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bonufazy [111]
3 years ago
12

The scatter plot shows the number on minutes spent reading (x) and the number of pages read (y) by each Seven student last night

. Use the labeled points to create a linear model that predicts the number of pages that a typical student reads in x minutes. Which equation represents this linear model?

Mathematics
1 answer:
Illusion [34]3 years ago
3 0

Answer:

a

Step-by-step explanation:

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I will give thanks and five stars to the person that helps me.
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Answer:

Third option is correct!

Step-by-step explanation:

x+19<28

or, x<9

so

x = {3,4,5,6}

8 0
2 years ago
Solve the equation x/4 - 7 = y for x
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Answer:

x = 4y + 28

Step-by-step explanation:

x/4 - 7 = y

+7              +7

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7 0
3 years ago
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I have $25 all in nickels and dimes. There are twice as many Nickles as dimes. How many of each are there?
Mama L [17]

Answer:

N=250

Step-by-step explanation:

 "twice as many nickels as dimes"     means    N =2D     [eq1]

 "collection of nickels and dimes is worth $25"    means

        5N + 10D = 2500      [eq2]

   (To avoid using decimal points, PLZ express everything in cents.)

Substitution   (substitute N from eq1 into eq2]:

     5(2D) + 10D = 2500

      10D + 10D = 2500

          20D = 2500

            D = 125

      N=2D         [eq1 again]

      N=2(125)

      N=250

Check:

  Is   5(250) + 10(125) = 2500   ?

        1250 +  1250 = 2500   ?

          2500 = 2500   ?yes

7 0
2 years ago
Divide 500 in a ratio of 3:7
stealth61 [152]
3:7\to3+7=10\\\\500:10=50\\\\therefore:\\3\cdot50=150\\7\cdot50=350\\\\Answer:\boxed{150:350}
5 0
3 years ago
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True!

all parabolas with vertical directrix DO open to the left/right.
8 0
3 years ago
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