The answer is: Substitution property of equality.
The explanation is shown below:
1. To solve this problem you must apply the proccedure shown below:
2. When you clear the variable x from the first equation, and subtitute it into the second equation, you obtain:
<span>3x−2y=10
x=(10+2y)/3
4x−3y=14
</span>4[(10+2y)/]−3y=14
<span> y=-2
3. When you subsitute y=-2 into the first equation and clear the x, you have:
x=2
</span>
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The time relation equation will be ...
1) t = 64 (0.5)^r
since it can be proved , by placing values of r
thus as
1) r=0 ; t = 64
2) r=1 ; t = 32
3) r=3 ; t = 16
and so on...
Add the equations in order to solve for the first variable. PLug this value into the other equations in order to solve for the remaining variables.
The answer is:
(2, -3)
Answer: $2,446.08
Step-by-step explanation:
Lets convert the length and width into decimal form so it's easier to understand.
24 1/2= 24.5
12 4/5= 12.8
Now we must multiply to get the area. 24.5x12. 8= 313. 6 ft
Each square inch costs .65 so we must multiply .65 by 12 to see how much a foot costs. 12x0.65= 7.8
Now that we know how much each foot cost lets multiply 313.6 by 7.8. 313.6x 7.8= $2446.08
Answer:
A, C, C
Step-by-step explanation:
Idk about the last one, but the rest are right.
