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Y_Kistochka [10]
3 years ago
11

Multiply. (8x+3)(-3x - 5) Simplify your answer.

Mathematics
1 answer:
mart [117]3 years ago
6 0
Hopefully this will help!

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30 points! <br> Since there are a few questions please help.
boyakko [2]

Answer:

black socks = 36

total socks 48

apple's = 6

strawberry sweets = 72

2nd class = 24

total stamps = 42

Dylan = 75

total student 1900

8 0
3 years ago
80 dollars for 16 tickets written as a unit rate, what is it?
shepuryov [24]

Answer:

5 dollars a ticket. Divide 80/16 to get tour answer.

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
The ratio of two numbers is 6 : 8. The sum of the numbers is 28. What are the two numbers?
Otrada [13]

Answer:

12 and 16 or 12:16

6 x 2 = 12

8 x 2 =16

12 + 16 = 28

Step-by-step explanation:

5 0
2 years ago
If the coefficient of determination is 0.9, the percentage of variation in the dependent variable explained by the variation in
vagabundo [1.1K]

Answer:

90% of the variation in the dependent variable is explained by the independent variable.

Step-by-step explanation:

We are given the following in  the question:

coefficient of determination = 0.9

We have to find the percentage of variation in the dependent variable explained by the variation in the independent variable.

Coefficient of Determination:

  • The coefficient of determination is a measure that explains and predicts the dependent variable.
  • It explains the variation in the dependent variable caused by the independent variable.
  • The coefficient of determination, also known as the R squared value and is obtained by squaring the coefficient of correlation.

\text{Coefficient of Determination} = R^2 = 0.9 = 0.9\times 100\% = 90\%

Thus, 90% of the variation in the dependent variable is explained by the independent variable.

8 0
3 years ago
Two lines are perpendicular, and neither line is horizontal. Which of the following is not necessarily true of the lines?
musickatia [10]
I think the correct answer from the choices listed above is option C. <span>Two lines are perpendicular, and neither line is horizontal so it must be that the slopes of the lines are opposite reciprocals, one slope is positive and the other has a negative slope. Having different slopes so they should intersect the y-axis at different values.</span>
7 0
3 years ago
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