Answer:
The proportion is true.
We are given the following proportion and we are to determine whether it is a true proportion or not:
Finding the value of y:
So now we have
Checking if it is a true proportion:
Since the simplified fractions are equivalent, therefore the proportion is true.
Step-by-step explanation:
Answer:
its not so clear but im guessing u r trying to solve the missing spaces so:
Step-by-step explanation:
1st since angle y is VERTICLE (across) from the angle that is 45 degrees angle y is also 45 degress.
and angle z is the same as teh one across from it which is 21
but this is also very odd since teh shape should add up to 360 degrees
X = # of posters, y = total cost
y = 2x + 250
y = 1000
1000 = 2x + 250
1000 - 250 = 2x
750 = 2x
750/2 = x
375 = x....so 375 posters can be printed
==========================
y = total cost, x = # of miles
y = 3x + 3
y = 117
117 = 3x + 3
117 - 3 = 3x
114 = 3x
114/3 = x
38 = x.....so the car was towed 38 miles
Answer:
amplitude = |-4| =4
period = 2 pi/3
phase shift = pi / 3
midline = 2
Step-by-step explanation:
f(x)=-4 cos (3x-pi)+2
The equation is in the form
f(x) = a cos (bx -c) +d where |a| is the amplitude
period is 2 pi /b
phase shift: c/b
midline = d
amplitude = |-4| =4
period = 2 pi/3
phase shift = pi / 3
midline = 2