3 years ago

PLEASE HELP!!

1 answer:

3 0

Answer:

$\leadsto make \: y \: subject \\ - 3y + 2x = 5y - 8 \\ - 3y - 5y = - 2x - 8 \\ y( - 3 - 5) = - 2x - 8 \\ - 8y = - 2x - 8$

divide through out by -8 :

${ \boxed{ \boxed{y = \frac{1}{4} x + 1}}}$

Answer is b

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The diagonals of a rhombus are 16 cm and 12cm. find its length

igomit [66]

Answer:

l=10 cm

Step-by-step explanation:

In a rhombus, the diagonals are cut into identical lines at the intersection.

This way, I found the measures of the halves of the diagonals in a right triangle, knowing that the diagonals of the rhombus are perpendicular on each other.

I calculated that AO = AC/2= 8, and that BO=BD/2= 6, and then I applied pytagora's theorem in a quarter of the rhombus, which is the right triangle AOB, to find the length of a side