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alekssr [168]
3 years ago
10

Composite functions (Question in image)

Mathematics
1 answer:
Annette [7]3 years ago
7 0

f(0) =  - 6 + 4 =  - 2 \\ g( - 2) = 4
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Segment DB is a median of ΔADC. Which statement best describes the relationship between triangles ABD and CBD?
slavikrds [6]

Answer:

Triangles ABD and CBD are congruent by the SSS Congruence Postulate

⇒ Answer A is the best answer

Step-by-step explanation:

* Lets revise the cases of congruence  

- SSS  ⇒ 3 sides in the 1st Δ ≅ 3 sides in the 2nd Δ  

- SAS ⇒ 2 sides and including angle in the 1st Δ ≅ 2 sides and  

 including angle in the 2nd Δ  

- ASA ⇒ 2 angles and the side whose joining them in the 1st Δ  

 ≅ 2 angles and the side whose joining them in the 2nd Δ  

- AAS ⇒ 2 angles and one side in the first triangle ≅ 2 angles  

 and one side in the 2ndΔ

- HL ⇒ hypotenuse leg of the first right angle triangle ≅ hypotenuse  

 leg of the 2nd right angle Δ

* Lets solve the problem

- In ΔADC

∵ DA = DC

∵ DB is a median

- The median of a triangle is a segment drawn from a vertex to the

 mid-point of the opposite side of this vertex

∴ B is the mid-point of side AC

∴ AB = BC

- In the two triangles ABD and CBD

∵ AD = CD ⇒ given

∵ AB = CB ⇒ proved

∵ BD = BD ⇒ common side in the two triangles

∴ The two triangles are congruent by SSS

* Triangles ABD and CBD are congruent by the SSS Congruence

  Postulate.

6 0
3 years ago
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I need help with 5 and 6. May anyone turn them into words? ILL GIVE BRAINLIEST FOR 2 RESPONSES
butalik [34]

Step-by-step explanation:

1/2 (c +1)>5 = c≥9

27-2b<-6=b≥332

5 0
2 years ago
The diameter of a round patio is 16 feet.Which expression can be used to find the patio’s circumference in feet?
Delicious77 [7]

Answer: 16*pi

Step-by-step explanation: The equation for diameter is pi*diameter. Since you already know the diameter, just plug it in.

8 0
3 years ago
Which is another way to write the expression t • (14 - 5)
zaharov [31]
C is the answer by using distributive property

8 0
3 years ago
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Simplify the expression! :D :P
mario62 [17]
54-30/3=54-10=44
The blanks are 30, 10 and 44
6 0
3 years ago
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