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777dan777 [17]
3 years ago
14

Doris paid $316.80 for wallpaper to cover a 24 foot by 12 foot wall. She used all the wallpaper she purchased, with no waste or

overlap.
What was the cost of the wallpaper per square foot?
Mathematics
1 answer:
tatiyna3 years ago
4 0
The answer is $1.10 because if you divide and multiply by the other answers this answer is the only one that makes sense
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Which questions? im confused
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Hassan keeps picking playing cards out of a standard deck of 52 cards, hoping that he will draw a queen. There are four queens i
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Step-by-step explanation:

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Which is the value of this expression when a=5 and k=-2?<br> [3^2a^-2]^k<br> [3a^-1]
Alex Ar [27]

Answer:243 /3125

(Decimal: 0.07776)

Step-by-step explanation:((32)(5−2))2(3(5−1))

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3 years ago
PLEASE 25 POINTS!!!!!!
Rufina [12.5K]
-4.9t²+7.5t+1.8=2.1
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t=-7.5±√(56.25-4*-4.9*-.3)/-2*4.9

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8 0
3 years ago
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Work out the area of this circle. Give you answer in terms of pi and state it’s units
tino4ka555 [31]

Answer:

49π

Step-by-step explanation:

area of circle = πr^2

<em>Handy Tip: cherry pies delicious; apple pies are(R) too(2)! so C = πd and A = πr^2</em>

diameter = 14 cm

radius = 14/2 = 7cm

area of circle = π(7)^2

area of circle = 49π

Hope that helps!

3 0
3 years ago
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