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nydimaria [60]
3 years ago
15

Classify the polynomial x9

Mathematics
1 answer:
ollegr [7]3 years ago
6 0

Answer:

A polynomial is a combination of terms separated by

+

or

−

signs. A polynomial does not contain variables raised to negative or fractional exponents, variables in the denominator or under a radical, or any special features such as trigonometric functions, or logarithms.

Polynomial

Step-by-step explanation:

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Fred runs 200 metres in 21.2 seconds.
ludmilkaskok [199]

Answer:

9.43 m/s

Step-by-step explanation:

Fred runs 200 metres in 21.2 seconds

FIND: Work out Fred’s average speed

aver speed =<u> 200 m </u>

                       21.2 s

                   = 9.43 m/s

5 0
4 years ago
EMERGENCY: PLEASE ANSWER AS SOON AS POSSIBLE
spayn [35]

Answer:

<h2>Triangle A B C. Angle B is a right angle.</h2>

Step-by-step explanation:

A dilation with a scale factor of 2 represents a transformation where the preimage ABC would be smaller and the triangle A'B'C' would be twice bigger. That means, the pre-image will be inside the image.

Also, as you can observe in the image, angle B is a right angle. Triangle A'B'C' has B' as a right angle too.

Additionally, line segment B'C' is twice bigger than line segment BC, because the preimage is smaller.

Therefore, the only right answer is the first one.

3 0
3 years ago
Identify a1, r, n, and sn.<br><br> Can you explain how you got the answer? Thanks!
mixas84 [53]

Answer:

  see below

Step-by-step explanation:

The terms being summed are of the form ...

  a1(r)^(i-1)

which is the form of the general term of a geometric sequence. The summation symbol tells you the values of i range from 1 to 6, so this is the sum of 6 terms of the series. (n=6)

Comparing the form of the general term to the one shown, you can see that the leading coefficient (a1) is -4, and the common ratio (r) is 1/2. With these values in mind, the first and third answer choices are possibilities. However, the sum must be negative, since all of its terms are negative. Thus the only viable answer choice is the third one.

__

<em>Check</em>

The sum of n terms of a geometric series is ...

  Sn = a1(1 -r^n)/(1 -r)

For the given values, this is ...

  S6 = -4(1 -(1/2)^6)/(1 -1/2) = -4(63/64)/(1/2) = -63/8

3 0
3 years ago
I need help with alternate angles
LenKa [72]
These are my notes on different types of angles, including alternate angles!

5 0
3 years ago
If b+3/7 = 2/5 then which of the following is true?5b + 15 = 14 b + 3 = 14 5b + 3 = 14 b + 15 = 14
Roman55 [17]

Answer:

The first one is true. 5b+15=14

Step-by-step explanation:

(b+3)/7=  2/5

After cross-multiplication:

5(b+3)=2*7

5b+15=14

5 0
4 years ago
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