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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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Please help me as soon as possible. Thank you
gavmur [86]
2x + y = 3 is the blue boundary line...the shading is below the line which means 2x + y is less than or equal to 3

y - x = 2 is the red boundary line... the shading is above the line which means
y - x is greater than or equal to 2

ANSWER: 2x + y is less than or equal to 3 and y - x is greater than or equal to 2
5 0
3 years ago
Write the decimal for 1/8. Explain why this decimal is called a terminating decimal.
CaHeK987 [17]

Answer:

The decimal is 0.125

Step-by-step explanation:

The greatest common factor (GCF) of 1 and 8 is 1. Convert 1/8 to its simplest form by dividing the numerator and denominator by its GCF and you get

1/1=1

-   -

8/1= 1 over eight

4 0
3 years ago
If 13 out of 20 students are girls, what is the ratio<br> of girls to boys?
STALIN [3.7K]

Answer:

I think its 13:7

Step-by-step explanation:

3 0
3 years ago
Can someone help me please
MAXImum [283]
13. 12 3/8
14. 9 2/3
15. 3 4/10
16. 3
6 0
3 years ago
Find the length of l on the curve r(t)=5cos(3t)i-5sin(3t)j+3tk over the interval [3,7]
stealth61 [152]
\mathbf r(t)=5\cos3t\,\mathbf i-5\sin3t\,\mathbf j+3t\,\mathbf k
\mathrm d\mathbf r(t)=\mathbf r'(t)\,\mathrm dt=(-15\sin3t\,\mathbf i-15\cos3t\,\mathbf j+3\,\mathbf k)\,\mathrm dt

\displaystyle\int_C\mathrm d\mathbf r(t)=\int_{t=3}^{t=7}\|\mathbf r'(t)\,\mathrm dt\|=\int_{t=3}^{t=7}\sqrt{225\sin^23t+225\cos^23t+9}\,\mathrm dt
=\displaystyle3\sqrt{26}\int_{t=3}^{t=7}\mathrm dt
=12\sqrt{26}
4 0
3 years ago
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