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kiruha [24]
2 years ago
15

Match equivalent expressions. Numbers and letters go together

Mathematics
1 answer:
dedylja [7]2 years ago
3 0

Answer:

(a) (x+9) (x+2)

(b)(x-2) (x-3)

(c) (x+2) (x+3)

(f) (x-9) (x-2)

(2) x2+11x+18

(3) x2-7x - 18

(6) x2+5x+6

Step-by-step explanation:

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3 years ago
Each side of a square rug is 3ft 2in long. Peg has 20ft of braid to use as trim on the four sides of the rug. How much braid wil
stepan [7]

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7ft 8in is left over

Step-by-step explanation:

5 0
3 years ago
The points (3,9) and (-3,-9) are plotted on the coordinate plane using the equation y= a•x. What is the value of a?
8_murik_8 [283]
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5 0
3 years ago
Helene wrote a report. It took her 4 hours to write 24 pages.
sammy [17]

Answer:

C

Step-by-step explanation:

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4 0
4 years ago
How do I factor out a constant before factoring out a quadratic? <br>Factor completely: 3w^2-3w-90
pantera1 [17]
3w^2-3w-90 =0 \ \ \:3 \\ \\w^2- w-30 =0 \\ \\a=1 , \ b= -1 , c= -30 \\ \\\Delta =b^2-4ac = (-1)^2 -4\cdot1\cdot (-30) =1+120=121 \\ \\w_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{1-\sqrt{121}}{2 }=\frac{ 1-11}{2}=\frac{-10}{2}=-5

w_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{1+\sqrt{121}}{2 }=\frac{ 1+11}{2}=\frac{12}{2}=6 \\ \\ Answer:\\ \\ w^2- w-30 =(x+5)(x-6)
 

3 0
3 years ago
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