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Lera25 [3.4K]
3 years ago
6

This question is based on the following circle graph. The graph represents the results of a survey in which 400 people were aske

d
to identify the TV channel on which they preferred to watch the evening news.
WKOD
13%
WCLM
24%
WWCN
41%
WANR
22%
10. Write a ratio to express the number of people who preferred WANR to those who preferred WCLM.
A. 23:100
B. 3:50
C. 11:12
D. 46:100
Mathematics
1 answer:
shtirl [24]3 years ago
3 0

Answer:

C) 11:12

Step-by-step explanation:

22:24 which reduced to 11:12

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Which relation represents a function?
trasher [3.6K]

Answer:

(-2, 2), (0, 2), (7, 2), (11, 2)

Step-by-step explanation:

A relation must have no repeating x-values for it to be a function.

Set C does not have any repeating x-values, so it is a function.

Sets A, B, and D have repeating x-values, so they are not functions.

A: (0, 0), (2, 3), (2, 5), (6, 6)

B: (3, 5), (8, 4), (10, 11), (10, 6)

D: (13, 2), (13, 3), (13, 4), (13, 5)

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3 years ago
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A student says that a coordinate grid under a dilation with the center at the origin and scale factor 2 does not change the grid
Kisachek [45]

Answer:

Dilation changes (x,y) values not the grid or coordinate plane. Basically, dilating a graph or a coordinate grid means the original coordinates you may have had will be changed with the dilation.  For example, a triangle plotted had its original area of 26 dilated to an area of 58.

8 0
3 years ago
I need to know how to write this as a decimal with all the steps and everything plzz
Crank
You divide the denominator into the numerator and that will get your answer which is 7.
4 0
3 years ago
PLEASE HELP! 100 POINTS
larisa [96]

Answer:

(-2, 4.111)

(-1, 4.333...)

(0,5)

(1, 7)

Step-by-step explanation:

So for this, you just substitute x with a cero to obtain the x-axis.

So, (0,5)

Then, you do the same with other numbers (replace x) and get the points to later graph it.

Also, you can use desmos, it really helps

5 0
3 years ago
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NEED HELP!!! WILL MARK BRAINLIEST!!!
Tanzania [10]

Answer:

RTA= (x-2)·(x-11/2)/(x-2)(x-4)= (you can simplify again if you want by eliminating both (x-2)

(x-11/2)/(x-4)

Step-by-step explanation:

Ok we need to simplify the expression so:

x^2+3x-10= Bhaskara formula=

-3(±√9-4·1·(-10))/2·1=

X1=(-3+7/2)--> X1=2(R)---> (X-R)--->X-2

X2=(-3-7)/2 --> X2=11/2(R)---> (X-R)--->X-11/2

x^2-6x+8= Bhaskara formula=

6(±√36-4·1·8)/2·1=

X1=(6-2)/2=2--> X1=2(R)---> (X-R)--->X-2

X2=(6+2)/2=2--> X2=4(R)---> (X-R)--->X-4

so, The simplify expression is

(x-2)·(x-11/2)/(x-2)(x-4)=

8 0
3 years ago
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