xpineappleslusheex
xpineappleslusheex xpineappleslusheex
  • 22-09-2019
  • Mathematics
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20 POINTS ANSWER ASAP BRAINLIEST GIVEN answer question 2 a and b i and ii. The diagram shows a six sided shape. All the measurements are in cm. The area of the shape is 25cm^2.

20 POINTS ANSWER ASAP BRAINLIEST GIVEN answer question 2 a and b i and ii The diagram shows a six sided shape All the measurements are in cm The area of the sha class=
20 POINTS ANSWER ASAP BRAINLIEST GIVEN answer question 2 a and b i and ii The diagram shows a six sided shape All the measurements are in cm The area of the sha class=

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pips2367
pips2367 pips2367
  • 22-09-2019

Step-by-step explanation:

a)

(2x+5)(3x-2)+2(3x-2)

= 6x^2 -4x + 15x + 6x -4

= 6x^2 + 17 -4 = 25

therefore 6x^2 +17 -39 = 0

b) i)

using the quadratic formula:

x=3/2 or x=-13/3

ii)

2x+5

= 2(3/2) + 5 = 8

the longest side is 8 cm long

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