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3 years ago

13

A weight lifter lifts a setof 1250kg weights a vertical distance of 2m in a weight lifting contest what potential energy do the

weights now possess

1 answer:

nikitadnepr [17]3 years ago

3 0

Answer:

<u>U = mgh = (1250 kg)(9.8 m/s2)(2m) = ? J</u>

HOPE THIS HELPS

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Use algebra ,What number exceeds y by 4 less than x?

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y + (x-4)

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4 less than x= x-4

y exceeds 4 less than x = y + (x-4)

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Three relatives will share an inheritance of 196,800 in the ratio of 3 to 7 to 2. How many dollars of the inheritance will each

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3 years ago

The school production of Our Town' was a big success. For opening night. 434 tickets were sold. Students paid $4.00 each, while

Alex73 [517]

Answer:

286 students attended

148 non students attended

Step-by-step explanation:

Given

$Tickets = 434$

$Students = \$4.00$

$Non-Students = \$6.00$

$Total = \$2032.00$

Solving (a): Number of students

Represent students with S and non students with N

So:

$S + N = 434$ --- (1)

$4S + 6N = 2032$ --- (2)

Make N the subject of formula in (1)

$N = 434 - S$

Substitute 434 - S for N in (2)

$4S +6(434 - S) = 2032$

Open Bracket

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Collect Like Terms

$4S - 6S = 2032 - 2604$

$-2S = -572$

Divide through by -2

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Solving (b):

Recall that

$N = 434 - S$

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3 years ago

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Answer:

Step-by-step explanation:

3 * 4 = 12 - 6

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