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professor190 [17]
3 years ago
12

He Sun bought 3 skirts for s dollars each and a jacket that costs 5 times as much as each skirt. She spent a total of $280. How

much did the jacket cost? 1
Mathematics
1 answer:
OLEGan [10]3 years ago
3 0
The jacket cost 175 dollars.
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Step-by-step explanation:

The congruent angles of the isocels triangle's opposite sides's are congruent.

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An airplane left Atlanta with 20 empty seats. If the airplane was 75% full, what was the total number of seats on the airplane?
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3 years ago
Find the range of y = -3x + 7 for the domain {-8, -6, -3, -2, 2}
svetlana [45]
The domain is the set of x-values of a function. The range is the set of y-values of a function.

You are told that the domain, or x-values, are -8, -6, -3, -2, and 2. To find the range, you just need to plug in each of the x-values into the function <span>y = -3x + 7 and find the value of y.
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y = -3(-8) + 7
y = 24 + 7
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2) When x = -6
</span>y = -3x + 7
y = -3(-6) + 7
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3) When x = -3
y = -3x + 7
y = -3(-3) + 7
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y = -3(-2) + 7
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5) When y = 2
y = -3x + 7
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The range is {31, 25, 16, 13, 1}.

-------

Answer: 
{31, 25, 16, 13, 1}
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<span>t = 20/(r-50)</span>t=20/r-50 hours

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