Answer:
90 Years = 47,304,000 Minutes = 47304000 Minutes.
Step-by-step explanation:
Answer:
The answer is B.
Step-by-step explanation:
Graph it on Desmos.
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Given:
A(3,0)
B(1,-2)
C(3,-5)
D(7,-1)
1) reflect across x=-4
essentially calculate the difference between the x=-4 line and Px and "add" it in the other direction to x=-4
A(-4-(3-(-4)),0)=A(-11,0)
B(-4-(1-(-4)),-2)=B(-9,-2)
C(-4-(3-(-4),-5))=C(11,-5)
D(-4-(7-(-4)),-1)=D(-15,-1)
2) translate (x,y)->(x-6,y+8)
A(-3,8)
B(-5,6)
C(-3,3)
D(1,7)
3) clockwise 90° rotation around (0,0), flip the x&y coordinates and then decide the signs they should have based on the quadrant they should be in
A(0,-3)
B(-2,-1)
C(-5,-3)
D(-1,-7)
D) Dilation at (0,0) with scale 2/3, essentially multiply all coordinates with the scale, the simple case of dilation, because the center point is at the origin (0,0)
A((2/3)*3,(2/3)*0)=A(2,0)
B((2/3)*1,(2/3)*-2)=B(2/3,-4/3)
C((2/3)*3,(2/3)*-5)=C(2,-10/3)
D((2/3)*7,(2/3)*-1)=D(14/3,-2/3)
Answer:
He sold 180 chicken sandwiches and 150 burguers.
Step-by-step explanation:
Since 330 items were sold, then the amount of burguers and chicken sandwiches sold must be equal to this value. From this information we have:
burguers + sandwiches = 330
We know that each burguer cost $9 and each chicken sandwich cost $11.25 and that we made a total of $3,375. So we have:
9*burguers + 11.25*sandwiches = 3,375
From the first equation we have:
burguers = 330 - sandwiches
Applying it on the second equation:
9*(330 - sandwiches) + 11.25*sandwiches = 3,375
2,970 - 9*sandwiches + 11.25*sandwiches = 3,375
2.25*sandwiches = 3,375 - 2,970
2.25*sandwiches = 405
sandwiches = 405/2.25 = 180
So,
burguers = 330 - 180 = 150
He sold 180 chicken sandwiches and 150 burguers.
