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svlad2 [7]
3 years ago
13

I need help with my math homework im in 8th grade

Mathematics
2 answers:
o-na [289]3 years ago
5 0
1. The answer is 729 (Question 2 idk)
avanturin [10]3 years ago
5 0
The answer to number 1 is B.
3x3x3x3=81
3x3=9
81/9=9
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dmitriy555 [2]

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Step-by-step explanation:

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3 years ago
Which equation is equivalent to<br><br> f(x) = 16x4 – 81 = 0?
Vesna [10]

Answer:

The equivalent expression is:

16x^4-81=(4x^2-9)(4x^2+9)

Step-by-step explanation:

We have been given the equation:

f(x)=16x^4-81=0

Equivalent expression can be computed by solving the expression ai its maximum.

We can factorize the given equation:

By using a^2-b^2=(a+b)(a-b)

Here, a=4x^2,b=9

Hence, we get the equation below:

16x^4-81=(4x^2-9)(4x^2+9)

Therefore, the equivalent expression is:

16x^4-81=(4x^2-9)(4x^2+9)

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3 years ago
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How do i solve for x and what is the answer
kiruha [24]

Answer:

(4+8)(4) = (x) 3

Step-by-step explanation:

The picture shows two secants intersecting at a point outside the circle.  A beautiful pattern for this is:  along each secant, the product (multiply) the <em>entire</em> secant by the <em>outside</em> part is the same.

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3 years ago
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