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Andru [333]
2 years ago
12

Plsss help due in 5 minutes

Mathematics
1 answer:
77julia77 [94]2 years ago
7 0

Answer:

2 sqrt41

Step-by-step explanation:

(12^2)+(sqrt20)= (3rd side)

144+20=164

sqrt 164=2sqrt41

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Question #19- Use the answer bank below to fill in missing parts of the proof.
serious [3.7K]

Answer:

∠MPQ ≅ ∠MPR: Reason; Corresponding parts of congruent triangles are congruent (CPCTC)

∠PQR ≅∠PRQ: Reason; CPCTC

Step-by-step explanation:

\overline{PQ}\cong \overline{PR}: Reason; Given

Draw \overline{PM} so that M is the midpoint of \overline{QR}: Reason; Two points determine a line

\overline{QM}\cong \overline{RM}: Reason; Definition of midpoint

\overline{PM}\cong \overline{PM}: Reason; Reflexive property

ΔPQM ≅ ΔPRM: Reason; Side Side Side (SSS) rule for triangle congruency

∠MPQ ≅ ∠MPR: Corresponding parts of congruent triangles are congruent CPCTC

∠PQR ≅∠PRQ: CPCTC

5 0
3 years ago
What is the range of a sine function?
vesna_86 [32]

Answer:

All real numbers between -1 and 1, including -1 and 1

Step-by-step explanation:

7 0
3 years ago
How do you solve 42+2x=5.50x
tangare [24]
U can’t that’s ur answer bc u can’t add if there’s an x
7 0
3 years ago
Read 2 more answers
PLS GIVE THE ANSWER!!!!!! ALSO ITS NOT A NUMBER IS IT C OR A
Natasha2012 [34]

Answer:

Where is the picture or questions?

Step-by-step explanation:

4 0
2 years ago
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X+ y + z = -3<br> 3y - Z = 4<br> 2x- y - 2z = -5
snow_lady [41]

Answer:

  • (-3, 1, -1)

Step-by-step explanation:

  • x + y + z = -3  --> (1)
  • 3y - z = 4   --> (2)
  • 2x - y - 2z = -5 --> (3)

<u>Add up (1) and (2)</u>

  • x + 3y + y + z - z = -3 + 4 ⇒ x + 4y = 1  --> (4)

<u>Double (2) and subtract from (3)</u>

  • 2x - y - 2z - 2(3y - z) = -5 - 2(4) ⇒ 2x - y - 2z - 6y + 2z = -5 - 8
  • 2x - 7y = -13 --> (5)

<u>Double (4) and subtract (5)</u>

  • 2(x + 4y) - 2x + 7y = 2 + 13 ⇒ 2x + 8y - 2x + 7y = 15 ⇒ 15y = 15 ⇒ y = 1

<u>Finding x</u>

  • x + 4(1) = 1 ⇒ x = 1 - 4  ⇒ x = -3

<u>Finding z</u>

  • -3 + 1 + z = -3 ⇒ z = -1

<u>So the answer is: </u>

  • (-3, 1, -1)

4 0
2 years ago
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