Rewrite in simplest terms:(10x+3y)−(2x−4y)

Mathematics

1 answer:

inessss [21]2 years ago

4 0

Answer:

8x + 4y

here's your solution

=> (10x + 3y) - (2x - 4y)

=>. now multiple - to (2x - 4y)

=> hence we get -2x + 4y

=> now put this in above

=> 10x +3y -2x + 4y

=> solve for common terms

=> 8x + 7y

hope it helps

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Please help! (85 points)

allochka39001 [22]

Recall that all three angles in a triangle equals 180.
Knowing this, we just have to add up all the angles and figure out what the value 'x' is.

(x-22 + x-17 + 3x+19) = 180
Simplify:
5x - 20 = 180
Add 20 to both sides:
5x = 200
Divide both sides by 5:
x = 40

Now that we found the value for x, we need to solve for angle A.
Simply input the value of 'x' into angle A's equation:
40 - 22 = 18

Angle A = 18 degrees

Good luck! If you need me to explain anything, just ask :))
-T.B.

8 0

2 years ago

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The point A(–1, 4) is translated five units right and three units down. Which rule describes the translation?

lozanna [386]

Answer: SECOND OPTION.

Step-by-step explanation:

Given the following point identified as "A":

$A(-1,4)$

You can identify that the x-coordinate of the point is:

$x=-1$

And its y-coordinate is:

$y=4$

According to the exercise, this point is translated five units right and three units down. This means that, in order to find the new coordinates, you need to add 5 to the original x-coordinate and subtract 3 from the original y-coordinate.

Therefore, you can conclude that the rule that best describe the translation of the point $A(-1,4)$ is the following:

$(x,y)$ → $(x+5,y-3)$