Answer:
The solution of the system can be given as (5,-8).
Step-by-step explanation:
Given system of equations:
To solve the given system of equations:
Solution:
We will use substitution to solve the given system.
We will substitute the 
values in terms of 
from the equation into the other equation to solve for
Substituting into .
We have:
<em>Using distribution.</em>
<em>Combining like terms.</em>
Adding 6 both sides.
Dividing both sides by 3.
∴ 
<em>Plugging in into .</em>
We have,
∴ 
The solution of the system can be given as (5,-8).
Use Pythagorean theorem.
15^2+20^2=c^2
225+400=c^2
√655=c
c=25
Answer: D.) 25 m
1+4x because the product of 4 and the number x is 4x and u just add that to one
"3 less than a number t is at most 7"
"3 less than a number t" -->
"is at most" -->
"7" -->
put this together and we get:
Answer:
Option C is correct
Step-by-step explanation:
First box volume is - 12
Second box volume is = 105
Add them and get 117
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