3 years ago

The ratio 3/8 has a unit rate of 3/16 true or false

Mathematics

2 answers:

Kaylis [27]3 years ago

3 0

Falseeeeeeeeeeeeeeeeeeeeeeeee

KATRIN_1 [288]3 years ago

3 0

False false false false

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In the third degree polynomial function f(x) =x^3 + 4x, why are 2i and -2i zeros?

IgorC [24]

Answer:

We just need to evaluate and get f(2i)=0, f(-2i)=0.

Step-by-step explanation:

Since $i^2=-1$ , then $i^3=i^2i=-i$ , and we can apply this when we evaluate $f(x) =x^3 + 4x$ for 2i and -2i.

First we have:

$f(2i) =(2i)^3 + 4(2i)=2^3i^3+8i=8(-i)+8i=0$

Which shows that 2i is a zero of f(x).

Then we have:

$f(-2i) =(-2i)^3 + 4(-2i)=(-2)^3i^3-8i=-8(-i)-8i=8i-8i=0$

Which shows that -2i is a zero of f(x).

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4 years ago

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MaRussiya [10]

Answer:

20+64=84

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74+10=84

30+54=84

Step-by-step explanation:

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3 years ago

How many moves are greater than 90 minutes in length?

Olegator [25]

Answer:

x ≤ 90?

Step-by-step explanation:

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Alligator 1 initial weight is 4 lbs. the rate of growth is 2 lbs. per month. Alligator 2 initial weight is 8 lbs. the rate of gr

LekaFEV [45]

Answer:

4 months

Step-by-step explanation:

Let the number of months be x

Alligator 1 weight = 4 + 2x

Alligator 2 weight = 8 + x

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The answer is 4 months

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Answer:

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Step-by-step explanation:

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