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Paha777 [63]
3 years ago
14

Help me please! No links its due now!!!!!!!

Mathematics
1 answer:
Andru [333]3 years ago
8 0

Answer:

33.49

Step-by-step explanation:

The equation you need to use is 4/3 * pi * r^3

4/3 * 3.14 * 2^3=33.4933333333333333333333

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allochka39001 [22]

Answer:

I have no idea

Step-by-step explanation:

3 0
3 years ago
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Find the number that must be added to each expression to form a perfect square trinomial. Then write the trinomial as a binomial
maksim [4K]
<h2>Hello!</h2>

The answers are:

a) \frac{49}{4}

b) (x+\frac{7}{2})^{2}

<h2>Why?</h2>

First, we need to know that for this case:

a=1\\2ab=7

So,

b=\frac{7}{2}

b^{2} =(\frac{7}{2})^{2}=\frac{49}{4}

We must add \frac{49}{4}  to the expression in order to form a perfect square trinomial,

x^{2} +7x+\frac{49}{4}

Writing the trinomial as a binomial square:

(x+\frac{7}{2})^{2}=x^{2}+2*\frac{7}{2}*x+(\frac{7}{2})^{2}=x^{2} +7x+\frac{49}{4}

Have a nice day!

8 0
3 years ago
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Greatest common factor of 15,75
Ostrovityanka [42]

15........hope it helps

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17/10-(2/5x2/2)
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Which statement must be true?
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I believe that the answer is 2.
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