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san4es73 [151]
3 years ago
5

Rihanna has a mixture of nickels and quarters in her piggy

Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 0
22 quarters and 4 nickels
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X^2-5x-36:factorize it
aliina [53]
In factorizing its 36 my dude. Im sure just took the test




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3 years ago
X varies directly as y, and x = 153 when y = 9. Find x when y = 13.
goblinko [34]
X = 153 = 17* 9, so when <span>y = 13, x= 21*13= 273

x= 17  18   19  20  21 
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What can you add to get 18 but multiply to get 180
ratelena [41]

Answer:

10

Step-by-step explanation:

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The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 1
Tanzania [10]

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the object will fall 792 feet in 17 seconds

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3 0
3 years ago
Read 2 more answers
Find the equation of the line containing the points (20,-7) and (10,-2). Type your answer in this order and don't use spaces or
aliina [53]

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\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-7)}=\stackrel{m}{-\cfrac{1}{2}}(x-\stackrel{x_1}{20}) \\\\\\ y+7=-\cfrac{1}{2}x+10\implies y=-\cfrac{1}{2}x+3

4 0
2 years ago
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