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nydimaria [60]
3 years ago
6

Molly has $3 in her wallet if this is 10% of her monthly allowance what is your monthly allowance

Mathematics
2 answers:
Marina CMI [18]3 years ago
8 0
She gets $30 dollars a month as her allowance

Her allowance in a year would be 360
geniusboy [140]3 years ago
4 0
Her monthly allowance is $30.
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Janette has 6 puppies. she gives away 3. how many does she have left?
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x=6

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42 is the total, so 42/7 is 6.

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4 years ago
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a movie theater sells ticket for 16 each. the theater also sell beverages for 3. the theater needs to make 1900 in all oreder to
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let t be tickets and b be beverages


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6 0
3 years ago
Can anybody help me out with this it’s due tomorrow please?
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3 years ago
Find the length of the radius of the circle whose perimeter is xcm and the area is
Jobisdone [24]

\bf \stackrel{\textit{perimeter}}{\textit{circumference}}\textit{ of a circle}\\\\ C = 2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=x \end{cases}\implies x = 2\pi r\implies \boxed{\cfrac{x}{2\pi }=r} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ A=x \end{cases}\implies x = \pi \left( \boxed{\cfrac{x}{2\pi }} \right)^2\implies x = \pi \cdot \cfrac{x^2}{2^2\pi^2}

\bf x = \cfrac{x^2}{4\pi }\implies 4\pi x = x^2\implies \cfrac{4\pi x}{x}=x\implies \blacktriangleright 4\pi = x\blacktriangleleft \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since the radius is}}{r = \cfrac{x}{2\pi }}\implies r =\cfrac{4\pi }{2\pi }\implies \blacktriangleright r = 2\blacktriangleleft

6 0
3 years ago
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