3 years ago

Is this right? Please help me

1 answer:

3 0

A. 30% is the correct. .30 is 30%

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olchik [2.2K]

$2x^2-2x-12=0\\\\2x^2+4x-6x-12=0\\\\2x(x+2)-6(x+2)=0\\\\(x+2)(2x-6)=0\iff x+2=0\ \vee\ 2x-6=0\\\\x=-2\ \vee\ x=3$

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3 years ago

Lubov Fominskaja [6]

Answer:

i dont know

Step-by-step explanation:

5 0

3 years ago

Alborosie

Answer:

d^2 = <y2-y1>^2 + <x2 -x1) ^2

p =4

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2 years ago

Lady_Fox [76]

Answer:

Step-by-step explanation:

Let t represent the number of hours of lessons Audrey can take. Then 15t will be the cost of the lessons. Her total cost will be ...

15t +45 = 120 . . . an equation

15t = 75

t = 5

Audrey can afford 5 hours of lessons.

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3 years ago

AlladinOne [14]

Add 3 to 72... so 3 plus 72 is 75

X=75

8 0

3 years ago