Answer my math question I asked so many times I lost most of points by I gave 4 min to answer hurry

Mathematics

2 answers:

Evgesh-ka [11]3 years ago

7 0

The question is cropped so I can’t see what you’re asking

alukav5142 [94]3 years ago

3 0

Answer:

1 the case is xy 12 2. is h= 4x=8

Step-by-step explanation:

i dont know im just 11 in middle school!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Need help for geometry question

pickupchik [31]

Answer:

Step-by-step explanation:

sin^-1 (21/67) = 18.27 degrees

√(67)^2 - (21)^2 = 63.62

7 0

3 years ago

4/5x = -16

Sveta_85 [38]

<h2>Hello!</h2>

The answers are:

1 $x=-20$

2 $x=-9$

3 $x=-5$

4 $r=-2$

5 $x=-4.5$

To know the solution of the problems, we need to isolate each variable.

Remember that:

- If we have an equality: if the number is subtracting (negative sign), and if you need to move it to the other side of the equality, its sign changes to positive.

- If we have an equality: if the number is adding (positive sign), and if you need to move it to the other side of the equality, its sign changes to negative.

- If we have an equality: if the number is part of a product , and if you need to move it to the other side of the equality, the same number will be dividing the factors of the side. On the opposite, if the number is dividing, it will be multiplying on the other side of the equality.

So,

1 - Solving for "x"

$\frac{4}{5}x=-16\\x=\frac{-16}{\frac{4}{5} }=-16*\frac{5}{4}=-20\\x=-20$