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enot [183]
3 years ago
9

What does it mean to solve a system of linear equation

Mathematics
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

to figure out the answer / an assignment of values to the variables

Step-by-step explanation:

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Did you mean mongol?
Kublai Khan
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Which statements are true?<br>(look at picture)​
Makovka662 [10]

Answer:

D is true, E is true, F is true

Step-by-step explanation:

Hello,

n is an odd number it means that n = 2a+1 where a is integer

A

n^2-1=(2a+1)^2-1=4a^2+4a+1-1=4a(a+1)

this is <u>not</u> an odd number

B

n(n-1)=(2a+1)2a

this is <u>not</u> an odd number

C

(n-1)^2=(2a+1-1)^2=4a^2

this is <u>not</u> an odd number

D

n^2+2=(2a+1)^2+2=4a^2+4a+1+2=4a^2+4a+3= 2(2a^2+2a+1)+1

so this is an odd number

E

n(n-2)=(2a+1)(2a-1)=4a^2-1=4a^2-2+1=2(2a^2-1)+1

so this is an odd number

F

(n-2)^2=(2a+1-2)^2=(2a-1)^2=4a^2-4a+1 = 2(2a^2-2a)+1

this is an odd number

hope this helps

7 0
3 years ago
Pls look at pic! if u help i’ll give brainliest!!
TiliK225 [7]

Step-by-step explanation:

This is a right triangle with two congruent angles. so this is a isoceles right triangle or called a

45-45-90 triangle. This means that the legs are equal to each other so

3(x + 2)  = 24

3x + 6 = 24

3x = 18

x = 6

4 0
3 years ago
HELPP IAM BEING TIMED AND PLEASE EXPLAIN HOW YOU GOT THE ANSWER
Aleks04 [339]

Answer:

A

Step-by-step explanation:it would look like this 4(0.45+x)

you would distribute and solve for X

4 0
2 years ago
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