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aleksklad [387]
3 years ago
13

Evelyn bought some books at the local bookstore. Her total bill was $31.50, which included 5% tax. How much did the books cost b

efore tax?
Mathematics
1 answer:
disa [49]3 years ago
5 0

The books cost $29.925 (or $29.93 rounded). Tax was $1.58

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Step-by-step explanation:

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Find the distance between the points T(13, 1.6) and V(5.4.3.7).
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Find the distance between the points t(13, 1.6)t(13, 1.6) and v(5.4, 3.7)v(5.4, 3.7).

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eco92

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The distance between any 2 points P(a,b) and Q(c,d) in the coordinate plane, is given by the formula:

Thus the distance between points t(13, 1.6) and v(5.4, 3.7) is found using the formula as:

5 0
2 years ago
What is the percentage change ? 54 decreased to 32?
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2 years ago
The volume ( v) of a gas in a container at a constant temperature varies inversely as the pressure (p). If the volume of a gas i
andre [41]
The answer is 12.8 cm³

<span>The volume ( v) of a gas in a container at a constant temperature varies inversely as the pressure (p):
v = k/p
p * v = k  (k - constant)

p1v1 = k
p2v2 = k
So, p1v1 = p2v2

v1 = 24 cm</span>³
p1 = 16 lb
v2 = ?
p2 = 30 lb

24 * 16 = x * 30
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3 years ago
HELP ASAP I NEED TO PASS THIS
ratelena [41]
I don’t think it’s c it is c
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3 years ago
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