Which pair of figures shows a dilation with a scale factor of 1 1/2?

QRS and TRU

Step-by-step explanation:

A dilation of 1 + 1/2 means that the second image is (1 + 1/2) times the lenght of the first one.

for this, you can chek with one of the sides of the triangles:

with the triangles QRS and TRU we have that the line RS has a lenght of 2 units, then the lenght of the RU must be 1 and 1/2 times that lenght:

RU = (1 + 1/2)*2 = 2 + 1 = 3 units

and we can see in the grap that the segment RU has a lenght of 3 units, so this is a dilation with a scale factor of 1 + 1/2

For the other 3 options we can see that in the top left one bot triangles are equal, and in the bottom two the dilation is witha scale factor of 2.

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: