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snow_tiger [21]
2 years ago
14

I need these answers please, I have a D this'll bring up my grade alot.

Mathematics
1 answer:
Nana76 [90]2 years ago
6 0

Answer: a=-1, -3

h=-3, 0

k=8, -4

Step-by-step explanation:

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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
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On a coordinate plane, an absolute value graph has a vertex at (10, 6).
lorasvet [3.4K]

Answer: (10, ∞)

Step-by-step explanation:

See the graph in the attached image.

4 0
1 year ago
1 n +5 - 1<br> n2 + n n2 +n<br> n-6<br> n +1
chubhunter [2.5K]
1). 1n+5-1
N=26
2). n2+n n2+n
n3+n2+n
6 0
3 years ago
Why is the relationship between the u.s and foreign nations important?
Leni [432]

Foreign relations are important because they are meant to prevent misunderstandings and future conflicts between nations. They strengthen the economy and the common goals between countries, becoming the root of great binding agreements. Foreign relations plays a key part in order to achieve peace one day.

3 0
3 years ago
Will mark brainlist if right
FinnZ [79.3K]

Answer:

x = 4.2

Step-by-step explanation:

tan 30° = x/7

tan 30° = 0.6

0.6 = x/7

7*0.6 = x

4.2 = x

5 0
2 years ago
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