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ivann1987 [24]
3 years ago
9

Find f (1) if f(x) = -3x – 5.

Mathematics
2 answers:
laila [671]3 years ago
8 0

Answer:

→ \:{ \tt{f(x) =  - 3x - 5}}

• when x is 1;

→ \: { \tt{f(1) =  - 3(1) - 5}} \\ → \: { \tt{f(1) =  - 3 - 5}} \\  \\ → \: { \boxed{ \tt{f(1) =  - 8}}}

Strike441 [17]3 years ago
3 0

Answer:

-8

Step-by-step explanation:

f(1)=-3(1)-5=-3-5=-8

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x=26

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AfilCa [17]

Answer:

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Step-by-step explanation:

So let's call the dogs D and the birds B.

D = 25% + B

What ever the amount of animals, the total for D must always be 25% more than B.

To get 100% of the animals, B must equal 37.5% and D must equal 62.5%.

The way I worked this out was:

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And just to check

37.5% + 62.5% = 100%

So to work out 100%:

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time both by 62.5 to get 62.5%

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We'll round that answer because I'm pretty sure they don't have a .333313th of a dog.

So D = 62.5% = 83

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Phew! That was the hard part. Now onto something wayyy easier.

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There are 133 animals in total in the shelter.

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