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Afina-wow [57]
3 years ago
14

A popular board game manufacturer was interested in the relationship between the amount of time it takes to play a game and how

well that game is rated among board game players. Information was collected on several board games, and was used to obtain the regression equation y = 27.273x + 18.182, where x represents time it takes to play (in hours) and y is the predicted rating of that game (in points). What is the predicted rating of a game that takes 90 minutes to play?
18.182 points
59.0915 points
90 points
2,472.752 points
Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0

Answer:

B- 59.015

Step-by-step explanation:

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It took Ivan 7.5 hours to drive 412.5 miles. How fast was he driving?
Tju [1.3M]
Since the question is asking how fast he is driving, we need to find his speed in miles per hour. To do this, you need to divide the amount of miles he drove by the amount of hours it took. When you do 412.5/7.5, you get the answer of 55 miles per hour. 
6 0
3 years ago
Samantha works at a bakery. The function f(x) = 3x2 − 5 represents the amount of money Samantha earns per cookie, where x is the
vfiekz [6]

Answer:

f(g(x)) = 15x³ - 5

Step-by-step explanation:

how confusingly described.

let me try and summarize what I understood :

f(x) = 3x² - 5

money earned when baking x cookies.

g(x) = sqrt(5x³)

the amount of cookies baked in x hours.

f(g(x)) now calculates how much money she earns when baking for x hours.

it is basically very simple : instead of f(x) we have f(g(x)), so g(x) is used as argument/variable in f instead of just plain x.

therefore,

f(g(x)) = 3×(sqrt(5x³))² - 5

with x now representing the baking hours, but f(...) calculating the overall money earned, by implicitly (!) calculating the amount of cookies baked in that time and taking that result automatically to calculate the earned money.

let's simplify this a little bit more.

f(g(x)) = 3×(sqrt(5x³))² - 5 = 3×(5x³) - 5 = 15x³ - 5

3 0
2 years ago
?Which expression is equivalent to p + 15?
sergejj [24]

Answer: 1/3 (p+45)

Step-by-step explanation:

when you multiply p by 1/3, a fraction, it kinda divides. the parentheses come first so that’s p+45=45p. 45px1/3 (or divided by three), is 15p

7 0
3 years ago
What is the common ratio between successive terms in the sequence? 2, –4, 8, –16, 32, –64, ... –2 –6 6 2
Nataly_w [17]

Answer:

-2

Step-by-step explanation:

You multiply each term by -2 to get the next term.

To find this for this sequence, divide the term on the right by the term on the left.

8 / -4 = -2              or          -4 * -2 = 8

-16 / 8 = -2             or         8 * -2 = -16

32 / -16 = -2           or         -16 * -2 = 32

-64 / 32 = -2           or         32 * -2 = -64

4 0
3 years ago
Read 2 more answers
What percent of 55 is 34
mihalych1998 [28]
So,

To what percent 34 is of 55, we first need to find the fraction equivalent.

34 out of 55 parts or 34/55

Divide 34 by 55.

34/55 = 0.61818...

Now, we move the decimal point 2 places to the right in order to convert it to a percent.

6.1818...
61.81818...

Rounded to the nearest hundredth: 61.82%
Rounded to the nearest tenth: 61.8%
Rounded to the nearest percent: 62%
4 0
3 years ago
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