2 years ago

What is the intesity of an earthquake with a magnitude of 3?

1 answer:

8 0

Earthquakes with a magnitude of 3 are usually not felt or are only felt by a few people at rest (mostly on higher floors of buildings).

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Solve for x:

elixir [45]

I’m going to say multiply both sides by a which gives you:

a^2-ab-a=2

If not give me a call

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2 years ago

Help me out last time on this app for this lat question big points and brainlest

Ahat [919]

Answer:

0.20m+650<775

Step-by-step explanation:

Less than 775=<775

650 is independent

8 0

2 years ago

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Given the equation y = 0.2 x 4^x , find x when y = 1000

Gnoma [55]

Answer:

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6 0

2 years ago

The coordinates of point A on a grid are (−1, 6). Point A is reflected across the y-axis to obtain point B. The coordinates of p

Brut [27]

(1,6)....................

7 0

2 years ago

The quadratic function d= -4x+1,100 models a snowboarder's distance, in feet, from the bottom of a hill x seconds after the snow

Fynjy0 [20]

Answer:

16 seconds (Approximately)

Step-by-step explanation:

Given:

The function that gives the distance of snowboarder from the bottom of hill with time 'x' is:

$d=-4x^2+1100$

Final position of the snowboarder is $d=100\ ft$

Now, plugging in 100 for 'd' and solving for 'x', we get:

$100=-4x^2+1100$

Adding -1100 both sides, we get:

$100-1100=-4x^2+1100-1100\\-1000=-4x^2$

Dividing both sides by -4, we get:

$\frac{4x^2}{4}=\frac{1000}{4}\\x^2=250$

Taking square root and neglecting the negative root as time can't be negative. So,

$\sqrt{x^2}=\sqrt{250}\\x=5\sqrt{10}=15.8\ s\approx 16\ s$

Therefore, after 16 seconds, the snowboarder will be at a distance of 100 ft from bottom of hill.

7 0

2 years ago