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BARSIC [14]
4 years ago
13

Use the order of operations to simplify this expression.

Mathematics
2 answers:
sergey [27]4 years ago
7 0
First multiply 3.5 x 4.1

3.5 x 4.1 = 14.35

Then add 1.2

14.35 + 1.2 = 15.55

B. 15.55 is your answer

dedylja [7]4 years ago
5 0
The order of operations is PEMDAS which is Parentheses, Exponents, Multiplication/Division, and Addition/Subtraction. So, since there are no parentheses or exponents, we would do multiplication first. 3.5x4.1 is 14.35. So, the new equation is 1.2+14.35. This equals 15.55, which is answer choice B. Hope this helps!
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\sf~A=2b^3-1

Plug in A = 13

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The solution to the binomial expression by using Pascal's triangle is:

\mathbf{=177147x^{11}-2598156x^{10}y +17321040x^9y^2-69284160x^8y^3+184757760x^7y^4}

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<h3>How can we use Pascal's triangle to expand a binomial expression?</h3>

Pascal's triangle can be used to calculate the coefficients of the expansion of (a+b)ⁿ by taking the exponent (n) and adding the value of 1 to it. The coefficients will correspond with the line (n+1) of the triangle.

We can have the Pascal tree triangle expressed as follows:

                          1

               1                   1

        1                2                 1

    1          3              3               1

1      4            6                4            1

--- --- --- --- --- --- --- --- --- --- --- --- --- --- ---

From the given information:

The expansion of (3x-4y)^11 will correspond to line 11.

Using the general formula for the Pascal triangle:

\mathbf{(a+b)^n = c_oa^nb^0 + c_1 a^{n-1}b^1+c_{n-1}a^1b^{n-1}+c_na^0b^n}

The solution to the expansion of the binomial (3x-4y)^11 can be computed as:

\mathbf{=177147x^{11}-2598156x^{10}y +17321040x^9y^2-69284160x^8y^3+184757760x^7y^4}

\mathbf{-344881152x^6y^5+459841536x^5y^6-437944320x^4y^7+291962880x^3y^8}

\mathbf{-129761280x2y^9+34603008xy^{10}-4194304y^{11}}

Learn more about Pascal's triangle here:

brainly.com/question/16978014

#SPJ1

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