1. Write a summary of the weather that occurred during the 24 hours in Table 1.

When an earthquake occurs, energy radiates in all directions from its source region, called the ________, the spot in earth's cr

const2013 [10]

When an earthquake occurs, energy radiates in all directions from its source region, call the -FOCUS-

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The success of the English colonies stems from all the following except

Darya [45]

B. The discovery of gold

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The hypotenuse of right triangle ABC, line segment AC, measures 13 cm. The length of line segment BC is 5 cm. What is the approx

ipn [44]

Answer: $44.8\°$

Explanation:

We have a right triangle with sides AB, BC=5cm and AC=13cm (the hypotenuse). Let's apply the Pithagorean Theorem to find AB:

$AC^{2}=AB^{2} + BC^{2}$ (1)

$AB^{2}=AC^{2} - BC^{2}$ (2)

$AB^{2}=(13cm)^{2} - (5cm)^{2}$ (3)

$AB=12cm$ (4)

Now that we know the value of each side of the triangle, we will use the trigonometric function sine to find the angles C and A (angle B is $90\°$ remembering we are talking about a right triangle):

For angle C:

$sinC=\frac{Oppositeside}{Hypotenuse}$

$sinC=\frac{12}{13}$ (5)

$C=sin^{-1}(\frac{12}{13})$ (6)

$C=67.38\°$ (7)

For angle A:

$sinA=\frac{5}{13}$ (8)

$A=sin^{-1}(\frac{5}{13})$ (9)

$A=22.62\°$ (10)

Calculating the difference between both angles:

$C-A=67.38\°- 22.62\°$

$C-A=44.76\° \approx 44.8\°$

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How are the United States and Canada cooperating to improve environmental conditions? Describe two ways that these countries are

raketka [301]

Answer:

Explanation: The United States of America and Canada have one of the worlds oldest environmental partnerships. The various ways they're partnering to better the environment include:

1. The U.S. - Canada Air Quality Agreement.

This Agreement was signed in 1991 with the aim of working towards the reduction of air emissions which cause cause acid rain. The Agreement was later expanded in the year 2000 with the goal of reducing transboundary smog emissions under the Ozone Annex.

2. The Great Lakes Water Quality Agreement.

This Agreement was initially signed in 1972, and amended in 2012. The goal of the Agreement is to provide a mechanism that involves the effort and cooperation of both countries, that will be geared toward the protection of the Great Lakes Basin ecosystem.

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2 years ago

5. How fast did the shoes travel? (4 points) a. From where the shoes spilled (48°N, 161°W) to where they first made landfall (49

Leto [7]

Answer:

a) d = 35.0143 Km

t = 188 days

v = 7.76*10⁻³ Km/h

b) d = 28.6356 Km

t = 2165 days

v = 5.51*10-4 Km/h

Explanation:

a. From where the shoes spilled (48°N, 161°W) to where they first made landfall (49°N, 126°W), how many kilometers did they travel?

We can use the equation

d = √(∆N²+∆W²)

⇒ d = √((49-48)²+(126-161)²) = 35.0143 Km

How many days did they take to travel that distance? (You can use November 30 as the date found).

From May 27, 1990 to November 30, 1990 we have

t = 5 days + (30 days/month)*(3 months) + (31 days/month)*(3 months) = 188 days

⇒ t = 188 days = (188 days)*(24 hours/day) = 4512 hours

What was their rate of travel in kilometers per hour?

We use the equation

v = d/t ⇒ v = 35.0143 Km/ 4512 h

⇒ v = 7.76*10⁻³ Km/h

b. From where the shoes spilled (48°N, 161°W) to where they were found in 1996 (54°N, 133°W), how many kilometers did they travel?

We can use the equation

d = √(∆N²+∆W²)

⇒ d = √((54-48)²+(133-161)²) = 28.6356 Km

How many days did they take to travel that distance (use April 30 as the date found)?

From May 27, 1990 to April 30, 1996 we have

t = 5 days + (30 days/month)*(4 months) + (31 days/month)*(6 months) + 29 days + (365 days/ year)*(4 years)+ (366 days/ year)*(1 year)= 2165 days

⇒ t = 2165 days = (2165 days)*(24 hours/day) = 51960 hours

What was their rate of travel in kilometers per hour?

We use the equation

v = d/t ⇒ v = 28.6356 Km/ 51960 h

⇒ v = 5.51*10-4 Km/h

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2 years ago