Ask question

Ask question

All categories

3 years ago

12

Best Buy has PS4 game systems on sale for 15% off if the system is originally priced $399 how much is the game on sale with 6% t

ax

1 answer:

vlabodo [156]3 years ago

6 0

Answer:

Original Price =$399

Sales Price= $399*0.85 = $339.15

Total Sales price= $339.15*1.06 = 359.50

You might be interested in

If 21 - 22, which lines are parallel?

choli [55]

Answer:

C

Step-by-step explanation:

n and p are parallel since angle 1 and and 2 are equal

7 0

3 years ago

If X is a normal random variable with parameters µ = 10 and σ 2 = 36, compute

alex41 [277]

Answer:

Step-by-step explanation:

Given that X is a normal random variable with parameters µ = 10 and σ 2 = 36,

X is N(10, 6)

Or z = $\frac{x-10}{6}$

is N(0,1)

a) P(X > 5),

= $P(Z>-0.8333)\\=0.7977$

(b) P(4 < X < 16),

= $P(|z|$

(c) P(X < 8),

= $P(Z$

(d) P(X < 20),

= $P(Z$

(e) P(X > 16).

=P(Z>-0.6667)

= 0.2524

6 0

3 years ago

Hannah can paint a room in 12 hours. Destiny can paint the same room in 9 hours. How long does it take for both Hannah and Desti

Misha Larkins [42]

1 hours and 33 min if they work together

3 0

3 years ago

Read 2 more answers

A particle moves on the hyperbola xy=18 for time t≥0 seconds. At a certain instant, y=6 and dydt=8. What is x that this instant?

professor190 [17]

Answer:

The value of x at this instant is 3.

Step-by-step explanation:

Let $x\cdot y = 18$ , we get an additional equation by implicit differentiation:

$x\cdot \frac{dy}{dt}+y\cdot \frac{dx}{dt} = 0$ (1)

From the first equation we find that:

$x = \frac{18}{y}$ (2)

By applying (2) in (1), we get the resulting expression:

$\frac{18}{y}\cdot \frac{dy}{dt}+y\cdot \frac{dx}{dt} = 0$ (3)

$y\cdot \frac{dx}{dt}=-\frac{18}{y}\cdot \frac{dy}{dt}$

$\frac{dx}{dt} = -\frac{18}{y^{2}} \cdot \frac{dy}{dt}$

If we know that $y = 6$ and $\frac{dy}{dt} = 8$ , then the first derivative of x in time is:

$\frac{dx}{dt} = -\frac{18}{6^{2}} \cdot (8)$

$\frac{dx}{dt} = -4$

From (1) we determine the value of x at this instant:

$x\cdot \frac{dy}{dt} = -y\cdot \frac{dx}{dt}$

$x = -y\cdot \left(\frac{\frac{dx}{dt} }{\frac{dy}{dt} } \right)$

$x = -6\cdot \left(\frac{-4}{8} \right)$

$x = 3$

The value of x at this instant is 3.

4 0

3 years ago

Find the two consecutive positive even numbers whose sum of their square is 580.

Afina-wow [57]

Answer:16 and 18

Step-by-step explanation:

16x16=256

18x18=324

256+324=580

7 0

3 years ago