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Write a direct variation equation that relates x and y. Assume that y varies directly as x. Then solve. If y = 36 when x = 9, find x when y = 52. a. y = –4x; –13 c. y = 4x; 10.4 b. y = 3x; 13 d. y = 4x; 13
Write a direct variation equation that relates x and y. Assume that y varies directly as x. Then solve. If y = 36 when x = 9, x = 13 when y = 52. Let y = kx; 36 = 9k; k = 36/9; k = 4; y = 4x; when y = 52; 52 = 4x; x = 52/4; x = 13
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Asked 3/24/2016 9:49:27 PM
Updated 3/27/2016 9:39:38 PM
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Write a direct variation equation that relates x and y. Assume that y varies directly as x. Then solve. If y = 36 when x = 9, x = 13 when y = 52.
Let y = kx;
36 = 9k;
k = 36/9;
k = 4;
y = 4x;
when y = 52;
52 = 4x;
x = 52/4;
x = 13
Added 3/27/2016 9:39:38 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [3/27/2016 11:35:34 PM]
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If 10 n = 54, find n. What property are you making use of in this problem? a. n = 5.4, Division Property c. n = 5.4, Substitution Property b. n = 5.4, Plug in Property d. n = 5.4, Multiplicative Property
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Updated 294 days ago|6/29/2023 12:32:26 AM
1 Answer/Comment
If 10 n = 54, find n. n = 5.4, Multiplicative Property you arr making use of in this problem.
Solution
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(n/10)(10) = (54/10)
n = 5.4
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If f(x) = 4x -5 and g(x) = x2 + 1. Find f(x + 5) a. 4x c. (4x - 5)2 b. 4x + 15 d. (4x - 5)2 + 5
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Updated 2/7/2021 5:00:27 PM
1 Answer/Comment
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Added 2/7/2021 5:00:17 PM
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Write an inequality and solve this problem. Three times the sum of a number and seven is greater than five times the number less thirteen.What is the solution set? a. n > 17 c. n 14 d. n < 17
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Updated 2/7/2021 5:04:45 PM
1 Answer/Comment
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Added 2/7/2021 5:04:45 PM
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