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Cloud [144]
3 years ago
10

It’s 7:40 what time will it be in 3 1/2 hours

Mathematics
1 answer:
timama [110]3 years ago
3 0

Answer:11:10


Step-by-step explanation:

7 hours plus 3 hours is 10

And 40 mins plus 30 is 1 hour 10 mins

10 plus 1 hour and 10 mins is 11 hours and 10 mins

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Explain the phrase conservation of energy and provide an example.
liubo4ka [24]

Answer:

Conservation of energy, principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant. ... For example, when a pendulum swings upward, kinetic energy is converted to potential energy.

Step-by-step explanation:

3 0
3 years ago
PLZZZZ HELP ME
Alecsey [184]

Answer:

D $1.50

Step-by-step explanation:

240/8 = 30p or 30 cents in America

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5 0
3 years ago
What would you have to do to change 10 cubic feet into cubic inches? 
Temka [501]
1 ft = 12 inches
(1 ft)^3 = (12 inches)^3
1 cubic foot = 1728 cubic inches

You'll multiply by the conversion factor (1278 in^3)/(1 ft^3) to convert from cubic feet to cubic inches. Notice how the cubic feet ft^3 unit is at the bottom of the conversion fraction, so that the cubic feet units cancel.

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3 years ago
Two roots of a 3 degree polynomial equation are 5 and-5
notka56 [123]
Hello,

I suppose you want the equation

There are 2 infinite solutions:
y=k(x-5)²(x+5)
or
y=k(x-5)(x+5)²

3 0
3 years ago
At a track meet, eight runners are running the 200 m dash. Assuming no ties, how
Fiesta28 [93]

Answer:

6

Step-by-step explanation:

1. One comes first, two comes second, and three comes last.

2. one comes first, two comes last, and three comes second.

3. One comes second, Two comes first, and three comes last.

4. One come last, Two comes first, and three comes second.

5. One comes second, Two comes last, Three comes first.

6. One comes last, Two comes second, and Three comes first.

8 0
3 years ago
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