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neonofarm [45]
3 years ago
13

Which property justifies this statement?

Mathematics
2 answers:
dalvyx [7]3 years ago
8 0
D. <span>Transitive Property of Equality</span>
marissa [1.9K]3 years ago
7 0

Answer:

option D

Transitive property of equality

Explanation:

Transitive property of equality justifies the statement:

x=y+2 , y+2=8 then;  x= 8

Transitive property of equality states that if we have two things that are equal to each other and the second thing is equal to a third thing then, the first thing is also equal to the third thing.

In mathematical terms: if a=b and b=c then a=c.

As per the given statement:

a = x , b= y+2 and c= 8

then,

a=b i.e, x=y+2 and

b=c i.e, y+2 =8 then

by using transitive property of equality, we get;

a=c i.e, x=8



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1. Indicate the number of significant figures in each of the following quantities:
shutvik [7]

Answer:

(a) 3

(b) 4

(c) 3

Step-by-step explanation:

To find the number of significant figure, ignore all zeros on the left and count the remaing digits.

(a) ignore 0.0, so 590 is 3 s. f.

(b) no zeros to the left, so 4 s. f.

(c) ignore 0.00, so 122 is 3 s. f.

6 0
3 years ago
For what value of p will the pair of linear equations have infinitely many solutions (p-3)x + 3y = p , px+ py = 12
sleet_krkn [62]

Answer: p = 6


Step-by-step explanation:

HI !


 px + 3y - ( p-3)=0


a₁ = p , b₁ = 3 , c₁ = - (p-3)


=====================


12x + py - p=0


a₂ = 12  , b₂ = p , c₂ = -p


since , the equations have infinite solutions , 


a₁/a₂ = b₁/b₂ = c₁/c₂


p/12 = 3/p =  p-3/p



--------------------------------------


p/12 = 3/p


cross multiply ,


p² = 36


p = √36

 p = 6


for the value of p = 6 , the equations will have infinitely many solutions





5 0
3 years ago
<img src="https://tex.z-dn.net/?f=4x%20-%20%20%7Bx%7D%5E%7B3%7D%20" id="TexFormula1" title="4x - {x}^{3} " alt="4x - {x}^{3} "
nydimaria [60]
X(2+x)(2-x) I think that’s correct
3 0
3 years ago
Read 2 more answers
What is the opposite of negative seven? step by step explanation please.
OLEGan [10]

Answer:

7

Step-by-step explanation:

the opposite of -7 would be +7 due to adding being the opposite of negative. this would go both ways

4 0
3 years ago
12x+3=15x<br><br> show how u got the answer
elixir [45]

Answer:

x = 1

Step-by-step explanation:

Given

12x + 3 = 15x ( subtract 12x from both sides )

3 = 3x ( divide both sides by 3 )

1 = x

7 0
2 years ago
Read 2 more answers
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