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3 years ago

For the following sequence, state if its arithmetic, geometric or neither -4, 12, -36, 108, -324...

Mathematics

2 answers:

Strike441 [17]3 years ago

6 0

Geometric because the common factor is -3. each time it’s being multiplied by negative 3.
ANSWER/// GEOMETRIC

miss Akunina [59]3 years ago

5 0

Answer:

It's geometric

Step-by-step explanation:

You multiply each term by "-3," so the common ratio is -3, making the sequence geometric.

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If 10% of a number is 7, what is 80% of the number?

Zanzabum

Answer:

Step-by-step explanation:

Note that 80% is 8 times 10%.

Thus, we could start with "If 10% of a number is 7" and multiply both quantities by 8: "80% of a number is 56."

Think:

10% of a number is 7,

20% is 14,

50% is 35,

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4 years ago

F(x) = -4x2 – 7x + 4<br> Find f(-7)

notka56 [123]

Answer:

Step-by-step explanation:

$f(x) = - 4 {x}^{2} - 7x + 4$

To find f(-7) , substitute the value of x that's - 7 into f(x). That is for every x in f(x) replace it with - 7

We have

$f( - 7) = - 4 ({ - 7})^{2} - 7( -7 ) + 4 \\ = 4(49) + 49 + 4 \\ = 196 + 53 \: \: \: \: \: \: \: \: \: \: \:$

We have the final answer as

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3 years ago

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luda_lava [24]

Hello!

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