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Westkost [7]
3 years ago
10

Today only, a suit is being sold at a 15% discount. The sale price is $391.

Mathematics
1 answer:
katrin2010 [14]3 years ago
6 0

Answer:

460

Step-by-step explanation:

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What is the simplified form of the following expression? 7 (RootIndex 3 StartRoot 2 x EndRoot) minus 3 (RootIndex 3 StartRoot 16
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Answer:

c

Step-by-step explanation:

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What is the greatest common factor of 23 and 9?
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Answer:

The GCF of 9 and 23 is 1.

Step-by-step explanation:

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Solve the following equation for x, in terms of a and b <br><br> ax= 15+bx
ZanzabumX [31]
Ax=15+bx
ax-bx=15
x(a-b)=15
x=15/(a-b)

4 0
3 years ago
A mass oscillating up and down on the bottom of a spring (assuming perfect elasticity and no friction or air resistance) can be
alexdok [17]

The motion of the mass as it moves on the bottom of the spring is a

repetitive motion.

  • \mathrm{The \ motion \ of \ the \ mass \ attached \ to \ the \ spring \ is \ }\displaystyle d = 6 \cdot sin\left(\frac{\pi}{2} \cdot t \right)

Reasons:

The general form of the equation of the simple harmonic motion of the

mass is <em>d</em> = a·sin(ω·t)

Where;

d = The distance of the mass from the rest position

a = The maximum displacement of the mass from the equilibrium position = 6 cm

ω = The frequency of rotation

t = The time of motion

ω = The frequency of rotation

\displaystyle \omega = \mathbf{\frac{2 \cdot \pi}{T}}

Where;

T = The time to complete one cycle (the period of oscillation) = 4 seconds

\displaystyle \omega = \frac{2 \cdot \pi}{4} = \frac{\pi}{2}

Combining the above values gives the modelling equation as follows;

\displaystyle d = 6 \cdot sin\left(\frac{\pi}{2} \cdot t \right)

Learn more here:

brainly.com/question/12904891

3 0
2 years ago
Caroline drove 350 miles to her grandmother's house. the trip took her 51/4 hours. what is the average speed to miles per hour?
kvv77 [185]
350/ 5.25 = x/1

x= 67 miles per hour
6 0
3 years ago
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