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Lubov Fominskaja [6]

2 years ago

11

You have 3.4 gigabytes available on your MP3 player. Each song is about 0.004 gigabyte. How many more songs can you download ont

o your MP3 player?

1 answer:

Leto [7]2 years ago

8 0

Answer:

850 songs

Step-by-step explanation:

3.4 ÷ 0.004 = 850

Hope this helps!! :)

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Consider the expression 5a + (-4b), where bis a negative number and a

Leona [35]

The sum is negative.

6 0

2 years ago

Find the volume of the figure.

NARA [144]

Answer:

Step-by-step explanation:

Volume of the figure = Volume of cone + Volume of hemisphere

Cone:

height h = 33 m

Diameter = 30m

Radius r = 30/2 = 15 m

Volume of Cone:

$=\frac{1}{3}\pi r^{2}h\\\\=\frac{1}{3}\pi*15*15*33\\\\=\pi*15*15*11\\\\=2475\pi m^{2}$

Hemisphere:

Radius r = 15 m

Volume of Hemisphere =

$=\frac{2}{3}\pi*r^{3}\\\\=\frac{2}{3}\pi*15*15*15\\\\=2*\pi*5*15*15\\\\=2250\pi$

Volume of the figure = 2475π + 2250π = 4725π m²

3 0

2 years ago

Jack is 2 times as old as Lacy. 7 years from now the sum of their ages will be 35 . How old are they now?

atroni [7]

Assume the old of Jack is X and the old of Lacy is Y
so ...
do the mathematical model ...
.
X=2Y
(X+7)+(Y+7)= 35
-
THEN
Solve the equation
y= 7
x = 14

8 0

2 years ago

I NEED HELP ON NUMBER 6 PLEASE A AND B, ITS

olya-2409 [2.1K]

P-111
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6 0

2 years ago

Solve by factoring 6p^2 =21p-6

uysha [10]

Given,

The expression is:

$6p^2=21p-6$

By using the middle term splitting method,

$\begin{gathered} 6p^2-21p+6=0 \\ 2p^2-7p+2=0 \\ (x-(\frac{7+\sqrt{33}}{4}))(x+\frac{7+33}{4})=0 \end{gathered}$

Hence, the factor is (x-(7+sqrt(33)/4)) (x+(7+sqrt(33)/4)).

7 0

5 months ago