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Debora [2.8K]
2 years ago
15

Evaluate the algebraic expression 5 + 9(x-8)2 for x = 9. When x = 9,5+9(x-8)2 =

Mathematics
1 answer:
Lena [83]2 years ago
6 0
23. 5+9((9)-8)2, 5+9(1)2, 5+18=23
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What is the inverse function of f(x) =10^x
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Step-by-step explanation:

<h2><em>Inverse of f(x) , f−1(x)=logx , which is a logarithmic function.</em></h2>
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Lucy earned $400 and $550 in interest the last 2 years. Describe the average interest she should earn in each of the next 3 year
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So she has 400 and 500 so far.

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now let's look at the 500 account, she needs 11000 more, how much will it be for 11000 for the next three years on average?  11000/3 or about 3666.67.

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4 0
3 years ago
Write the expression 44(4–7)(4) using a single exponent.
Ghella [55]
<h3>The given expression as single exponent is:</h3>

4^4 \times 4^{-7} \times 4 = 4^{-2}

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

4^4 \times 4^{-7} \times 4

In exponents,

When the base is same, exponents can be added

Which means,

a^m \times a^n = a^{m+n}

Therefore,

4^4 \times 4^{-7} \times 4 = 4^{4-7+1}\\\\Simplify\\\\4^4 \times 4^{-7} \times 4 = 4^{-3+1} \\\\4^4 \times 4^{-7} \times 4 = 4^{-2}

Thus the given expression as single exponent is:

4^4 \times 4^{-7} \times 4 = 4^{-2}

8 0
3 years ago
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