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andrew11 [14]
3 years ago
5

Find the common difference of this arithmetic sequence: 5.9, 18.0, 30.1, 42.2, 54.3, 66.4...

Mathematics
1 answer:
faltersainse [42]3 years ago
5 0

Answer:

ookk

Step-by-step explanation:

the common denoniatior

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A line passes through the point (-8, 6) and has a slope of 3/2
Vladimir79 [104]

Answer:

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Step-by-step explanation:

so the point slope form is  y-y₁=m(x-x₁)

so enter the points (-8, 6)

y-6= 3/2(x-(-8))

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What is the supplementary angle to an angle that has 112 degrees?
olga55 [171]
Supplementary means they add up to 180°.
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The answer is 68°
7 0
3 years ago
If a4 = 625, what does (a) equal?
Reika [66]

I'm assuming you meant to write a^4 = 625.

If that is the case, then note how 625 = 25^2, and how a^4 is the same as (a^2)^2

So we go from this

a^4 = 625

to this

(a^2)^2 = 25^2

Apply the square root to both sides and you'll end up with: a^2 = 25

From here, apply the square root again to end up with the final answer: a = 5 or a = -5

As a check:

a^4 = (-5)^4 = (-5)*(-5)*(-5)*(-5) = 25*25 = 625

a^4 = (5)^4 = (5)*(5)*(5)*(5) = 25*25 = 625

Both values of 'a' work out

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3 years ago
Matthew is half as old as Alan. If the sum of their ages is 54, find their ages.
kompoz [17]

Answer:

26

Step-by-step explanation:

5 0
2 years ago
Emily buys a CD for $12.07,including tax. She gives the clerk a $20 bill. How many change should she receive?
soldi70 [24.7K]

Answer:

$7.93

Step-by-step explanation:

20 - 12.07 = 7.93

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