable and a fraction)

Answers

Perimeter is the sum all lengths of a shape. For a rectangle, the perimeter is calculated by adding the 2 lengths and 2 widths. It is expressed as:

P = 2l + 2w

From the data of the length and width above, we form an expression:

P = 2l + 2w
P = 2(w/4 - 4) + 2w
P = 2w/4 - 8 + 2w
P = 5w/2 - 8

47 times 0.76 =equals what

Answers

47 times .76 is equal to 35.72. Hope this helps :).

47 * .76
4
47
.76
282
329
3572
bring down the decimal point

35.72

What is the net mass of sugar if the gross mass is 12.5kg and the empty container is 400g

Answers

12.5 - 0.4 = 12.1 ^_^

Karen makes $5 per hour babysitting and $12 per hour giving music lessons. One weekend, she worked a total of 18 hours and mad $139. How many hours did she spend babysitting?

Answers

139=5b+12m

hope it helped youu!!

she spent 11 hours babysitting and 7 hours giving music lessons. 5 × 11 + 12 × 7 = 139

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