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gizmo_the_mogwai [7]
3 years ago
14

What is the value of these coins?

Mathematics
2 answers:
Liula [17]3 years ago
7 0

Answer:like $2.39

Step-by-step explanation:

Alborosie3 years ago
3 0

Answer:

$2.39

Step-by-step explanation:

4 pennies=4

2 nickels=10

10 dimes=100

5 quarters=125

$2.39

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Find the formula an for the nth term of the geometric sequence satisfying the following conditions: a1 = -2,
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Answer:

Step-by-step explanation:

a1 = - 2

an = a1 * r^(n - 1)

a6 = -486

-486 = - 2 * r^(6-1)                      Divide by 2

243 = r^5

The largest value that r could be is 3.

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So the general formula

an = -2*(3)^(n - 1)

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Which of the following is the equation of a line perpendicular to the line y=-10×+1 passing through the point (5,7)
Juliette [100K]
Y = -10x + 1...slope here is -10. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal of a number, flip the number and change the sign. So our perpendicular line will need a slope of 1/10.

y = mx + b
slope(m) = 1/10
(5,7)....x = 5 and y = 7
now sub and find b, the y int
7 = 1/10(5) + b
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3 years ago
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Step-by-step explanation:

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