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Gnom [1K]
2 years ago
10

Twenty-eight students reported how many email accounts they have. The dot plot below shows the data collected: A dot plot is sho

wn with the title Email Accounts of Students. The values on the horizontal line are 1, 2, 3, 4, 5, and 6. The label along horizontal line is Number of Email Accounts. Put 7 dots vertically along the value 1, 6 dots vertically along the value 2, 4 dots vertically along the value 3, 6 dots vertically along the value 4, 3 dots vertically along the value 5, and 2 dots vertically along the value 6. What do the dots above the number 4 represent? There are exactly 6 students with 4 email accounts. There are exactly 4 students with 6 email accounts. There are exactly 6 students with less than 4 email accounts. There are exactly 4 students with less than 6 email accounts.

Mathematics
1 answer:
lisov135 [29]2 years ago
6 0
I have attached a picture of the dot plot that you described.  Each dot on the number line represents one answer.  So, the number of dots above the number 4 tells us that there were 6 students who have 4 email accounts.

The answer is that <span>There are exactly 6 students with 4 email accounts.</span>

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3 years ago
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Alexis, Becca, and Cindy do volunteer work at Adopt-a-Pet Animal Shelter. They worked a total of 285 hours at the shelter last s
swat32

Alexis worked for 59 hours, Becca worked for 74 hours and Cindy worked for 152 hours.

Step-by-step explanation:

Given,

Total hours worked by three of them = 285 hours

Let,

x represent the hours of Alexis.

y represent the hours of Becca.

z represent the hours of Cindy.

According to given statement;

x+y+z=285    Eqn 1

Alexis worked 15 hours less than Becca.

x = y-15         Eqn 2

z = 2y+4        Eqn 3

Putting value of x and z from Eqn 2 and 3 in Eqn 1

(y-15)+y+(2y+4)=285\\y-15+y+2y+4=285\\4y-11=285\\4y=285+11\\4y=296

Dividing both sides by 4

\frac{4y}{4}=\frac{296}{4}\\y=74

Putting y=74 in Eqn 2

x=74-15\\x=59

Putting y=74 in Eqn 3

z=2(74)+4\\z=148+4\\z=152

Alexis worked for 59 hours, Becca worked for 74 hours and Cindy worked for 152 hours.

Keywords: linear equation, division

Learn more about division at:

  • brainly.com/question/9510228
  • brainly.com/question/9443926

#LearnwithBrainly

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3 years ago
WILL MEDAL help me if please
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2. When you add or subtract polynomials you add or subtract the like terms and then put them in order from largest to smallest exponents.

3. -5x(5 x^{3} +10 x^{2} -6x+3)

4. Since it is the perimeter, we add the 3 together.
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Add the like terms together:
2 x^{2} +(-3 x^{2} )=- x^{2}  \\ 4x+5x=9x \\ -8+(-3)+19=8
Put them in order of exponents
- x^{2} +9x+8

Hope this helps
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Introduction to addition or subraction of fractions with different denominator 2/3+1/4
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