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3 years ago

Claire said that 10/15 of her CDs are country music. Which statement could be true based upon this relationship?

Mathematics

2 answers:

never [62]3 years ago

7 0

Answer:

C. Claire has 10 country CDs and 5 Jazz CDs

Step-by-step explanation:

$\dfrac{10}{15}$ means that 10 out of 15. So we can assume that in total she has 15 CDs and 10 of them are Country and the other is Jazz.

This would rule out choice D.

If we reduce this fraction then we would have:

$\dfrac{10}{15} = \dfrac{2}{3}$

This means that two-thirds of her CDs are country music. So this would rule out A and B choices.

Now C is correct because 10 country plus 5 Jazz is equal to 15 CDs. So we have the correct total.

The answer is C.

LenKa [72]3 years ago

3 0

Answer: Claire has 10 country CDs and 5 jazz CDs.

Step-by-step explanation:

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7/3 IS an improper fraction 2 1/3 is a mixed number

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3 years ago

PRACTICE ANOTHER A normal distribution has a mean of 69 and a standard deviation of 15. What is the median

aliya0001 [1]

Answer:

Step-by-step explanation:

Here, we are interested in getting the median of the distribution

Mathematically, if we are talking about a moral distribution, we have equal values for median, mode and mean

Hence the median in this case will be 69

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3 years ago

Suppose the linear regression line y= 4.009x- 77.531 predicts a pizza parlor's profits based on the number of pizzas sold. If x

tamaranim1 [39]

Answer:

The estimated profit is 62.784

Step-by-step explanation:

y = 4.009x - 77.531

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5 0

3 years ago

Read 2 more answers

PLEASE HELP !! DUE AT 12!

mariarad [96]

Answer:

<em>angle KNM = 131 degree</em>

Step-by-step explanation:

angle MNJ = angle KNL ( vertically opposite angles)

angle KNM + angle KNL = 180 degree ( linear pair)

8x-5 + 4x-19 = 180 degree

8x + 4x -5 -19 = 180

12x - 24 = 180

12x = 180+24

12x= 204

x= 204/12

x= 17

angle KNM = 8x-5

= 8(17) -5

= 136 -5

= 131

Angle KNM = 131 degree

<em>Hope this helps.</em>

5 0

3 years ago

A 5% destroys solution is given intravenously. Suppose a total of 2.64 L of the solution is given over a 19-hour period. What is

kow [346]

Answer:

The flow rate is 138.95 mL per hour.

Step-by-step explanation:

We are given the following in the question:

Volume of solution = 2.64 L

1 L = 1000 mL

Volume of solution in mL =

$2.64\times 1000 = 2640\text{ ml}$

Time period = 19 hour

Unit rate of flow =

$=\dfrac{\text{Volume}}{\text{Time period}}\\\\=\dfrac{2640}{19}\\\\=138.95\text{ mL per hour}$

Thus, the flow rate is 138.95 mL per hour.

5 0

3 years ago