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vlabodo [156]
3 years ago
12

Simplify: (x2+6x+8) + (-4x2+11x-9)

Mathematics
1 answer:
disa [49]3 years ago
8 0

Answer:

-3x^2+17x-1

Step-by-step explanation:

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A zookeeper weighed an African elephant to be 9x10^3 pounds and an African lion to be 4x10^2 pounds. How many times greater is t
maria [59]
Answer:  22.5 .  The weight of the elephant is "22.5 times greater" than                              the weight of the lion.
_________________________________________________________
Explanation:
_________________________________________________________

(weight of lion) * (x) = (eight of the elephant)  ;  Solve for "x" .
_____________________________________________________
   → Divide each side of the equation by "(weight of lion)" ;
  to isolate "x" on one side of the equation ; and to solve for "x" ;
_________________________________________________________
    
   → (weight of lion)*(x) / (weight of lion) = (weight of the elephant) /
                                                           (weight of lion) ;
________________________________________________________
     →  x  = (weight of the elephant) / (weight of lion) ;
__________________________________________________________
     →  Plug in our "given values" ; and solve for "x" ;
__________________________________________________________
     →  x = (<span>9*10</span>³) / (4*10²) =  (9*10⁽³⁻²⁾) / 4  =  (9*10¹) / 4  ;
__________________________________________________________  
     →  x =  90 /4 = 25/2  = 22.5 ; which is our answer.
__________________________________________________________
4 0
3 years ago
Can you help me with a rational expressions &amp; eplquations please
nasty-shy [4]
Yes I can help you with rational expressions and eplquations!
4 0
3 years ago
Plz help can anybody solve this only one question​
stiks02 [169]

Step-by-step explanation:

Angle:2x+30+3x=180

Angle:2x+b+2b=180( Being in straight line)

Angle:30+3x+a=180

5 0
3 years ago
The product of two numbers subtracted by 44, the result is 100. Find the numbers.​
melamori03 [73]

Answer: the numbers can be 16 and 9, 6 and 24 or other factors of 144

8 0
3 years ago
Which figure is a trapezoid?
mojhsa [17]

Answer:

none of those

Step-by-step explanation:

A trapezoid is a 4-sided shape with 1 parallel side

Could you pls choose this as brainliest???!!!

3 0
2 years ago
Read 2 more answers
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