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serious [3.7K]
2 years ago
5

Find the Interquartile Range (IQR) of the data set. 5, 2, 3, 4, 7, 9, 8, 10, 12, 8, 7

Mathematics
1 answer:
expeople1 [14]2 years ago
6 0

Answer:

5

Step-by-step explanation:

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The function f ( x ) = x ^3 + 2x^2− 5 x − 6 has a root at 2. Name all roots of this function.
Tomtit [17]

sub x=1 into f(x),

remainder= 1^3+2(1)^2-5(1)-6= -8

since remainder≠0, x=1 is not a root of the function

sub x=-1,

remainder = (-1)^3+2(-1)^2-5(-1)-6= 0

by remainder theorem,

x=-1 is a root of f(x)

hence, the correct ans is c

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2 years ago
The graph of f(x)=x^2 is sketched in red and the graph of g(x) is sketched in blue. Use the translation rule and f(x)=x^2 to ide
Yuki888 [10]
We can use the vertex form of a quadratic, y = a(x-h)^{2} + k, to find that g(x) = a x^{2} - 7. Plugging (x,y) ordered pairs into g(x), we see that a = 1. For example, for (3, 2), 2 =  a * 3^{2} - 7. Solving for a gives 1.
3 0
2 years ago
Which is a y-intercept of the graphed function?<br><br> (–9, 0)<br> (–3, 0)<br> (0, –9)<br> (0, –3)
Inessa05 [86]

Answer:

The y-intercept of the graphed function is (0,-9)

Step-by-step explanation:

The y-intercept of the graphed function is (0,-9) because the y-intercept is where the point where the line meets with the y-axis, and the point where the line meets with the y axis is (0,-9)

Therefore the answer is

(0,-9)

I hope this helped you.

4 0
2 years ago
Read 2 more answers
. Ralph’s Fill Dirt and Croissant Shop in Spencer makes both grand and petit croissants. Each grand requires 1 ounce of flour an
Gwar [14]

Answer:

1

Step-by-step explanation:

let G be the number of grand croisssants, and P the number of petit croissants :

we have that 1 ounce of flour and 2 ounces of butter result in one G.

additionally, we have that 1/4 ounce of flour and 1/3 ounce of butter result in one P.

Ralph has 4 ounces of flour and 6 ounces of butter, If he bakes more than 1 G then he will never use all of his ingredients!, let's see:

1 G:

he now has 3 ounces of flour, and 4 ounces of butter,

now we need to figure out how many P's we would obtain with such amounts:

let x be the number of P's

1/4*x = 3=>x=12\\ 1/3*x=4=>x=12

which is reasonable, Ralph can bake 12 P's,

now with more than 1 G:

2G:

Ralph has now 2 ounces of flour and 2 ounces of butter, now we have to figure out that x is the same using the remaining ingredients

1/4*x = 2=>x=8\\ 1/3*x=2=>x=6

This is impossible.

3G:

he runs out of butter.

There is the answer, he is able to bake 1 grand croissant and 12 petit croissants

7 0
3 years ago
HELP ASAP 100point's ILL GIVE YOU BRAINLIEST!!!!! 1. Which of the following questions can be used to collect statistical informa
Nuetrik [128]

A) not statistical because there is one correct response, the presidents name.

B) not statistical , because it is a single person answering.

C) Statistical because the number can be change and be used to determine what percent of the population has brown eyes.

8 0
3 years ago
Read 2 more answers
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