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zepelin [54]
2 years ago
14

Please answer number 11 I’ll give brainliest thank you!

Mathematics
1 answer:
WITCHER [35]2 years ago
4 0

Answer:

x=28 cm

Step-by-step explanation:

Ratio of length of bigger sides to smaller sides=20:10=2:1.

\frac{x}{14}=\frac{2}{1}

x=28

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Phantasy [73]

Answer:

11 1/3 sq yards

Step-by-step explanation:

4 1/4 x 2 2/3

change into improper fractions:  17/4 x 8/3 = 136/12 = 11 1/4

3 0
2 years ago
Explain how to use Pascal's Triangle to expand the binomial (3x-4y)^11
Mars2501 [29]

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}

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

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

<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

5 0
2 years ago
If x=am-an then a equals​
Iteru [2.4K]
ANSWER: a=x/(m-n)

x=a(m-n)
a=x/(m-n)
6 0
3 years ago
What is the image of (4,2) ?
Alinara [238K]

- don't know what you mean, but maybe the graph?

7 0
2 years ago
What does 6 - 6 + 3 =
Mice21 [21]

Answer:

3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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