Which resource was not vital to the economic success of the United States?

Geography

2 answers:

Damm [24]3 years ago

6 0

Answer:

Lead was not vital to the economic success of the United states.

Explanation:

The United States is blessed with an affluence of both renewable and non-renewable natural resources. It has a large land mass unencumbered by enemy borders, abundant deposits of fossil fuel, and thousands of miles of coastline. It also is blessed with much fertile agricultural land and many freshwater sources. All these are part of the reasons America's economy grew at a fast rate. Lead on the other hand didn't contribute significantly to the economic growth of the United states.

AysviL [449]3 years ago

3 0

Lead was not vital for economic success.

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What type of angle is it? <br>What is the measurement?

romanna [79]

Below I have included an image that has the measure of all of the angles on it.

We can find the measures of the angles here due to the laws about complimentary angles. A pair of complimentary angles can be formed when 2 lines are perpendicular, and when added together, will always equal 90. The pair are the angles that are not directly adjacent from each other. In this figure, "x" and "(4x-10)" are a pair. According to another law, opposite angles, or adjacent angles, will always be equal to each other. Using the logic above is how we can find the measure of all angles.

Since one angle has a box, we know the lines are perpendicular, and that the laws of complimentary angles apply. We can also use that to see that the angle diagonal from it is equal to 90.

To solve for the other measures, we need to add the 2 equations together and set them equal to 90 (because of that law we talked about before).

x+(4x-10)=90
5x-10=90
+10+10
5x=100
/5 /5
x=20

Now that we know x equals 20, we can substitute that value in and solve.

x=20

=(4x-10)
=(4*20-10)
=(80-10)
=70

We also know this is correct because 20 and 70 equal 90.