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worty [1.4K]
3 years ago
6

Add (7x^2-2x+19)+(2x^2-7x+4) and please show me the steps of how you got the answer

Mathematics
1 answer:
san4es73 [151]3 years ago
7 0

Simplify

7x^2 - 2x + 19 + 2x^2 - 7x + 4

Collect like terms;

(7x^2 + 2x^2) + (-2x - 7x) + (19 + 4)

Simplify

<u>9x^2 - 9x + 23</u>

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David buys a house for $300,000. Each year, when the house is assessed, it increases in value by 5%. Is it a continuous or discr
ryzh [129]

Continuous I think have a good day

6 0
3 years ago
Read 2 more answers
on the football team, two out of every seven players are seniors. if the team has 84 players, how many are not seniors.
zaharov [31]

There are 60 players on football team that are not seniors.

Step-by-step explanation:

<u>Method 1:</u>

Given

Total students = 84

Also given that

2 out of 7 are seniors

Which is 2/7

So in order to find the total number of seniors we will multiply the whole number of students to 2/7

Senior\ students = \frac{2}{7} * 84\\= 24

So there are 24 seniors on the football team.

Players that are not seniors = 84 - 24 = 60

There are 60 players who are not seniors.

<u>Method 2:</u>

We can divide the total number by 7, to get how many sets of 7 players will be there

= 84/7 = 12

Now,

Multiplying 12 with 2 will give us the number of seniors in football team.

12*2 = 24 seniors

So,

Not seniors =84-24 = 60

Keywords: Percentage, Units

Learn more about percentage at:

  • brainly.com/question/4710621
  • brainly.com/question/4767370

#LearnwithBrainly

7 0
3 years ago
PLEASE HELP ME WITH THIS!! ;(
DochEvi [55]

Answer:

Zoom in and mark me as brainliest

4 0
3 years ago
Find the are of the shape below
skelet666 [1.2K]

Answer:

Area is 235

Step-by-step explanation:

Split the shape evenly so 11 x 14 and 9 x 9then multly and add

when slpitting up the number some times you have to add or subtract so to get 9 x 9 we just take 20 then take away 11 due to the line going through 20 and 20 - 11 = 9

9 x 9 = 81

11 x 14 = 154

81 + 154 = 235

or

Simular to the first one but the cutting line is different. this time the line cuts through 14

9 x 20 = 180

11 x 5 = 55

180 + 55 = 235

8 0
2 years ago
Which table represents a linear function?
Digiron [165]
It would be the first one because it’s going up by a constant rate
5 0
3 years ago
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