What two numbers have a sum of 9 and a product of -10

Answers

Answer 1

Answer:

Answer:

-2

Step-by-step explanation:

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Newton's second law says force (f) is equal to mass (m) times acceration (a). A scientist wants to calculate the force of an object where the acceleration of gravity (g) is 9.8 m/s2. Use the function to calculate the force for an object with a mass (m) of 0.29 kilograms.

A ladder is 95 inches tall. How tall is it in feet and inches

Answers

The answer is 7.91667 in feet but it is ninety five in inches.

The ladder is about 7' 9''

The correlation coefficient for poor health and not exercising in a group of people is 0.67. Analyze the following statement: Poor health is caused by not exercising. Is this a reasonable conclusion?

Answers

Options:

Yes; everyone who doesn't exercise is by definition unhealthy.
Yes; the correlation coefficient is above 0.5, so that implies causation.
No; the data doesn't suggest a causation, and many people are healthy who don't exercise.
No; poor health and not exercising are completely unrelated.

The answer is the third option "No; the data doesn't suggest a causation, and many people are healthy who don't exercise." Correlation is two data set that are linked or connected together so in this case it would be a correlation because all of the data is close and connected to each other.

Hope this helps!

Answer:

No; the data doesn't suggest a causation, and many people are healthy who don't exercise

Step-by-step explanation:

I took the quiz and this was the answer.

Carmen is using the quadratic equation (x + 15)(x) = 100 where x represents the width of a picture frame. Which statement about the solutions x = 5 and x = –20 is true?

Answers

The correct solution should be x = 5 for the reason that we are calculating for the width which is always a positive value.

Mathematically, -20 is also correct for this satisfies the quadratic equation but here the most logical answer is 5.

No statements have been posted here actually that is why I have given an interpretation of your answers.

The probability that Shelly will go to a movie (event A) on Friday is 0.78, and the probability that Danielle will go to a movie (event B) the same day is 0.63. The probability that Shelly will go to a movie, given that Danielle goes to a movie, is 0.87. Which statement is true?
a. Events A and B are independent because P(A|B) ≠ P(A).
b. Events A and B are independent because P(A|B) = P(B).
c. Events A and B are dependent because P(A|B) = P(A) x P(B).
d. Events A and B are dependent because P(A|B) ≠ P(A).
e. Events A and B are dependent because P(A|B) = P(A).

Answers

The right answer for the question that is being asked and shown above is that: "c. Events A and B are dependent because P(A|B) = P(A) x P(B)."The probability that Shelly will go to a movie, given that Danielle goes to a movie, is 0.87.

Answer:

Events A and B are independent because P(A and B) = P(A) × P(B).

Step-by-step explanation:

plato/edmentum

casey ran a 75 meter race in 10 seconds her distances at certain times during the race are shown in the table . what is the domain for the graph of the function that would model her race[ time in seconds 0 1 2 3 4 5 6 7 8 9 10 : distance in meters 0.0 5.5 12.0 20.0 28.5 36.0 44.0 56.5 64.0 75.0

Answers

The domain of the graph is everything x is allowed to equal. Parentheses are used to show that x can be everything up to, but not including that number. Brackets are used to show x can be anything up to, and including, that number. The comma between the two numbers indicates that x can be anything between those two numbers.

Here, the time goes on the x axis and the distance will go on the y axis.
Time: 0 1 2 3 4 5 6 7 8 9 10
Distance: 0.0 5.5 12.0 20.0 28.5 36.0 44.0 56.5 64.0 75.0

Since we are dealing with the domain, we really only need to focus on the time.
Time: 0 1 2 3 4 5 6 7 8 9 10

From this, we see that the values go from 0 to 10. This means that x can be anything from 0 to 10. Because there are y values that correlate with the numbers 0 and 10, we know that the domain will include 0 and 10. This indicates we must use brackets.

Knowing all of this information, we can now write our domain as:
[0, 10]

Some equations have the form y=kx, where k is a number. Which equation CANNOT be written in the form y=kx?

Answers

Hello from MrBillDoesMath!

Answer:

y = x - 7

Discussion:

Let's step through the answers one-by-one:

y/6 = x => multiply both sides by 6

y = 6x

y = kx where k = 6

y/x = 1/2 => multiply both sides by x

y = (1/2) x

y = kx where k = 1/2

y = -0.5x

y = kx where k = -0.5

BUT y = x -7 cannot be written simply as y = kx because of the -7 term.

Thank you,

MrB

Answer:

C. y = x - 7

Step-by-step explanation:

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