3 years ago

How do you solve D / -9 greater than 4

Mathematics

1 answer:

Dmitry [639]3 years ago

8 0

Answer:

Step-by-step explanation:

-D/9>4, multiply each side by -9 (and reverse sign because of multiplication by a negative)

D<-36

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Can someone check if this is right or did I solve it wrong?

ICE Princess25 [194]

Answer:

f(3x) - 2g(x+1) = 12x - 5

Step-by-step explanation:

You've got f[g(x)] and g[f(x)] correct

However, f(3x) means substitute 3x for x in f(x):

f(3x) = 2(3x) - 3

⇒ f(3x) = 6x - 3

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On a coordinate plane, DEF has vertices D(1,2), E(7,2)and F(1,9). What is the distance between point E and F?

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Step-by-step explanation:

Using distance formula,

Let the distance between point E and F = ef,

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