2 years ago

Identify the question that is NOT statistical.

Mathematics

1 answer:

avanturin [10]2 years ago

6 0

A)What is the maximum number of swimmers allowed on a swim team?

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. Of the 200 students surveyed in 5th grade, 120 prefer bananas and 80 prefer apples. what is the part to whole ratio?

kaheart [24]

120:200 prefer bananas, 80:200 prefer apples

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2 years ago

Find the value of a and of b for which (a) the solution of x2 + ax -2<x < 4

KengaRu [80]

Answer: $a = -2$

$b = 8$

Step-by-step explanation:

Given :

$x^{2} +ax$

re - writing the equation , we have

$x^{2} +ax-b$

we need to find the value of a and b for which -2<x < 4 , this means that the roots of the quadratic equation are -2<x < 4.

The formula for finding the quadratic equation when the roots are known is :

$x^{2}$ - sum of roots(x) + product of root = 0

sum of roots = -2 + 4 = 2

product of roots = -2 x 4 = -8

substituting into the formula , we have:

$x^{2} -2x-8=0$ , which could be written in inequality form as

$x^{2} -2x-8$

comparing with $x^{2} +ax-b$ , it means that :

$a = -2$

$b = 8$

3 0

2 years ago

How do I find the vertex?

pav-90 [236]

Answer:

2. (5, -5)

3. (-3, 2)

4. (2, 4)

Step-by-step explanation:

Each vertex can be found using two simple steps.

1) The number being added or subtracted from x.

-The x coordinate of your vertex is the opposite of that number.

2) The number after the absolute value symbol.

-The y coordinate is that value.

3 0

2 years ago

Graph f(x) = -x + 6. Click on the graph until the graph of f(x) = -x + 6 appears. YA r

a_sh-v [17]

Answer:

The one that is 0,-3 and 3,0

Step-by-step explanation:

6 0

1 year ago

Pls help me on this........

Shalnov [3]

The first one is the answer to the question

6 0

2 years ago

Read 2 more answers