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vekshin1
3 years ago
14

lisa is painting a fence that is 26 feet long and 7 feet tall. a gallon of paint will cover 350 aquare feet. write and slove a p

roportion to determine how many gallons of paint lisa will neeed
Mathematics
1 answer:
vaieri [72.5K]3 years ago
4 0
The fence is 26*7=182 square feet. 1 gallon is enough for 350 square feet  and x for 182 square feet. => x=182/350=0.52 gallons. I hope I'm right.
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3 years ago
What is the value of "w" ?
NISA [10]

Answer:

w = \sqrt{147}

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

w² + 7² = 14²

w² + 49 = 196 ( subtract 49 from both sides )

w² = 147 ( take the square root of both sides )

w = \sqrt{147}

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3 years ago
D.<br> Question 2<br> - 3x + 7 (-6 - 50)<br> c=7<br> x = -9
Reil [10]

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Step-by-step explanation:

-3x+7(-6-50)

  1. -3(-9)+7(-6-50)
  2. 27+7(-6-50)
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5 0
3 years ago
Will mark brainliest to whoever can answer 10-15
fgiga [73]

f(x) = x² + 7

g(x) = -3x + 1

h(x) = 12/x

j(x) = 2x + 9

a.  g(10) = -3(10) + 1 = -20

b. f(3) = 3² + 7 = 9 + 7 = 16

c. h(-2) = 12/(-2) = -6

d. j(7) = 2(7) + 9 = 23

e. h(a) = 12/a

f. g(b+c) = -3(b+c) + 1 = -3b - 3c + 1

g. f(h(x)) = f(12/x) = (12/x)² + 7 = 7 + 144/x²

h. 16 = g(x) = -3x + 1,    -3x = 15,   x = -5

i. -2 = h(x) = 12/x,    x = 12/(-2),  x = -6

j.  23 = f(x) = x²+7,   16=x²,   x=±4

4 0
3 years ago
One afternoon, Supreme sub shop sells 15 subs in 45 minutes. If the shop continues to sell subs at the same rate, about how many
melomori [17]
60 subs
Because it’s 15 per 45 and 45 times 4 is 180 which means that in 3 hours or 180 minutes they sold 15 times 4 amount of subs and 15 times four is 60. Hope this helps. Sorry if the explanation isn’t that good
3 0
3 years ago
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