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Brums [2.3K]
3 years ago
14

I asked this question yesterday, but no one answered, and i really need help! it would be nice if u halped :) thank you

Mathematics
1 answer:
babymother [125]3 years ago
3 0

Answer:

Total running time is 22.5

Step-by-step explanation:

The running time of TV episode is given by

where c is the number of commercials.

now it is given that number of ads are 15.

Inserting value of 15 as c in the equation,

Thus the total running time is 22.5

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The distance between two towns on a map is 6cm. The actual distance between two towns is 48 km. What is the scale on the map?
iragen [17]

Step-by-step explanation:

6cm : 48km

=> 1cm : 48km * (1/6) = 1cm : 8km. (C)

7 0
3 years ago
2x ( 4x - 5) (22 – 81) = 0
shepuryov [24]

Answer:

0.500

Step-by-step explanation:

6 0
3 years ago
The length and breadth of a rectangular ground is 30 m and 20 m respectively.A boy moves around the ground 5 times early morning
nasty-shy [4]

Answer:

500m

Step-by-step explanation:

a rectangle has 4 sides, so 30=60 and 20=40

60x5=300

40x5=200

300+200=500

500m

reason of 500

The main reason for this is he ran AROUND the rectangle and did it 5 TIMES, doing it once would be 100m.

3 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST
daser333 [38]

Answer:

f(-4) = 5

Step-by-step explanation:

Explanation of

      _

     |   5,             x < -3

f(x) | 2x² - 4,       -3 ≤ x ≤ 4

     | 1 - 6x ,       x > 4

     _

When the x in f(x) is less than -3 than f(x) = 5

When the x in f(x) is greater than -3 but less than 4 then f(x) = 2x² - 4

When the x in f(x) is greater than 4 than f(x) = 1 - 6x

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Now that we know this lets look back at the question.

We want to find f(-4).

Looking at the piece wise function we see that f(-4) follow x < -3 as "x" or -4 is less than -3. When x is less than -3, f(x) = 5, hence f(-4) = 5

     

3 0
3 years ago
Krissy ran three miles one morning she ran the first mile in 11. 74 minutes the second mile in 11. 26 minutes in the third mile
gladu [14]
Add up all the miles- 11.74+12.12+11.26 is 35.12. 34.12 minutes is the answer
8 0
3 years ago
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