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shutvik [7]
3 years ago
9

Logan has a change jar that contains only pennies and nickels. he has 64 coins which add up to a total of $1.52. how many of eac

h type of coin does he have?
Mathematics
2 answers:
Svetach [21]3 years ago
7 0
42 pennies 22 nickels 22x.05=1.10 1.10+.42=1.52
jekas [21]3 years ago
4 0
12 nickels and 4 pennys
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The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15
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68% fall within +/- 1 SD, so men above that 1 SD (165) are: (100-68)/2
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The line contains the point (-4,-4) and is perpendicular to a line with a slope of 5/2 . The equation is this line is ?
Trava [24]

Answer:

2x + 5y + 28 = 0

Step-by-step explanation:

since they are perpendicular,

m1 ×m2 = -1

5/2 × m2 = -1

m2 = -2/5

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y -y1 = M (x-x1)

y - (-4) = -2/5 ( x - (-4) )

y +4 = -2/5 ( x + 4 )

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5y +20 = -2x - 8

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3 0
3 years ago
-2 1/5 (10x - 4.4) - 0.32
Semenov [28]
−42x+ 18.16

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6 0
2 years ago
Does it matter which coordinate is (x1,y1) and (x2,y2) or can I just choose which coordinate I want it to be?​
zubka84 [21]

Answer:

Technically not on a graph but on a table yes it matter but here if I were you I would do (2,2) and (-1,-4)

Step-by-step explanation:   y=mx+b

(2,2) and (-1,-4)                  2=2(2)+b                     Answer is: y=2x+(-2)

x1 y1         x2 y2                2=4+b

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m=2

slope                        

3 0
2 years ago
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