I need help with this question ?

Answers

Answer 1

Answer:

tan x = 30/20 where x is the angle of depression

x = 56 degrees

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Solve the equation below for x
9(x - 5) = 4x - 5

Answers

$9(x-5)=4x-5\n\n9\cdot x+9\cdot(-5)=4x-5\n\n9x-45=4x-5\ \ \ \ /+45\n\n9x-45+45=4x-5+45\n\n9x=4x+40\ \ \ \ /-4x\n\n9x-4x=4x-4x+40\n\n5x=40\ \ \ \ /:5\n\n5x:5=40:5\n\nx=8$

Factor the. expression x^2+ 18x +80

Answers

Answer:

$(x + 10)(x+8)\n$

Step-by-step explanation:

Step 1: Factor

$x^2+10x+8x+80$

$(x + 10)(x+8)\n$

Answer: $(x + 10)(x+8)\n$

Step-by-step explanation:

x²+18x+80= 0

x²+10x+8x+80=0

x(x+10) +8(x+10)=0

(x+10)(x+8)=0

Chloe made a small pan of ziti and a smallpan of lasagna. She cut the ziti into 8 equal parts and
the lasagna into 9 equal parts. Her family ate 2_
3 of the
lasagna. If her family ate more lasagna than ziti, what
fraction of the ziti could have been eaten?