Answer:
1 Simplify 3/12 to 1/4
1/4 =1/4
2 Since both sides equal, there are infinitely many solutions.
Infinitely Many Solutions
Answer:36
Step-by-step explanation: first I did
9÷5=1.80 per box.
so then I did 1.80 x 20 which = 36
Okay my calculator now says it's 68.
Answer:
A student with GPA of 2.15 worked 47.8 hours per week.
Step-by-step explanation:
To find the numbers of hours worked when the GPA is 2.15, we solve the equation when or:
which can be rewritten as (<em>by subtracting 2.15 from both sides)</em>
<em /><em>.</em>
We solve this using the quadratic equation which says, for ,
in our case
,
therefore, we have
and since only the positive solution applies to the real word, we choose , and therefore, a student with GPA of 2.15 worked 47.8 hours per week.
Answer:
y = 4 , x = 0
Step-by-step explanation:
4x + 2y =8----------equ{1}
make 4x subject of the formula
4x = 8- 2y.................equ(2)
now, substitute 4x into equ{1}
4(8-2y) + 2y = 8
32 - 8y + 2y = 8
Collect like terms
-8y + 2y = 8 - 32
-6y = -24
divide both sides by -6
y = 4
Substitute y into equ(2)
4x = 8-2(4)
4x = 8 - 8
4x = 0
divide both sides by 4
x = o
CHECK
4(0) + 2(4) =8
0 + 8 = 8
Balanced☑️