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schepotkina [342]
3 years ago
8

Write a survey question

Mathematics
1 answer:
m_a_m_a [10]3 years ago
4 0
I asked 12 people what there favorite sport is. 5 people said football and 7 said basketball. Following the rule how many would like football if I asked 24 people?
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What is the slope of the line?
Anvisha [2.4K]
Zero depending on what axis it’s on
5 0
3 years ago
Read 2 more answers
The function f(x) = –x2 − 2x + 15 is shown on the graph. What are the domain and range of the function? The domain is all real n
dedylja [7]

Answer:

The domain is all real numbers. The range is {y|y ≤ 16}

Step-by-step explanation:

we have

f(x)=-x^{2}-2x+15

This is a the equation of a vertical parabola open downward

The vertex is a maximum

The vertex is the point (-1,16)

see the attached figure

therefore

The domain of the function is all real numbers ----> interval (-∞,∞)

Te range of the function is

y\leq 16

All real numbers less than or equal to 16 ----> interval  (-∞,16]

8 0
3 years ago
Read 2 more answers
Jackson is playing a game of chance where he must randomly draw a marble out of a jar. He calculates the probability of drawing
madam [21]

Answer:

12/15

Step-by-step explanation:

If the probability of drawing a read marble is 3/15

Then that would just make the probability of NOT drawing a red marble 12/5

5 0
2 years ago
Factor the expression. <br><br> 9x^2 + 48x + 64
Savatey [412]
(3x+8)(3x+8) is the answer :))
4 0
3 years ago
Which set of equations would have infinitely many solutions? JUSTIFY your answer in #4.
Ierofanga [76]

Answer:

2nd option: 2y=6x+8 and y=3x+4

Step-by-step explanation:

If you divide the first by 2, you get the second equation.

This means that both equations plot an identical line (they lie on top of each other /also known as "coincide"). This means, that there are infinitely many solutions.

In 2D (x-y plane for example), straight lines can have no solutions if they have the same gradient/slope/ they are parallel and different y-intercepts, because they will never cross.

Here, they have same gradient and y-intercept so all points on the line are valid solutions to the equation

7 0
2 years ago
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