Piper signed up for a streaming music service where there's a fixed cost for monthly

Mathematics

1 answer:

Marta_Voda [28]3 years ago

5 0

Answer:

I think the answer is 0.5 rate/number of songs she downloads. Sorry if I am wrong

Step-by-step explanation:

0.5x means that 0.5 is our rate and the question states that x represents the number of songs she downloads

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Simplify expression show step by step <br> (-2i)(8i)

TiliK225 [7]

Answer:

Step-by-step explanation:

<u>Remember that $i^2 = -1$ </u>

(-2i)(8i)

$-16i^2$

$-16(-1)$

5 0

3 years ago

1) 5x-2y=4. 2) 3x-5y=13 x-2y=5<br>3x+y=9

Natali [406]

$\left\{\begin{array}{ccc}5x-2y=4\\3x+y=9&/\cdot2\end{array}\right\\+\left\{\begin{array}{ccc}5x-2y=4\\6x+2y=18\end{array}\right\\----------\\.\ \ \ \ \ 11x=22\ \ \ \ /:11\\.\ \ \ \ \ \ \ x=2\\\\3\cdot2+y=9\\6+y=9\\y=9-6\\y=3\\\\Answer:x=2;\ y=3$

$\left\{\begin{array}{ccc}3x-5y=13\\x-2y=5\end{array}\right\\\left\{\begin{array}{ccc}3x-5y=13\\x=2y+5\end{array}\right\\\\substitute:\\\\3(2y+5)-5y=13\\6y+15-5y=13\\y=13-15\\y=-2\\\\x=2\cdot(-2)+5=-4+5=1\\\\Answer:x=1;\ y=-2.$

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3 years ago

I NEED THIS ASAP WORK IS ABOUT TO BE DUE IN A COUPLE OF HOURS

Gemiola [76]

Answer:

Step-by-step explanation:

The interquartile range is the difference between the last dot on the box and the first dot on the box.

20 - 40:

150 - 110 = 40

50 - 70:

125 - 95 = 30

4 0

2 years ago

A toy rocket is launched straight up into the air with an initial velocity of 60 ft/s from a table 3 ft above the ground. If acc

alexdok [17]

The equation is:
h ( t ) = - 16 t² + 60 t + 3
The toy rocket will reach the ground when: h ( t ) = 0
- 16 t² + 60 t + 3 = 0
$t _{12} = \frac{-60+/- \sqrt{3600+192} }{-32}$
t 1 = - 0.05
t 2 = 3.8
Answer:
C ) 3.80 s

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3 years ago

A cylinder with a radius of 6cm and height of 15 cm has a cylindrical cut out of the

suter [353]

Answer:

$V = 518cm^3$