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Vesna [10]
3 years ago
5

Help with functions homework

Mathematics
1 answer:
Volgvan3 years ago
8 0

Answer:

√x+3 -8

Step-by-step explanation:

To find the inverse function you need to work out what the<u><em> STORY OF X </em></u>is

first +8

then squared

then -3

<u><em>so to work out the inverse you do the opposite</em></u>

so x+3

then square root

then -8

so we get

√x+3 -8

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nikklg [1K]

Answer:

m = -16.6

Step-by-step explanation:

- 6.85 + m/4 = -11

Add 6.85 to each side

- 6.85+6.85 + m/4 = -11+6.85

m/4 =-4.15

Multiply each side by 4

m/4*4 = -4.15 *4

m = -16.6

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Step-by-step explanation:

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3 years ago
Mike buys three cans of pop per week. This is one more than two fifths the number of cans of juice Mike buys per week. Determine
Drupady [299]

Answer:

5

Step-by-step explanation:

Mike buys 3 cans of pop per week and this is one more than 2/5 of the number of cans of juice that he buys.

Let the number of cans of juice be j and let the number of cans of pop be buys be p.

This means that:

p = 1 +2j/5

Make j subject of formula:

p - 1 = 2j/5

=> 2j = 5p - 5

j = ½(5p - 5)

p = 3 (from the question)

Therefore:

j = ½(5 * 3 - 5) = ½(15 - 5)

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Mike buys 5 cans of juice per week.

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3 years ago
Carolyn was training for cross-country season on an indoor track. During her
Ahat [919]

Answer:

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24 * 110 = 2640 m

which translated to km are: 2.64 km

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