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liq [111]
3 years ago
11

If 2n - 7 = 5, what is the value of n? * A) 1 B) 6 C) -1 D) 12

Mathematics
1 answer:
Contact [7]3 years ago
8 0

The value of n is 6.

First, you must add 7 on both sides.

2n=12

Then, you must divide both sides by 2.

n=6

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The sum of three and five to the third power times five plus one
Vinil7 [7]

Answer:

2561

Step-by-step explanation:

sum of three and five: 3 + 5 = 8

To the third power: 8^3 = 512

Times five: 512 * 5 = 2560

Plus one: 2560 + 1 = 2561

So:

2561

3 0
3 years ago
What’s the preimeter to this?
kobusy [5.1K]

decimal form

119.571428571

fraction form

119571428571/1000000000

Have a nice day

hope this attachment relates to you

6 0
2 years ago
Help me to prove the given below. Thank you in advance
sleet_krkn [62]

Answer:

Construct MO, where O is the midpoint of CG. (As shown in the attached figure)

(1) LM = MG //given, CM is the median to the hypotenuse      

(2) CO = OG // construction    

(3) MO is a mid-segment   //(1), (2) , Definition of a mid-segment

(4) MO // LC //triangle mid-segment theorem    

(5) ∠MOG ≅ ∠LCO // corresponding angles in two parallel lines intersected by a transversal line (CG)

(6) m∠LCO=90°  //given, ΔLCG is a right triangle

(7) m∠MOG=90° //(5), (6), definition of congruent angles

(8) m∠MOC=180° – 90° = 90° // linear pair

(9) ∠MOG ≅ ∠MOC //(7),(8), definition of congruent angles

(10) MO=MO //common side, reflexive property of equality  

(11) ΔMCO ≅ ΔMGO  //(2), (9), (10) Side-Angle-Side postulate

(12) MC = MG // Corresponding sides in congruent triangles (CPCTC)      

(13) MG= ½LG // Given, CM is the median to the hypotenuse    

(15) MC = ½LG //(12) , (13), substitution  

8 0
3 years ago
PLEASE HELP!
hammer [34]

Answer:

  A = 16

Step-by-step explanation:

Taken together, the triangles form a square whose side length is 4. The area is ...

  A = s² = 4²

  A = 16

6 0
3 years ago
Read 2 more answers
Two accounts earn simple interest. The balance yy (in dollars) of Account A after xx years can be modeled by y=10x+500y=10x+500.
GrogVix [38]
1)
A has a greater principal

2) 
Principal of A is $500, the principal of B is $400, so A's principal is greater by $100

3)
Annual interest rate of A:
10/500 x 100
interest rate of A = 2%
The interest rate of B is higher.

4)
B's annual interest rate is 5% and A's annual interest rate is 2%, so B's is higher by 3%.
6 0
3 years ago
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