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Nookie1986 [14]
3 years ago
13

Write the contrapositive of the conditional statement. Determine whether the contrapositive is true or false. If it is false, fi

nd a counterexample.
A line is determined by two points.
Mathematics
1 answer:
Tanzania [10]3 years ago
3 0

Answer:

Step-by-step explanation:

It's true

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Answer:

24,150km

Step-by-step explanation:

The plane travels 3450km in 1 hr, since we need the distance traveled in 7 hrs we need to multiply 3450 by 7.

distance in 7hrs: 3450*7 = 24,150km

4 0
2 years ago
a colleague needs to move a 500 pound object that's on a lever. the fulcrum is 6 inches from the object. If your colleague weigh
Dafna11 [192]

Answer:

Step-by-step explanation:

The easier way to figure this is by using the concept of torque in physics. If the torque of the man is greater than that experienced by the box, the lever will tilt in the man's favor (in other words, he will move down and the box will be lifted). Torque is found by multiplying the perpendicular force by the length of the lever arm. Because we want the man's torque to be greater than the box's torque, the inequality is:

\tau_{man}>\tau_{box} and

180r>500(.1524) That decimal is 6 inches in terms of meters.

180r > 76.2 so

r > .42 meters or `16.67 inches. The man has to sit at a distance greater than 16.67 inches in order for the box to be lifted by the lever.

6 0
2 years ago
the three cubes shown weigh 12 ounces how many pounds would 24 cubes weigh A. 4.5 lb B. 6lb C. 18lb D. 72lb
ANEK [815]
The 24 cubes would weigh exactly 6 pounds.
7 0
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Is 1\8 equivalent to 4\32
Klio2033 [76]
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What are the solutions to the system of equations?<br> y= x^2 - 4x + 8<br> y= 2x +3
coldgirl [10]

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(1, 5) and (5, 13)

Step-by-step explanation:

8 0
3 years ago
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