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Trava [24]
3 years ago
13

I have no idea how to do this. Its substitution.

Mathematics
1 answer:
barxatty [35]3 years ago
7 0
Since y = x+5, we can substitute y for x+5, making the new equation
3x + x+5 =25. Now, you can solve traditionally. 4x = 20, x = 5, y = 10
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Which statement explains why ABC is congruent to A A'B'C' ?
Firdavs [7]

Answer:

The two given triangles ABC and A'B'C' are congruent by SSS or AA axiom of congruence.

Step-by-step explanation:

Rigid Transformation is a transformation which PRESERVES (keeps it SAME) the LENGTH and the ANGLES in an image and pre- image.

Here, as we can ΔABC goes under Rigid Transformation in to the ΔA'B'C'

⇒Sides AB, BC and AC correspond to the sides A'B',B'C' and A'C' respectively.

Also the ∠A, ∠B and∠C correspond to  ∠A', ∠B' and∠C' respectively.

Now, in  ΔABC and ΔA'B'C

AB  = A'B'

BC  =   B' C'

AC  = A'C'

⇒The two given triangles are congruent by SIDE SIDE SIDE property.

Also, ∠A  = ∠A'

∠B  =   ∠B'

⇒The two given triangles are congruent by ANGLE ANGLE property.

Hence the two given triangles ABC and A'B'C' are congruent by SSS or AA axiom of congruence.

6 0
3 years ago
look at pic 10 pts will mark brainilest hhhionnia
-BARSIC- [3]
30 because 18 and the plain goes into 12 which is 30
I think
7 0
2 years ago
Solve the equation <br><br>9y^3+8y=4y+18y^2
kari74 [83]
9y^3+8y=4y+18y^2
9y^3-18y^2+4y=0

*Divide the whole thing by y

9y^2-18y+4=0

*use quadratic formula to solve
3 0
3 years ago
Plz help this is due today AND NO LINKS OR GROSS PICTURES OR I REPORT
Zina [86]

Answer:

I think its A

Step-by-step explanation:

3 0
3 years ago
Lucy is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices
hram777 [196]

Answer: Any amount of milage more than 30

Step-by-step explanation: You can write an equation to compare the relationship between the costs that looks like:

102<75+0.9m

27=0.9m

m=30

4 0
2 years ago
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