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alukav5142 [94]
3 years ago
15

Please help me with these 3 questions!​

Mathematics
1 answer:
juin [17]3 years ago
8 0

Answer:

1) -4x-6x+8x=2-6

-2x=-4

x=-2

2)3x-4x=12-15

-1x=-3

x=3

3) 12.5x+10.25=680-410

22.75x=270

x=11.86

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Which congruence theorems can be used to prove ΔABR ≅ ΔACR? Select three options.
sergejj [24]

Answer:

1. HL

2. SAS

3. SSS

Step-by-step explanation:

Triangles ABR and ACR share side AR (hypotenuse of two right triiangles).

Angles ABR and ACR are right angles.

Sides AB and AC are congruent.

Sides BR and CR are congruent.

1. You can use HL theorem, because two triangles have congruent pair of legs and congruent hypotenuses.

2. You can use SAS theorem, because two triangles have two pairs of congruent legs and a pair of included right angles between these legs.

3. You can use SSS theorem, because two triangles have two pairs of congruent legs and  congruent hypotenuses.

4 0
3 years ago
Read 2 more answers
Solve the equation for x. <br><br> 2(5x + 3) = 26
Aleksandr [31]

Answer: x=2

Step-by-step explanation:

2(5x+3)=26

Distribute the 2

10x+6=26

Subtract 6 from both sides

10x=20

Divide both sides by 10

x=2

5 0
3 years ago
What the slope of the graph is
STatiana [176]

Answer:

the slope is rise over run in a graph

Step-by-step explanation:

6 0
3 years ago
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Please help! question is in the pic
steposvetlana [31]

Answer: 2 + 1 = 3      2 x 1 =2

Step-by-step explanation: + 7 = 7

5 0
3 years ago
I've tried solving this but I'm stuck -8=2/x
USPshnik [31]

Answer:

-0.25

Step-by-step explanation:

-8= 2/x

multiply both sides by x -> -8x =2

divide both sides by -8 -> x=2/-8

Ans= -1/4 = -0.25

5 0
3 years ago
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