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muminat
2 years ago
9

I need help on these two questions

Mathematics
1 answer:
Marina86 [1]2 years ago
4 0

Answer:

1. $60 2. $233.20

Step-by-step explanation:

That is the answer

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1.) Multiply 2ab(−a+2b+3).(1 point)
GarryVolchara [31]

Answer:

(x+3)(4x−2)  =  4x2+10x−6

(x+2)(x2−3x +4) = x3−x2−2x+8

Step-by-step explanation:

8 0
3 years ago
What is the solution of this equation -12x-7=53
umka21 [38]

Answer:

<em>x </em>= -5

Step-by-step explanation:

You have to work backwards.

53 + 7 = 60

60 ÷ 12 = 5

Add the negative »»» -5

8 0
2 years ago
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Solve 2x^2+16x+34=0?????
stiks02 [169]

Answer:

2(x^{2}+8x+17)

Step-by-step explanation:

Factor out 2 of the equation.

3 0
3 years ago
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Convert 11.42424242 … to a rational expression in the form of a over b, where b ≠ 0.
Pavlova-9 [17]

x=11.4242....

100x=1142.4242....

100x-x = 99x = 1131

x=1131/99 = 11 42/99 (unreduced) = 11 14/33 (reduced fraction)

7 0
3 years ago
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Please help asap.......
nadezda [96]

Answer:

Step-by-step explanation:

Number of red marbles=4

Number of blue marbles=3

P(B)=3/10

P(R)=4/10=2/5

Total number of marbles=10

3 0
3 years ago
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