3 years ago

What points are on the graph -3x+6y+5=-7

Mathematics

1 answer:

Simora [160]3 years ago

8 0

The slope 1/2 y -intercept -2

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On a piece of paper, use a protractor and a ruler to construct triangle ABCABC with ABAB = 8 cm, m∠Am∠A = 90°90° , and m∠Bm∠B =

Lyrx [107]

∠B = 45°
∠A = 90°
so
∠C = 45° = ∠B
and
AB = AC = 8
answer
AC = 8 cm

6 0

3 years ago

What is the answer for part b

trasher [3.6K]

Answer:

(-3,-10)

Step-by-step explanation:

Given part a, you seem to know the midpoint formula. We can easily edit that to figure out what an endpoint is. Say that a variable "a" represents the x coordinate of D, and b the y coordinate. As the x coordinate of M is 0.5, and the x coordinate of C is 2, we can use the midpoint formula to say that $\frac{a+2}{2} =-0.5$ . Multiplying both side by 2, we get that a+2=-1, and subtracting both sides by 2, a=-3. Similarly, $\frac{b+7}{2} =-1.5$ , b+7=-3, and b=-10, making our answer (-3, -10). Let me know if you have any questions.