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madam [21]
2 years ago
10

6 erasers cost $6.60. Which equation would help determine the cost of 3 erasers

Mathematics
2 answers:
rewona [7]2 years ago
5 0

I think its just 6.60 divided by six, thats how many each one costs, then multiply it by 3

Hope this helps :)

IrinaVladis [17]2 years ago
3 0

Answer:

3.3

Step-by-step explanation:

because you can divide 6.60 by 6 which is 1.1 then multiply it by 3

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Mice21 [21]
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6 0
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. Find the range of the data.<br><br> 7,4, 12, 1, 8, 8, 4, 14, 13, 9, 11, 10, 2,7,5, 3, 1, 8,5,3
Burka [1]

Answer:

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Step-by-step explanation:

Population size:20

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<em><u>Hope this helps.</u></em>

5 0
3 years ago
Determine if 2x = 14 + y and 4x + 2y = 10 are parallel, perpendicular, or neither.
kozerog [31]

Answer:

Neither

Step-by-step explanation:

To tell if lines are perpendicular or parallel just from the equations, you need to look at the slopes. So get the equations into slop-intercept form

(y = slope * x + y-intercept)

2x = 14 + y

-14          -14

2x - 14 = y    OR     y = 2x - 14

*So the slope of the first equation is 2*

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2y = -4x + 10

/2          /2

y = -4/2 + 10

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For the lines to be parallel, the slopes have to be the same. For them to be perpendicular, the slopes have to be opposite (negative is the opposite of positive and vice versa) and reciprocal (A flipped fraction, so the reciprocal of 2 would be 1/2)

6 0
3 years ago
What is the value of x, if the area of ΔABC is 12√3 square cm.
lana [24]

Answer:

What is the value of x, if the area of ΔABC is 12√3 square cm ...

Step-by-step explanation:

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6 0
3 years ago
A camera has a listed price $627.98 before tax. If the sales tax rate is 7.25%, find the total cost of the camera and it's sales
Sedbober [7]
$627.98 + 7.25% = $637.50
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