3 years ago

Can somebody help me with this

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

8 0

Nope lol , don't even know what the dang
question is

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Which of the following are solutions to the equation below?

lana66690 [7]

Answer:

F. - 4

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3 years ago

What is the coefficient of the x5y5-term in the binomial expansion of (2x – 3y)10? 10C5(2)5(3)5 10C5(2)5(–3)5 –10C5(2)5(–3)5 10C

butalik [34]

ANSWER

$10C_5(2)^{5}( - 3)^5$

EXPLANATION

The given binomial expansion is:

${(2x - 3y)}^{10}$

Compare this to

${(a + b)}^{n}$

we have a=2x , b=-3y and n=10

We want to find the coefficient of the term

${x}^{5} {y}^{5}$

This implies that, r=5.

The terms in the expansion can be obtained using

$T_{r+1}=nC_ra^{n-r}b^r$

We substitute the given values to obtain;

$T_{5+1}=10C_5(2x)^{10-5}( - 3y)^5$

$T_{6}=10C_5(2x)^{5}(3y)^5$

$T_{6}=10C_5(2)^{5}( - 3)^5 {x}^{5} {y}^{5}$

Hence the coefficient is;

$10C_5(2)^{5}( - 3)^5$

5 0

3 years ago

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There are 18 pieces of chalk. The ratio if chalk that is yellow to chalk that is not yellow is 1:2. How many more pieces of whit

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The amount of chalk are equal

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3 years ago

What is the factorization of x^3 + 8?

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X^3 + 8 =
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3 years ago

Simplify 4 + (-3) - 2 x (-6 )

sukhopar [10]

If you would like to simplify 4 + (-3) - 2 * (-6), you can do this using the following steps:

4 + (-3) - 2 * (-6) = 4 - 3 + 2 * 6 = 1 + 12 = 13

The correct result would be 13.

7 0

3 years ago