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2 years ago

3x3x3x3x2x2. Complete the expression using exponents

Mathematics

2 answers:

cricket20 [7]2 years ago

6 0

Answer:

3 to the power of 4 and 2 squared

Step-by-step explanation:

count the amount of numbers and put the little number in top right (exponent)

mafiozo [28]2 years ago

5 0

Answer:

3x3x3x3x2x2 = (3x3x3x3) x (2x2) = 3^4 x 2^2

Let me know if this helps!

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The radius r of a circle is increasing at a rate of 7 centimeters per minute. (a) find the rate of change of the area when r = 1

VikaD [51]

Dr /dt = 7

A = pi r^2

dA / dr = 2pir

dA/dt = dA/dr * dr/dt = 2pir * 7 = 14pir

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3 years ago

What are the common factors of 35 and 60?

Ksivusya [100]

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3 years ago

SUPER EASY

goblinko [34]

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3 years ago

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The expression 3x2−5x2simplifies to −2x2<br><br> is this true?

Helga [31]

Answer:

I dont think so I would look at it as how did they get the -2

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3 years ago

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Solve for x in the equation x2-8x+41=0

Alinara [238K]

Answer:

d) 4 ± 5i

Step-by-step explanation:

Here we have to use the quadratic formula.

x = $\frac{-b +/- \sqrt{b^2 - 4ac} }{2a}$

In the given equation x^2 - 8x + 41 = 0, a =1, b = -8 and c = 41

Now plug in the given values in the above formula, we get

x = $\frac{-(-8) +/- \sqrt{(-8)^2 - 4*1*41} }{2*1}$

Simplifying the above, we get

x = $\frac{8 +/- \sqrt{64 - 164} }{2}$

x = $\frac{8 +/- \sqrt{-100} }{2}$

[√-100 = √-1 *√100 = i*10 = 10i] because the value of √-1 = i]

x = (8 ± 10i )/2

Now dividing by 2, we get

x = 4 ± 5i

The answer is d) 4 ± 5i

Hope you will understand the concept.

Thank you.

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3 years ago

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