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andrew-mc [135]
2 years ago
9

Shane downloaded 5 songs in two minutes At this rate, how many songs can he download in ½ hour? ​

Mathematics
2 answers:
Rasek [7]2 years ago
6 0

Answer:

Shane can download 75 songs in half an hour.

Step-by-step explanation:

use a proportion;

5 x

--- = ---

2 30

30/2 = 15

15 x 5 = 75

x = 75

MissTica2 years ago
3 0

Answer:

75

Step-by-step explanation:

he can download 2.5 songs per minute so 2.5 x 30 is 75

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F(x)=2x-1, g(x)= 2-x^2 find g(-1)
rjkz [21]

Answer:

1

Step-by-step explanation:

g(x)=2-x^2

g(-1)=2-(-1)^2

=2-1

=1

Hope that this is helpful.

5 0
3 years ago
16% of what number is 2?
AnnZ [28]
0.32 Idk how but that is what Google said
4 0
3 years ago
Read 2 more answers
Roduct of 0.42 * 0.2
oee [108]

Answer:

0.084

Step-by-step explanation:

0.42 * 0.2 = 0.084

6 0
3 years ago
Cant find the answer
dedylja [7]

Answer:

Carter family = 25 hours

Davis family = 31 hours

Step-by-step explanation:

Let's say the number of hours the Carter family used their sprinkler is x and the number of hours the Davis family used their sprinkler for is y.

So combined:

x + y = 45 hours

and we are also told that:

40x + 15y = 1300 L

So we can do simultaneous equations to solve the problem.

With some rearranging, we can figure out that:

y= 45 - x

and by substituting that into the second equation:

40x + 15 (45 -x) = 40x + 675 - 15x = 1300L

25x = 1300 - 675

25x = 625

x = 25 = hours that the Carter family used their sprinkler

and we can substitute that back into the original equation to find how many hours the Davis family used their sprinkler so:

25 + y = 56

y = 31

The Davis family used their sprinkler for 31 hours whilst the Carter family used their sprinkler for 25 hours.

7 0
1 year ago
I don’t get it. Please help thanks
Likurg_2 [28]

Answer:

$2,410.69

Step-by-step explanation:

$1,950 x 1.15 = $2,242.50 after 15% markup

$2,242.50 x 1.075 = $2,410.68 after the 7.5% sales tax.


or you can do:


$1,950 x 0.15 = $292.5 markup

$1,950 + $292.5 = $2,242.50

$2,242.50 x 0.075 = $168.19 for sales tax

$2,242.50 + $168.19 = $2,410.69 total

5 0
3 years ago
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