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ololo11 [35]
3 years ago
9

Plz help me with these 2 questions and if you can explain how you got the answer.

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0
I think the answer for number 4 is a
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A truck is carrying 3 tons of cement and 150 pounds of bricks. How many pounds does the truck's load weigh in total?
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3 years ago
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Help me please and explain also, thanks
GaryK [48]
Everything is false besides 2
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2 years ago
(add. write your answer as a fraction, as a whole or as a mixed number)
Eduardwww [97]

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3 and 1/12

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6 0
3 years ago
Solve the equation for x, where x is a real number (5 points): <br> -2x^2 + 5x - 10 = 3
KatRina [158]
Subtract 3 from both sides so that the equation becomes -2x^2 + 5x - 13 = 0.
To find the solutions to this equation, we can apply the quadratic formula. This quadratic formula solves equations of the form ax^2 + bx + c = 0
                                      x = [ -b ± √(b^2 - 4ac) ] / (2a)
                                      x = [ -5 ± √((5)^2 - 4(-2)(-13)) ] / ( 2(-2) )
                                      x = [-5 ± √(25 - (104) ) ] / ( -4 )
                                      x = [-5 ± √(-79) ] / ( -4)
Since √-79 is nonreal, the answer to this question is that there are no real solutions.
3 0
3 years ago
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