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notsponge [240]
3 years ago
8

Five hundred students were asked to identify their favorite electronic device. The results are shown in the circle graph. If 25,

000
students were surveyed, how many would you expect to chose a cell phone as their favorite electronic device?
Favorite Electronic Device
Other
11%
Cell
Phone
33%
Laptop
27%
Tablet
29%
8,805
8,250
16,500
10

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
4 0

Answer:

8,250

Step-by-step explanation:

step 1

we know that

For a total of 500 students, 33% chose a cell phone as their favorite electronic device

so

The number of students that chose a cell phone as their favorite electronic device is equal to

500(33/100)=165\ students

step 2

If 25,000  students were surveyed, how many would you expect to chose a cell phone as their favorite electronic device?

using proportion

\frac{500}{165}=\frac{25,000}{x}\\\\x=165(25,000)/500\\\\x= 8,250

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ElenaW [278]

A graph is a way to represent a lot of data in such a visual format that it is easy for the user to understand the complete information in one go. The correct statement is A.

<h3>What is a graph?</h3>

A graph is a way to represent a lot of data in such a visual format that it is easy for the user to understand the complete information in one go. Usually, the line of the graph is a function that follows the graph.


As per the graph of the mechanic, the statement that best describes the relationship between the labor cost and the time for a car repair is that All repairs requiring 1 hour or less have the same labor cost.

Hence, the correct statement is A.

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6 0
1 year ago
1) 448
aivan3 [116]

Answer:

What do I have to do?? I don't understand

3 0
3 years ago
Jim weighs 30 pounds less than Tom, and together they weigh 210 pounds. Let n = Tom's weight in pounds.
zlopas [31]

The equation that represents the given problem is (n-30) + n = 210. The correct option is the first option (n-30) + n = 210

<h3>Linear equation</h3>

From the question, we are to write an equation for the given problem

From the given information,

n = Tom's weight in pounds

If Jim weighs 30 pounds less than Tom

Then,

Jim weighs (n - 30)

Thus,

The sum of their weight is

(n-30) + n

∴ (n-30) + n = 210

Hence, the equation that represents the given problem is (n-30) + n = 210. The correct option is the first option (n-30) + n = 210

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3 0
2 years ago
ABCD is rectangle on a coordinate grid with side AB parallel to side CD. Side BC is perpendicular to AB. The slip of AB is 3/4.
dybincka [34]

The slope of BC is \frac{-4}{3}

Step-by-step explanation:

Let us revise some notes about slopes of lines

  • If two lines are parallel, then their slopes are equal
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∵ ABCD is a rectangle

∵ AB // CD

∴ The slope of AB = the slope of CD

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∴ The slope of BC × the slope of AB = -1

∵ The slope of AB = \frac{3}{4}

- To find the slope of BC reciprocal the slope of AB and reverse its sign

∴ The slope of BC = \frac{-4}{3}

The slope of BC is \frac{-4}{3}

Learn more:

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6 0
3 years ago
255,250,245,... Find the 40th term.
Brut [27]
An=-5n+260
A40=60
So the Awnser is 60


(Hope this helped!!)
5 0
1 year ago
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