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3 years ago

Tell which of the diagram is a function or not.

Mathematics

1 answer:

Basile [38]3 years ago

8 0

Answer:

The answer to your question is below

Step-by-step explanation:

1.-

a) It's a function

b) It is not a function

c) it's a function

d) it's a function

2.-

a) It's a one to one function

b) it's not a one to one function

c) it's a one to one function

d) it's a one to one function

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3 years ago

Solve for k 4.5+1.5k=18−3k

sertanlavr [38]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{k = 3}}}}}$

Step-by-step explanation:

$\sf{4.5 + 1.5k = 18 - 3k}$

Move 3k to left hand side and change it's sign

Similarly, move 4.5 to right hand side and change it's sign

$\longrightarrow{ \sf{1.5k + 3k = 18 - 4.5}}$

Collect like terms

$\longrightarrow{ \sf{4.5k = 18 - 4.5}}$

Subtract 4.5 from 18

$\longrightarrow{ \sf{4.5k = 13.5}}$

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$\longrightarrow{ \sf{k = 3}}$

Hope I helped!

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On the scale drawing of a car, the length from bumper to bumper is 6 inches. The car"s actual length, from bumper to bumper, is

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3 years ago

Y=3x

Mariulka [41]

So you subtitute y=3x into
2x+y=15
so
2x+(3x)=15
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subtitute x=3 into first equation (y=3x)
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