The equations should have been added up to equal 180 instead of being set to equal each other. The two are supplementary angles, which can be seen due the rule that a pair of interior angles on the same side of the transversal is supplementary. To fix this issue from the work that they did, they should subtract the 140 from 180, so the correct measure of DKH is actually 40 degrees.

Step-by-step explanation:

8 0

3 years ago

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Find the zeros of the function by factoring 3x^2+ 10x=8

Wittaler [7]

Answer:

$x=\frac{2}{3}, -4$

Step-by-step explanation:

hope this helps!

6 0

3 years ago

9 + 0 = 9 is an example of which property? A.Commutative property of addition B.Identity property of addition C.Multiplicative p

vivado [14]

C. Multiplicative property of Zero

4 0

3 years ago

ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing. Show your work or give an explaination.

scoray [572]

Answer: B. x is all real numbers.

Step-by-step explanation: The domain of a graph is how far the x value can go left or right. Because this is a horizontal line, the domain or x could be any value.

5 0

3 years ago

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Which of the following orderd pairs is a solution of 3x+2y=-197,-16,-7-6,-7-7,1​

Which of the following orderd pairs is a solution of 3x+2y=-197,-16,-7-6,-7-7,1