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Rasek [7]
2 years ago
13

How do calculate this

Mathematics
2 answers:
vlabodo [156]2 years ago
8 0

Answer:

B!!

Step-by-step explanation:

OLga [1]2 years ago
8 0

Answer:

b

Step-by-step explanation:

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I have 6 one, 7 tens and 14 hundreds. what number am i?​
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Answer:

Step-by-step explanation:

6×1 = 6

7×10 = 70

14×100 = 1400

6+70+1400 = 1476

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The second step in solving problems using order of operations is solving the
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padilas [110]

Answer: Okay the answer its 2304 pi

and decimal from its 7238.22947387

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since it keeps going on. Or you could round it to the hundredth's place and get 723.8

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3 years ago
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A ladder 10 feet long rests against a vertical wall. Initially, the top of the ladder is 8 feet above the ground. If the top of
lora16 [44]

Step-by-step explanation:

Let vertical height of ladder from ground be y and

horizontal distance of the base of the ladder from the wall be x respectively.

Length of the ladder = l (constant) = 10 ft

<u>Using Pythagoras theorem</u>:

{l}^{2}  =  {y}^{2}  +  {x}^{2}

Differentiate both sides w.r.t time

0 = 2y \frac{dy}{dt}  + 2x \frac{dx}{dt}

y \frac{dy}{dt}  + x \frac{dx}{dt}  = 0

<u>We know that</u> (After 1 sec, y = 6 ft and x = 8 ft ; dy/dt = 2 ft/sec)

6\times 2 + 8\frac{dx}{dt}  = 0

\frac{dx}{dt}  =  - 1.5 ft  \: per \: sec

<u>( Ignore - ive sign)</u>

Therefore, bottom of the ladder is sliding away from the wall at a speed of 1.5 ft/sec one second after the ladder starts sliding.

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3 years ago
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