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Mariana [72]
2 years ago
15

Pls help asap $$$$$$$$$$$$$

Mathematics
1 answer:
Bond [772]2 years ago
8 0

Answer:

84 couples

Step-by-step explanation:

First add the number of couples that have only one spouse that prefers dramas.

23+39+37+27=126

126 couples out of 250 prefer dramas.

126/250=.56 or 56 percent

To find the answer by making a prediction based on this data, you would find 56% of 150.

150x.56=84 out of the additional 150 surveyed couples will have one spouse that prefers a drama.

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To which interval would we restrict f(x) = cos (x-π/4) so that f(x) is invertible?
nadezda [96]

Answer:

The range of x values for which y is unique is 2·π

Step-by-step explanation:

For a function j: X → Y to be invertible, we have that for every y in Y, there is associated only one x which is an element of x

Hence, f(x) = cos(x - π/4) gives

the x intercept at two penultimate points of the graph of cos(x - π/4) are;

x = 2.36, and x = 8.64

x = 3/4·π, and x = 2.75·π = 2\tfrac{3}{4}\cdot \pi

Hence the range of x values for which y is unique is presented as follows

2\tfrac{3}{4}\cdot \pi - \frac{3}{4}\cdot \pi = 2}\cdot \pi

The range of x values for which y is unique = 2·π.

4 0
3 years ago
Maureen bought cupcakes for her sister's birthday party. 40% of the 95 cupcakes had
Tanzania [10]

Answer:

  • 34 cupcakes

Step-by-step explanation:

<u>We know that:</u>

  • 40/100 x 95

<u>Work:</u>

  • 40/100 x 95
  • => 2/5 x 95
  • => 2 x 17
  • => 34 cupcakes

Hence, 34 cupcakes had sprinkles.

8 0
2 years ago
A rectangle an area of 52 square feet .the length is 9 feet longer than the width. What equation could use to represent this ?
TEA [102]

Answer:

idk

Step-by-step explanation:

5 0
3 years ago
NEED HELP IMMEDIATELY. 50 POINTS TO THE BEST ANSWER.
Reil [10]

Answer:

See below

Step-by-step explanation:

r=0 means there is zero correlation between the independent and dependent variables. Most likely, some other regression model will help to bring the value of r closer to -1 or 1 to show a strong correlation.

8 0
2 years ago
Read 2 more answers
Please solve this sum asap
Oxana [17]
See attached photo for answers. let me know if you are doing rounding to a specific decimal.

3 0
3 years ago
Read 2 more answers
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