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siniylev [52]
4 years ago
14

Question 3 Unsaved

Mathematics
1 answer:
sweet-ann [11.9K]4 years ago
7 0
The degree is indicated by the highest exponent in the polynomial.  That degree is a 2.  And since we have only 1 term in this "polynomial", it is then a second degree monomial.  Third choice down.
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Seema used compatible numbers to estimate the product of (–25.31)(9.61). What was her estimate?
zepelin [54]
If she used rounding properly, she would have gotten -25 x 10 = -250
8 0
3 years ago
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Please answer fast, it's important... Q) find the volume of cube whose dimensions are (x+7y), (7x-y) and (xy-5).​
Alona [7]

Answer:

Volume = 7x^3y+48x^2y^2-7xy^3 -35x^2-240xy-35y^2

Step-by-step explanation:

Given

Shape: Cube

Dimension: (x+7y), (7x-y) and (xy-5).​

Required

Determine the volume

The volume is calculated by multiplying the dimensions:

Volume = (x+7y) * (7x-y) * (xy-5)

Evaluate the first 2 brackets

Volume = [x(7x-y)+7y(7x-y)] * (xy-5)

Volume = [(7x^2-xy)+(49xy-7y^2)] * (xy-5)

Volume = [7x^2-xy+49xy-7y^2] * (xy-5)

Volume = [7x^2+48xy-7y^2] * (xy-5)

Open brackets

Volume = xy[7x^2+48xy-7y^2] -5[7x^2+48xy-7y^2]

Volume = 7x^3y+48x^2y^2-7xy^3 -35x^2-240xy-35y^2

8 0
3 years ago
After five games a football team's goal average is 2.8. After one more game the goal average is 3. The number of goals scored in
Svetlanka [38]

Answer:

4 goals

Step-by-step explanation:

Let:

x = number of total goals scored in first 5 games

y = answer = number of goals in 6th game

formula:

average = sum of individual parts / total number of parts

average_5_games = x / 5 = 2.8

solve for x:

x = 2.8 × 5 = 14

average_6_games = (x + y) / 6 = 3

solve for y:

x + y = 6 × 3 = 18

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4 0
3 years ago
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What is numerical coefficient of this term?<br> -3z
zalisa [80]
-3 because if you take apart your number then you get -3 and z.
3 0
3 years ago
740,000= ten thousands
erastova [34]
= 40 ten thousands .
8 0
4 years ago
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