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Yanka [14]
3 years ago
8

A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). The size of the

high-quality version is 4.1 MB. Yesterday, there were 730 downloads of the song, for a total download size of 2377 MB. How many downloads of the high-quality version were there?
Mathematics
1 answer:
Effectus [21]3 years ago
5 0
310 is your answer. hopefully this helps :)
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Ax + z = aw - y<br> Solve for a
olga2289 [7]
Ax=aw-z-y
divide by x
a=awx-z-y
a=awx-zy
8 0
3 years ago
A train leaves at 11.15 and arrives at its destination at 12.23. If the train travelled 95 km, what was it's average speed in km
xxMikexx [17]

Answer:

Average speed v = 83.8 km/h

Step-by-step explanation:

Given;

Distance travelled = 95 km

Time taken t = 12.23 - 11.15 = 1 hour 8 minutes

t = 1 + 8/60 hours = 1.133 hours.

Average speed v = distance travelled/time taken

substituting the values;

v = 95 km ÷ 1.133 hours

Average speed v = 83.8 km/h

4 0
3 years ago
Find the stationary points on the curve y = (3x – 1)(x - 2)^4.
Stels [109]

Step-by-step explanation:

by using y=uv derivative formula and stationary mean y' = 0

y' = 3(x–2)⁴ + 3(3x–1)(x–2)³ = 0

cancel 3 and factorize

(x–2+3x–1)(x–2)³ = 0

x = ¾ or x = 2

we got point \left(\frac{3}{4},\frac{5^5}{4^5}\right) and (2,0)

6 0
3 years ago
10 points
oee [108]

Answer:

x = 240 feet

Step-by-step explanation:

It is given that,

The angle of depression is 30 degrees from the bottom of the boat to a  deep sea diver at the depth of 120 ft.

We need to find the distance x the diver must  swim up to the boat. It can be calculate by applying trigonometry as follows :

\sin30=\dfrac{120}{x}\\\\x=\dfrac{120}{\sin30}\\\\x=240\ \text{feet}

So, the distance the diver must swim up to the boat is 240 feet.

6 0
3 years ago
What is 8/15÷2/5?What so u think is the best answer for this problem??
Mademuasel [1]

Answer:

1 1/3

Step-by-step explanation:

Solve. Change the division sign into a multiplication, and flip the second fraction:

(8/15)/(2/5) = (8/15) x (5/2)

Multiply across:

(8 x 5)/(15 x 2) = (40)/(30)

Simplify. Divide common factors:

(40/30)/(10/10) = 4/3

4/3 or 1 1/3 is your answer.

~

5 0
3 years ago
Read 2 more answers
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