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Viktor [21]
3 years ago
13

What value of x will make the given triangles congruent?

Mathematics
1 answer:
Molodets [167]3 years ago
6 0
Because you're trying to make them congruent, equal the two expressions to each other. 

So, for #10 you would equal them so it would look like this. 
2x+2=5x-19

Then you would just go ahead and simplify

2x+2=5x-19
-2x     -2x
---------------
2= 3x -19
+19    +19
---------------
21=3x
---  ----
3     3

x=7

This means that x should be 7. You can check this just by plugging it in

2x+2
2(7)+2 = 16

5x-19
5(7)-19= 16

Same with #11.

x+8=3x-14
-x     -x
--------------
8=2x-14
+14   +14
--------------
22=2x
---  ----
2     2

x=11

Check. 

x+8
11+8= 19

3x-14
3(11) - 14 = 19
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In a triangle, the measure of the first angle is twice the measure of the second angle. The measure of third angle os 88 degrees
Volgvan

Answer:

Answers: 46, 23, and 111

Step-by-step explanation:

To answer, we need to know the angles. Therefore, give each angle a name. Angle 1 will be x, 2 will be y, 3 will be z. So, using this system of equations:

x=2y

z=y+88

x+y+z=180

Substituting, z = 1/2(x)+88, now plug z into the third equation:

x+1/2(x)+1/2(x)+88=180

this simplifies to 2x+88=180

subtracting 88 from both sides leaves 2x=92

x=46

plug this in to the first equation: 46 = 2y, so y = 23

plug this into the third one leaves z = 111

Hope this helps!

3 0
3 years ago
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Pepsi [2]
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Use the formula v=5to the third power where v is the volume and s is the edge length of the cube to solve this problem what is t
elena-s [515]
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Write a sentence about anything you want using the ratio 4: 2. (Hint Start with the words "For every")
Nina [5.8K]

Answer:

For every four cookies, there are two glasses of milk.

OR

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Step-by-step explanation:

Anything works really, just make sure it make sense.

<u>Hope this helps :-)</u>

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andre [41]

Answer:

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Step-by-step explanation:

I can't really show a graph but I will try to explain

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( That was a Terrible explanation but the answer is right lol)

7 0
3 years ago
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