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choli [55]
3 years ago
13

Are the two equations b=A/3 and A=3b equivalent ? How do you know ?

Mathematics
2 answers:
Leya [2.2K]3 years ago
8 0

Answer:

Yes it is

Step-by-step explanation:

Because, If you multiply by 3 on both sides for the first equation, you will get 3b = a

Serhud [2]3 years ago
7 0
Yes because if you want Aa in first equation multiply both side by 3
b*3=(a/3)*3
A=3b
It’s equivalent with the second equation
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Which value is a solution of the equation 2-8x=-6 ? ( 1point )
OleMash [197]
<span>Here the given equation is : 2-8x= -6 By bring -6 on the Left Hand size and taking 8x on the Right Hand side, the equation become. 2+6= 8X 8= 8X X=8/8 X=1 Hence value of X is 1. Hence correct option is A.</span>
5 0
3 years ago
I don’t kno the answer help
PolarNik [594]

Answer:

Yes

Step-by-step explanation:

It is true because the equation would be 1 is less than or equal to 3-(-4)

4 0
3 years ago
Find the value of x and the length of each side ​
AlladinOne [14]

The 3 sides of the triangle are  PR =  8.4, OR =  5.4 and OP =  3.1

Step-by-step explanation:

Step 1 :

Given

PR = 3x - 0.6

OP = x +  0.1

OR = x + 2.4

Also the 2 sides OR and PR are said to be equal.

So we have OR = PR

=> 3x - 0.6 =  x + 2.4

=>  x = 2.4 + 0.6 => x = 3

Step 2 :

we have ,

PR = 3x - 0.6 = 3(3) - 0.6 = 8.4

OR =  x + 2.4 = 3 + 2.4 = 5.4

OP = x + 0.1 = 3 + 0.1 = 3.1

Step 3 :

Answer :

The 3 sides of the triangle are

PR =  8.4

OR =  5.4

OP =  3.1

8 0
3 years ago
PLSSS RNNN<br> -5 + x = 10<br> x = 5<br> x = 10<br> x = -15<br> x = 15
Tema [17]
X = 15

Add 5 to each side
10 + 5 = 15
3 0
3 years ago
Read 2 more answers
Even though the population standard deviation is unknown, an investigator uses z rather than the more appropriate t to test a hy
Marta_Voda [28]

Answer:

a) The level of significance is large because here z is not appropriate.

b) The true critical value is larger than z because the level of significance is large.

Step-by-step explanation:

a) Based on the question under consideration, the true level of significance is larger than .05 level of significance is large, the reason being that z is not appropriate in this case.

b) The true critical value is larger than that of the critical z, this is because the level of significance is large.

t* in P(T > t*) = 0.975 is more than z* = 1.96 in P(z> z*) =0.975

3 0
3 years ago
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