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Fynjy0 [20]
2 years ago
12

The product of (n2 – 6n + 3) and -4n is________ When this product is multiplied by -n, the result is________

Mathematics
2 answers:
krek1111 [17]2 years ago
3 0
-4n^3+24n^2-12n, 4n^4-24n^3+12n^2
aivan3 [116]2 years ago
3 0

Answer:

The product of (n2 – 6n + 3) and -4n is <u>-4n^3+24n^2-12n</u>. When this product is multiplied by -n, the result is <u>4n^4-24n^3+12n^2</u>.

Step-by-step explanation:

We have been given an incomplete statement. We are supposed to fill in the blanks for our given statement.

First of all, we will find product of (n^2-6n+3) and -4n.

-4n(n^2-6n+3)

Using distributive property a(b+c)=ab+ac, we will get:

-4n*n^2-4n*-6n-4n*3

-4n^3+24n^2-12n

Therefore, the expression for 1st blank is -4n^3+24n^2-12n.

Now, we will find product of (-4n^3+24n^2-12n) and -n.

-n(-4n^3+24n^2-12n)

Using distributive property again a(b+c)=ab+ac, we will get:

-n*-4n^3-n*24n^2-n*-12n)

4n^4-24n^3+12n^2

Therefore, the expression for 2nd blank is 4n^4-24n^3+12n^2.

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Andre45 [30]
Answers
b = 2.77 m
A = 43.0°
C = 111.1°

cosine law to find b

b^2 = a^2 + c^2 -2ac \cos B \\ \\&#10;b = \sqrt{a^2 + c^2 -2ac \cos B} \\ \\&#10;b = \sqrt{4.33^2 + 5.92^2 - 2(4.33)(5.92) \cos 25.9} \\&#10;b = 2.7708\ m

b = 2.7708\ m

Find angle A with sine law

\displaystyle&#10;\frac{\sin A}{a} = \frac{\sin B}{b} \\ \\&#10;\sin A = \frac{a \sin B}{b} \\ \\&#10;A = \sin^{-1} \left[ \frac{a \sin B}{b}  \right] \\ \\&#10;A = \sin^{-1} \left[ \frac{4.33 \sin 25.9}{2.7708}  \right]  \\ \\&#10;A = 43.0467020

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