Answer:
h = -47
Step-by-step explanation:
- Add 21 to each side, so it now looks like this: -6h = 282
- Divide each side by -6 to cancel out the -6 next to h. It should now look like this: h = -47
I hope this helps!
Step-by-step explanation:
it will be 14 times 2 which will be 28 length and 74 plus 74 which will be 148 for the both side wide.
Answer:
Step-by-step explanation:
<u>Perimeter is:</u>
- P = 40 cm
- and
- P = 2x - 4 + 5x - 13 + x + 9 = 8x - 8
<u>Comparing the value:</u>
- 8x - 8 = 40
- 8x = 48
- x = 8 cm
<u>Are formula:</u>
<u>Replacing values:</u>
- A = 1/2(x + 9)(2x - 4)
- A = 1/2(8 + 9)(2*8 - 4) = 1/2*17*12 = 102 cm²