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Jlenok [28]
3 years ago
6

The sum of their speeds is 180 miles per hour superman is 20mph faster than Desperado how fast is each roller coaster

Mathematics
1 answer:
madreJ [45]3 years ago
8 0

Superman is 100 mph

Desperado is 80 mph

there total speed is 180 mph and Superman is 20 mph faster

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Please please help me please
MAVERICK [17]

Answer:

1st option is the answer

Step-by-step explanation:

blue line:  slope is 1 and y-intercept is 1; therefore equation is y= x + 1

red line:  slope is -1 and y-intercept is -3; therefore equation is y= -x - 3

7 0
3 years ago
If a lot contains 48,000 square feet and is 240' wide, how deep is the lot?
lisabon 2012 [21]
We would assume the lot takes a rectangular shape. With that in mind. the area of the rectangular plot is 48, 000 and its width is 240. We only need to know the area of a rectangle which is L * W.  
So 48, 000 = L * 240 
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6 0
4 years ago
Which three lengths could be the lengths of the sides of a triangle?
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C. 7 cm by 7 cm by 43 cm
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3 years ago
Select the correct answer from the drop-down menu.
melamori03 [73]

Answer:

y - x= - 13   -------(1)

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(1) => y = - 13 + x

Substitute y in (2)

- 4x + 3( - 13 + x) = -51

- 4x - 39 + 3x = -51

- x = -51 + 39

- x = -12

x = 12

Substitute x in (1)

y = - 13 + x = -13 + 12 = - 1

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8 0
3 years ago
32. Gabriella went shopping at a department store that was having a sale. Her total, before the sand
Zigmanuir [339]

Answer:

110.386

Step-by-step explanation:

what you have to do is take 20% of 142.25 (which you can do by looking it up or multiplying 142.25 by 20 and then multiplying that by .1) then you find 3% of that and add the 3% (by using the steps i gave you for the 20%)

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3 years ago
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