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3 years ago

7

Hector is scuba diving at a position 32.75 feet below sea level. He descends 0.5 foot each minute for 15 minutes. What is Hector

’s position compared to sea level after 15 minutes?

1 answer:

Alecsey [184]3 years ago

4 0

Answer:50

Step-by-step explanation:

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Make q the subject of the formula

miss Akunina [59]

Answer:

q = 2p - 1/3

Step-by-step explanation:

2q + 2p = 1+5q

2q = 1+5q-2p

-3q=1-2p

-q = 1-2p/3

q= 2p-1/3

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2 years ago

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I need help with 3x-y=4 y=6-2x

telo118 [61]

Since you have a "y=" equation, this is solved nicely by substitution.
.. 3x -(6 -2x) = 4
.. 5x -6 = 4
.. 5x = 10
.. x = 2
Then
.. y = 6 -2x
.. y = 6 -2*2 = 2

The solution is (x, y) = (2, 2).

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3 years ago

Here are the coordinates of rectangle PLAY: (-11,20), (-11,-3), (-1,20), (-1,-3). Find the Area of this rectangle.

slega [8]

Answer:

230 unit^2

Step-by-step explanation:

$From\ the\ information\ provided\ we\ know\ the\ coordinates\ of\ points:\\P(-11,20),L(-11,-3),A(-1,20),Y(-1,-3)\\Hence,\\PL =AY= 20+3=23\ units\\PY=LA=11-1=10\ units\\Hence,\\As\ we\ know\ that:\\Area\ of\ a\ rectangle=Length*BreadthArea\ of\ rectangle\ PLAY=23*10\\=230\ unit^2$

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54 cm square.........

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A city has a population of 230,000 people. Suppose that each year the population grows by

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