Answer:
See step-by-step explanation
Step-by-step explanation:
Question 3: (4, -3)
Solving through elimination: Multiply the first equation by -3.
-3x+6y=-30
3x-5y = 27
Add. The x drops out.
y= -3
Substitute -3 in for y.
x-2y=10
x-2(-3)=10
x+6=10
x=4
Question 4: (2,5)
Solve through elimination: Multiply the second equation with 3.


3/2= 6/4
15/4x=7.5
x=2
3/2 (2) + y = 8
3+ y =8
y=5
Question 5: (6,4)
Use your graph to graph.

Slope of -1/3
Y-intercept of 6 (0,6)
X-intercept of 18 (18,0)

Slope of 3/2
Y-intercept of -5 (0,-5)
X-intercept of
(
Question 6: (5, -7)




Solve by substitution:
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He can complete 35 questions in 1.75 minutes
1/20=x/35
Simplify both sides
x=1.75
Answer:
82.6cm2
Step-by-step explanation:


radius =2cm
height=8cm

Multiplying the numerators and The whole numbers, we have

Since the denominators of the fractions are the same, we add the numerators.


For this case we have that by definition, the equation of a line of the slope-intersection form is given by:

Where:
m: It's the slope
b: It is the cut-off point with the y axis
The slope of a line is given by:

We have that the line m passes through the following points:

So, the slope of the line m is:

Line n has the same slope so the equation is of the form:

We have as data that the y-intercept is
. Thus, we have that the equation of line n is:

ANswer:

Answer:
y=
Step-by-step explanation: