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ASHA 777 [7]
3 years ago
7

Roberto has a certain number of songs on his MP3 player.

Mathematics
2 answers:
mr_godi [17]3 years ago
5 0

a

Step-by-step explanation:

gregori [183]3 years ago
4 0

Answer:

D

Step-by-step explanation:

I’ve done this math I know I am right!

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A small tree is 80 cm tall.
ruslelena [56]
1.2 meters = 120 centimeters
amount of increase = 120-80 = 40 centimeters
40 ÷ 80 = 0.5 = 50%
There was a 50% increase.
7 0
3 years ago
WILL MARK BRAINLEIST
lina2011 [118]

Answer:

decrease by 50%

Step-by-step explanation:

\frac{0.4x}{0.8y} =\frac{x}{2y}      

Decreased by 60% = (100%-60%)x = 0.4x.

Decreased by 20% = (100%-20%)x = 0.8x.

\frac{x}{y} initial fraction, and we can see that denominator will increase 2 times, so fraction will decrease 2 times, or decrease by 50%.

6 0
3 years ago
Suppose a DVD costs $19 and a CD cost $14. Right in the inequality to find how many CDs you can buy along with one DVD if you ha
andrezito [222]

Answer: 19 + 14x ≤ 65

Explanation:

$19 is only added once because there is only one DVD purchased. $14 is added an unknown number of times, thus the variable X is included. We know that that the total number of dollars spent for both items is either less than or equal to 65. (Depending on your teacher, they may want you to write "19 + 14x < 65" if they want you to write the answer only for discrete numbers).

4 0
2 years ago
HELP PLEASE ILL GIVE YOU BRAINLIST !! I DONT UNDERSTAND IT .
inn [45]

Step-by-step explanation:

35 + 35 = 70

180 - 70 = 110

180 - 110 = 70

70  + 70 = 140

180 - 140 = 40

so the answer is 40

7 0
2 years ago
If h(x) = 7 + 6f(x) , "where f(5) = 7 and f '(5) = 3", find h'(5).
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