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Bezzdna [24]
3 years ago
14

Jaylynn was buying new mascara. She bought it on sale for $5.56. If the price represents a 20% discount from the original price,

what is the original price to the nearest cent?
Mathematics
1 answer:
Len [333]3 years ago
4 0
X-0.20x=5.56
Solve for x
So the original price is
X=6.95
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Answer: the answer is D

Step-by-step explanation:V = pi (d/2)^2  *  h

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6 0
2 years ago
A bakery sells mocha cupcakes and chocolate cupcakes. It sold 340 mocha cupcakes in a day. 15% of the cupcakes sold that day wer
slava [35]

Answer:

400 cupcakes

Step-by-step explanation:

So, 340 is 85%. 15% is chocolate.

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8 0
3 years ago
Rationalize the denominator and simplify. StartFraction 5 minus StartRoot 3 EndRoot Over 4 plus 2 StartRoot 3 EndRoot EndFractio
nasty-shy [4]

Answer:

\frac{13-7\sqrt{3}}{2}

Step-by-step explanation:

We need to rationalize the denominator of = \frac{5-\sqrt{3}}{4+2\sqrt{3}}. For rationalizing we multiply the equation by \frac{4-2\sqrt{3}}{4-2\sqrt{3}}

So, solving

= \frac{5-\sqrt{3}}{4+2\sqrt{3}}*\frac{4-2\sqrt{3}}{4-2\sqrt{3}} \\=\frac{(5-\sqrt{3})(4-2\sqrt{3})}{4+2\sqrt{3}*4-2\sqrt{3}}\\=\frac{(5-\sqrt{3})(4-2\sqrt{3})}{(4)^2-(2\sqrt{3})^2}\\= \frac{5(4-2\sqrt{3})-\sqrt{3}(4-2\sqrt{3})}{16-(4*3)}\\=\frac{20-10\sqrt{3}-4\sqrt{3}+2*3}{16-12}\\=\frac{20+6-14\sqrt{3}}{4}\\=\frac{26-14\sqrt{3}}{4}\\= \frac{2(13-7\sqrt{3})}{4}\\=\frac{13-7\sqrt{3}}{2}

5 0
3 years ago
A law firm changes $100 por hour
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Answer:

y=3(100)+300

Step-by-step explanation:

6 0
3 years ago
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PSYCHO15rus [73]

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3 years ago
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