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ICE Princess25 [194]

3 years ago

13

Vinyl wallpaper is needed to cover 4 walls of a room. Each wall measures 12 feet by 8 feet and each bolt of wallpaper covers 72

square feet. Deduct 52 square feet for windows and the door. If the wallpaper costs $13.90 per bolt, how much will the paper cost?

1 answer:

motikmotik3 years ago

6 0

You would need about $68.00 dollars worth of wallpaper

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How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed?

attashe74 [19]

Think of it this way:
_ _ _ (3 digit number)

for the first blank you could have 7 possibilities
for the second blank you could have 6 possibilities
for the third blank you could have 5 possibilities
because each time you fill in a blank one number is removed from the list of possibilities

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3 years ago

Which equation represents the line that passes through (–6, 7) and (–3, 6)?

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Answer:

$y = \frac{-x}{3} + 5$

Step-by-step explanation:

Given A (x₁, y₁) = ( -6, 7) and B (x₂, y₂) = (-3, 6)

Slope of line passing through points ( -6, 7) and (-3, 6) is:

m = $\frac{y_{2} -y_{1}}{x_{2} -x_{1}} =\frac{6 - 7}{-3 + 6} =\frac{-1}{3}$

Now, the equation of line in point-slope form:

(y - y₁) = m (x - x₁)

Substituting the value of m and (x₁, y₁) = ( -6, 7) in above equation,

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$(y - 7) = \frac{-1}{3}(x + 6)$

$3y - 21 = -x - 6$

$3y = -x - 6 + 21$

$3y = -x + 15$

$y = \frac{-x + 15}{3}$

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Option B is the correct answer.

6 0

3 years ago

Read 2 more answers

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belka [17]

30*10%/100=3
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step by step explanation

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Answer:

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