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vlada-n [284]
3 years ago
8

Pedro solves the quadratic equation x^2+6x –14 using the quadratic formula. In which step did Pedro make an error?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
3 0

9514 1404 393

Answer:

  correct choice is marked

Step-by-step explanation:

The error is in step 2. The square root cannot be distributed to a sum.

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Name the property used to solve the problem. 7(4x+20)=28x+140 (7∗4x)+(7∗20) 28x+140
ANTONII [103]

Answer:

I think this is how u spell it

Step-by-step explanation:

Disturbtive

7 0
2 years ago
the age of three brothers are consecutive even integers. three times the age of the youngest brother exceeds the oldest brother'
kiruha [24]
16
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3 0
2 years ago
2x - 5y = 16<br> x - 2y = 5<br> elimination?
harina [27]

Answer:

Y = 6

X = 24

Step-by-step explanation:

2x -5y = 16

(x -2y =5)*2

_______________

2x -5y = 16

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_______________

(2x -5y = 16) - (2x - 4y = 10)

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y =6

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Replacing in equation 1:

2x - 5(6) = 16

so, 2x = 16 + 30

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x = 24

6 0
3 years ago
Give your answer as a whole number or as a mixed number in its simplest form.​
katrin2010 [14]

Answer:

5 3/7

Step-by-step explanation:

On this one all you basically have to do is 4+1 since they are both whole numbers, then attatch the fraction onto that.

4+1=5

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6 0
1 year ago
Y=7/8 is it parallel,perpendicular,<br> or neither
rosijanka [135]
Neither because it is a fraction
6 0
3 years ago
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