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Naily [24]
3 years ago
14

Proof triangles

Mathematics
1 answer:
Klio2033 [76]3 years ago
6 0
No, two sides the same is not enough.
You need more proof.

Side, angle, side. (SAS).
AD = DC
Angle ADB = Angle CDB
BD = BD

By the SAS property, the two triangles are the same.

I think this is one way to prove it...

Or, similarly...use ASA, (Angle, side, angle).

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The system of equation y=3/4 and y=-x+3 According to the graph, what is the solution to this system of equations?
djverab [1.8K]

Answer:

(2.25 , 0.75)

Step-by-step explanation:

solution is where the graphs intersect each other

3/4 = - x + 3

-x = 3/4 -3 = -2 1/4

x =2 1/4

4 0
3 years ago
Plsss hellpppp 14 and 15 plsssssss
Lesechka [4]

Answer:

14). 2nd quadrant

15). 1st quadrant

Step-by-step explanation:

14).Coordinates of a point → J(-8, -12)

    Coordinates of the new point J' after reflection of x-axis will follow the rule,

    (x, y) → (x, -y)

    Coordinates of J' → (-8, 12)

    Therefore, point J' will lie in 2nd quadrant.

15). Coordinates of a point → W(-6, 7)

    Rule for the rotation by 90°clockwise about the origin,

    (x, y) → (y, -x)

    Coordinates of point W → (-6, 7)

    Following this rule,

    W(-6, 7) → W'(7, 6)

    Therefore, point W' will lie in the first quadrant.

7 0
3 years ago
Solve for u.<br> 36 – 9u = 27
strojnjashka [21]

Answer:

u = 1

Step-by-step explanation:

First, we can use inverse operations to help.

27 + 9u = 36

Next, we can start replacing u with numbers to find which number fits in u.

27 + 9(1) = 36

27 + 9(2) ≠ 36

27 + 9(3) ≠ 36

Now, we know that u = 1

8 0
3 years ago
i need help!!! write an equation in point-slope form of the line through point j(4, –4) with slope 4. a. y 4=4(x 4) b. y 4=4(x-4
Sergeeva-Olga [200]
Required equation is y - y1 = m(x - x1); where m = 4 and (x1, y1) = (4, -4)
y - (-4) = 4(x - 4)
y + 4 = 4(x - 4)
7 0
3 years ago
Read 2 more answers
What is 0.6144 divided by 1.6
sattari [20]
The answer is 0.6144÷1.6 =0.384
hope i help solving your question.

5 0
3 years ago
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