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Novosadov [1.4K]
3 years ago
15

Find two positive consecutive integers whose product is 132.

Mathematics
1 answer:
iren2701 [21]3 years ago
7 0
If x is the first integer, then x+1 is the second. x(x+1)=132 or x^2+x-132=0. This factors as (x-11)(x+12)=0. Thus either x=11 or x=-12 
<span>So either 11 and 12 or -12 and -11 will do.</span>
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In an average of 65 minutes if a train stops at three stations for two minutes each and the distance is 115 miles between stops
larisa86 [58]

Answer:

117mph

Step-by-step explanation:

Given that

Total number of stations= 3

Total average time of journey of train = 65

total stop time at three stations = 3×2 =6 min

Total distance between stops = 115 miles

as we can see

Total time train was travelling = 65- 6 =59 min

so, average speed of train can be calculated as:

Average Speed = \frac{Distance -travelled-between -stations}{Total-time-the-train-travelled}

Average Speed = \frac{115}{59} =1.95 miles/minute

To convert this speed into miles per hour (mph) multiply the above speed by 60

Average speed = 60×1.95 =117 mph

So the average speed of train is 117mph.


3 0
3 years ago
Polynomials I really need help someone please help me please
7nadin3 [17]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Can you answer this one for my plz I need before Monday ty
ira [324]
Since you need the vertex, and knowing the vertex will tell you the axis of symmetry, it is convenient to put the equation in vertex form.
.. -x^2 -4x +1
.. = -(x^2 +4x) +1
.. = -(x^2 +4x +(4/2)^2) +1 -(-(4/2)^2) . . . . complete the square
.. = -(x +2)^2 +5

The vertex is (-2, 5).
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7 0
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Write the equation of the circle with center (−3, −2) and (4, 5) a point on the circle.
SSSSS [86.1K]
Your answer should be B
5 0
3 years ago
Read 2 more answers
An experiment is designed to determine the launch angle that will give a projectile the greatest range (make it go the longest d
RideAnS [48]
Test each

if angle is increased, rock will go further
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2nd one
changing angle change the distance
we see that is true
5 0
3 years ago
Read 2 more answers
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