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Natalija [7]
3 years ago
9

Factorisex2 + 2x - 3​

Mathematics
1 answer:
Nitella [24]3 years ago
8 0

Answer:

( x − 1 ) ( x +3 )

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I need to know how to solve for x in the triangle?
timama [110]
Used proportions and pythagorean method to solve for x.

6 0
3 years ago
The perimeter of a triangle with two equal sides is 50 cm. If its base were lengthened by 3 cm and each leg were shortened by 4
Nataly [62]

Answer:

Base of the original triangle is 12 cm.

Step-by-step explanation:

Let base of triangle be x  

two equal legs  of triangles by y

therefore perimeter of triangle

                       x+y+y = 50 or x+2y =50

according to the question

 if base is x+3 and leg is y-4

then both are equal

   that is x+3 = y-4

            y-x = 7 or y =x+7

   x+2y =50

   x+2(x+7) = 50

    x+2x +14 =50

     3x +14 =50

     3x = 50 -14

      3x = 36

      x = 12

therefore base of the original  triangle is 12 cm                    

6 0
3 years ago
The average of a set of 18 consecutive integers is 22.5.what is the smallest set in the integer
Solnce55 [7]

Answer:

(y+17)÷18=22.5

y+17=22.5×18

y+17=405

y=405-17

y=388

5 0
1 year ago
EXPLAIN
zvonat [6]

Answer:

50,000? This is my answer sorry if wrong

Step-by-step explanation:

4 0
2 years ago
Which term describes the slope of the line below?
saul85 [17]

Answer:

negative

Step-by-step explanation:

looking at the slope of the straight line, a positive slope will begin on the 1st quadrant and end at the 3rd quadrant

meaning if the slope is negative, it will begin on the 2nd quadrant and end on the 4th quadrant

5 0
2 years ago
Read 2 more answers
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