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alisha [4.7K]
3 years ago
11

A football field is shaped like a

Mathematics
1 answer:
MrRa [10]3 years ago
3 0

Answer:

18x^2

Step-by-step explanation:

You're basically just multiplying them together :)

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Complete the square on the following quadratic x2+10x+9=0
kakasveta [241]
Given a quadratic equation x^{2} +ax+c=0

1. the first thing we do when we want to compete the square, is write the coefficient of x as 2 times a number.

In our case the coefficient of x is 10, so we write 10 as 2*5

2. then we write + 5^{2} and - 5^{2} to the expression:

x^{2} +2*5*x+ 5^{2} -5^{2}+9=0

(x^{2} +2*5*x+ 5^{2}) -25+9=0

(x+5)^{2}-16=0



Answer: (x+5)^{2}-16=0
8 0
3 years ago
Please answer quickly Ill give brainliest.
Harman [31]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HELP ME PLEASEEEEEEEEEEEE
olga nikolaevna [1]

Answer:

L

Step-by-step explanation:

The first number is always x-coordinate. And amongst all only J and L has positive x-coordinates. With J y-coordinate is also positive so it should be L

5 0
3 years ago
Will give brainliest, if its correct
Paul [167]

Answer:

C) -1

Step-by-step explanation:

(ax+3)²=36

<em>Square root both sides</em>

ax+3=6

<em>Subtract 3 from both sides</em>

ax=3

<em>Put x in</em>

-3a=3

a= -1

C) -1 would work.

6 0
3 years ago
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Waylon is typing a paper for keyboarding class. He has typed 648 words in 8 minutes. He types at the same rate each minute. Whic
Vlad1618 [11]

Answer:

that is the correct answer

7 0
2 years ago
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