3 years ago

Plz help with my math!!!

1 answer:

7 0

Set up a proportion with the similar sides. Then you should find what KB is. Sorry I couldnt answer directly. Im actually doing math right now

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What s the Lcm of 4 and 9

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3 years ago

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Easy question.<br><br> Solve the inequality -5x<40

laiz [17]

$\huge\text{Hey there!}$

$\mathsf{-5x < 40}$

$\large\text{DIVIDE -5 to BOTH SIDES}$

$\mathsf{\dfrac{-5x}{-5}$

$\rm{CANCEL\ out: \dfrac{-5}{-5} \ because\ that \ gives\ you\ 1}$

$\rm{KEEP: \dfrac{40}{-5}\ because \ that \ gives \ you \ what \ you \ are\ comparing}\\\\\rm{to \ the \ x-value}$

$\mathsf{\dfrac{40}{-5}=\boxed{\bf -8}}$

$\mathsf{x > -8}$

$\boxed{\boxed{\large\textsf{Answer: \large \bf x }\bf > \large\textsf{\bf -8}}}\huge\checkmark$

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$\large\text{Good luck on your assignment and enjoy your day!}$

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2 years ago

Value of 3x^2 +4y^2 if x=2, y=1, and z= -3

Dennis_Churaev [7]

$3x^2+4y^2\\\\\text{Put the values of x=2, y=1 and z=-3 to the expression:}\\\\3(2^2)+4(1^2)=3(4)+4(1)=12+4=16$

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2 years ago

-2/3x + 2.8 = -8.2 what is x

JulsSmile [24]

-2/3x + 2.8 = -8.2 what is x
Add 2.8 on both side of the equation
-2/3x=-11
Divide both side by -2/3
x=33/2

Check: -2/3(33/2)+ 2.8 = -8.2
-11+2.8=-8.2
-8.2=-8.2

Answer is x=33/2

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3 years ago