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Lyrx [107]
3 years ago
12

Help please in algebra ​

Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0

Answer:

Step-by-step explanation:

The answer is 50 I got it right

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How can you check to see if you have correctly factored an expression?
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Expand the factored expression (multiply all the terms back together), and see if it matches up with the original expression.
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Look at this triangle.<br> B<br> 8 cm<br> A А<br> 22 cm<br> С<br> Work out length AB.
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Please help me I don’t understand!!!
horrorfan [7]

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Step-by-step explanation:

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2 years ago
What is the discriminat of x^2+11x+121=x+96
Andreyy89
2+11x+121=x+96 is rearranged as: x^2+11x+121-x-96. => x^2 +10x +25, which is like ax^2+bx+c. So D = b^2-4ac = (10^2-4*1*25) = 0. So the discriminant of the given equation is 0.
5 0
3 years ago
Read 2 more answers
Which ordered pair is the solution to the system of equations below when
erma4kov [3.2K]

Answer:

(7, -3)

Step-by-step explanation:

9x - 3y = 54

9x +1 ly = 12

Subtract both expresion

-3y - 11y = 54 - 12

-14y = 42

y = 42/-14

y = -3

Substitute y = -3 into 1;

From 1, 9x - 3y = 54

9x - 3(-3) = 54

9x - 9 = 54

9x = 54 + 9

9x = 63

x = 63/9

x = 7

Hence the solution to the system of equation is (7, -3)

5 0
2 years ago
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