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Kaylis [27]
2 years ago
9

9(9x+2y-6) Please help

Mathematics
1 answer:
leva [86]2 years ago
4 0
  1. Use distributive property. Multiply 9 by 9x first to get 81x.
  2. Next, multiply 9 by 2y to get 18y.
  3. Now you have 81x + 18y - 6.
  4. Since the problem says to write an equivalent expression, that is your answer.

<h2>81x + 18y - 6</h2>
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A circle has a diameter of 16 inches. What is the circumference of the circle using function on the calculator?
Kobotan [32]

Answer: 50.26548 (50.27)

Step-by-step explanation:

Circumference = 2 x π x r(radius)

Diameter = 2 x r(radius)

C = π x 16 = 50.26548

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1. A trebuchet is a large spring loaded catapult. The spring is attached 23cm on
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Step-by-step explanation:

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3 years ago
A rack of 15 billiard balls is shown. If one ball is selected at​ random, determine the odds against it containing a number grea
andre [41]

Using the probability and odds concepts, it is found that the odds against it containing a number greater than or equal to 7 is \frac{2}{3}.

  • A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.
  • An odd is the <u>number of desired outcomes divided by the number of non-desired outcomes</u>.

In the rack, there are 15 balls, numbered from 1 to 15. Of those, <u>6 are less than 7</u>(against it containing a number greater than or equal to 7 is equivalent to it containing a number less than 7), thus:

  • There are 6 desired outcomes.
  • There are 9 non-desired outcomes.

The odd is:

\frac{6}{9} = \frac{2}{3}

The odds against it containing a number greater than or equal to 7 is \frac{2}{3}.

A similar problem is given at brainly.com/question/21094006

7 0
3 years ago
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Alexandra [31]

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That looks hard

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If the coefficient of determination for a data set containing 24 points is 0.5,
aleksandrvk [35]

Answer:

False

Step-by-step explanation:

False - one has nothing to do with the other. None of the data points can lie on the regression line,

and you can have the coeff. of determination be 0.5.

7 0
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