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MrRissso [65]
3 years ago
13

What is the perimeter of quadrilateral DOBC

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0
No one see the quadrilateral
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Raise the sum of b and a to the 10th power the topic is writing an expression. PLEASE HELP !
otez555 [7]

Answer:

(b + a)^{10}

5 0
3 years ago
URGENT WILL GET 20 and Brainlest
My name is Ann [436]

<em><u>The polynomial that represents the difference between the cost of distributing by train and the cost of distributing by truck is:</u></em>

f(x) =  -0.04x^2 + 18x + 75

<em><u>Solution:</u></em>

<em><u>The cost of distributing by train can be modeled as:</u></em>

-0.07x^2 + 40x - 105

<em><u>The cost of distributing by truck can be modeled as:</u></em>

-0.03x^2 + 22x - 180

where x is the number of tons of product distributed

To find: Difference between the cost of distributing by train and the cost of distributing by truck

Difference = cost of distributing by train - cost of distributing by truck

Let f(x) = difference in cost between trains & trucks

f(x) = (-0.07x^2+40x-105) - (-0.03x^2 +22x - 180)

f(x) = -0.07x^2 + 40x -105 + 0.03x^2 -22x + 180

Combine\ the\ like\ terms\\\\f(x) = -0.07x^2 +0.03x^2 + 40x - 22x +180-105\\\\Add\ the\ like\ terms\\\\f(x) =  -0.04x^2 + 18x + 75

Thus polynomial that represents the difference between the cost of distributing by train and the cost of distributing by truck is found

8 0
3 years ago
Simplify (3x2 − 2) + (5x2 + 5x − 1)
topjm [15]
5x+13 is the correct answer

4 0
3 years ago
Read 2 more answers
I will give u brainliest plz I need help ),:
Whitepunk [10]

Answer:

(2,0)

Step-by-step explanation:

y=24x-48

8 0
3 years ago
Read 2 more answers
Lucia finds that (3x^2+3x+5) + (7x^2-9x+8) = 10x^2-12x+13. What error did Lucia make?
son4ous [18]
The answer 
to do the calculus, the method is 
taking off the paranthesis
adding the term with a similar degree
summing constant terms

 (3x^2+3x+5) + (7x^2-9x+8) = 

  = 3x^2+3x+5 +  7x^2-9x+8
  
  = 3x^2 +  7x^2  + 3x+5 - 9x+8
 = 10x²  + 3x - 9x +5 +8 
 = 10x² - 6x + 13
the answer is 
(3x^2+3x+5) + (7x^2-9x+8) =10x² - 6x + 13

the error that Lucia did make  3x - 9x = -12x, instead of 3x - 9x = -6x
4 0
3 years ago
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