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Romashka [77]
3 years ago
5

How to subtract and add polynomials

Mathematics
1 answer:
jeka57 [31]3 years ago
3 0

Answer:

We want to add and subtract the polynomial

having the same powers.

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BRAINLIEST AND 10+POINTS! :)
BartSMP [9]

Answer: D.

Step-by-step explanation:

The associative property of addition states that numbers can be added together regardless of how they are grouped.

Answer A shows a property of multiplication.

Answer B shows the additive identity property.

Answer C shows the commutative property.

However, answer D shows that the numbers can be added regardless of how they are grouped.

5 0
3 years ago
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During summer vacation, Tori read, on average, 40 pages per night. Now that she has returned to school, she is averaging 5% fewe
STatiana [176]

Answer: 38 pages per night

Step-by-step explanation:

Tori used to read an average of 40 pages per night but now she is going at a rate that is 5% slower.

To find the number of pages she is reading now, first find 5% of 40 pages:

= 5% * 40

= 2

Then subtract this figure from 40:

= 40 - 2

= 38 pages per night

<em>By deducting 5% from the reading quantity, the person is reading at 5% less. </em>

8 0
3 years ago
The sum of 4 consecutive odd numbers is 40. What is the gratest of the 4 numbers
Dahasolnce [82]
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6 0
3 years ago
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2x -14 = -9 answer for this equation
dezoksy [38]

Answer:the exact form is x=5/2 if its wrong then its probably wrote in a different way

Step-by-step explanation: Move all terms that don't contain  

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3 years ago
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Please help!! ill give brainliest!!! this is worth 30 points!!!!!!!!​
Svetlanka [38]

Answer:   a. 45 = k

                 b. d/t = 45

                 c. d = 45t

<u>Step-by-step explanation:</u>

The constant of proportionality (k) equals y divided by x if it is a direct variation.  In the given problem, y is represented by distance (d) and x is represented by time (t).

a)\quad \dfrac{d}{t}=k\\\\\\.\qquad \dfrac{90}{2}=k\\\\\\.\qquad 45=k\\\\\\b)\quad \dfrac{d}{t}=k\\\\\\.\ \quad \dfrac{d}{t}=45\\\\\\c)\quad \text{multiply both sides by t:}\\.\qquad d=45t

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3 years ago
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