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Vera_Pavlovna [14]
3 years ago
9

Find the 3rd term in the expansion of (a+b)^8 in simplest form.

Mathematics
1 answer:
Art [367]3 years ago
4 0

Answer:

The fifth term is the middle term of nine, with coefficient given by all the ways of choosing  4  items out of  8 , namely the ways of choosing  4   a 's out of  8  binomial factors.

Step-by-step explanation:

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Solve to find the values of a and b.<br>4a + 7b = 38<br>9a + 7b = 68​
Nataliya [291]
4a + 7b = 38 -> (1)
9a + 7b = 68 -> (2)

Subtract (1) from (2),
9a - 4a + 7b - 7b = 68 - 38
5a = 30
a = 6
5 0
3 years ago
RANDOM WORDS TO FILL WORD COUNT REQUIREMENT<br> −3x − 6 = 8x + 16
Assoli18 [71]

Answer:

x = 2

Step-by-step explanation:

-3x - 6 = 8x + 16

8x - 3x = 16 - 6 (subtract like terms)

5x = 10 (divide by 5)

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8 0
2 years ago
The volume of a cone is 196π ft ^3 . It's radius is 7 ft. Find the height.
Free_Kalibri [48]

Answer:

the height is about 12

Step-by-step explanation:

plug into the equation V=\pi r^{2}\frac{h}{3}

4 0
3 years ago
What is the value of s?
KonstantinChe [14]

Answer:

  35°

Step-by-step explanation:

Inscribed angle s is half the measure of the arc it subtends. That arc is the supplement to the 110° arc shown. The arc is 70°, so angle s is 35°.

6 0
3 years ago
Hey can you please help me posted picture of question
Flauer [41]
We can determine the correct graph by finding its roots

x² - 4x - 12 = 0

x² - 6x + 2x - 12 = 0

x(x-6) +2(x-6) = 0

(x+2)(x-6) = 0

This means the roots of the function are x=-2, and x=6 and the graph will cross x axis at these two points. From the given graphs, the graph B seems to cross these points.

So the answer to this question is option B
4 0
3 years ago
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