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4 years ago

15

Please help me klkkfljfjfhcnfnf

1 answer:

mrs_skeptik [129]4 years ago

4 0

Answer:

0.0017

Step-by-step explanation:

A percent is part of 100%. It converts to a decimal by moving the decimal point two place values to the left.

For example, 60%=0.60

For 0.17% = 0.0017

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1. Which economic policy was used to help American industry during the Second Industrial Revolution?

enot [183]

<span>Hello!

Economic policy used in the US during the second industrial revolution was the model of laissez-faire capitalism. Socialism and populism have not been used often in the US.

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<span>The main consequence of the use of holding was to reduce the power of couplings, since it is configured symbolic monopoly.

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The steel industry has contributed to the territorial and technological expansion. This is remarkable when we look at the railroads.

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5 0

3 years ago

Read 2 more answers

Can someone help me on this asap.

Alina [70]

Answer:

<em>-6y = 12</em>

Step-by-step explanation:

3x - 4y = 7

- 3x + 2y = -5

-----------------------

-6y = 12

8 0

3 years ago

(-2 1/2) to the second power

trapecia [35]

Answer:

6.25

Step-by-step explanation:

$(-2\frac{1}{2})^2\\\\(-\frac{5}{2} )^2\\\\(\frac{5}{2})^2\\\\\frac{5^2}{2^2}\\\\\frac{25}{4}\\\\\boxed{6\frac{1}{4}}\text{ or } 6.25$

Hope this helps.

5 0

3 years ago

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Two ropes, AD and BD, are tied to a peg on the ground at point D. The other ends of the ropes are tied to points A and B on a fl

Kazeer [188]

Answer: 10 ft

Explanation

As two right triangles (a triangle with a 90º angle) are formed, to know the distance between AB we have to calculate BC, AC and subtract.

0. Calculating BC

We have a 30º angle and an adjacent side 5√3ft (as the hypotenuse is the side opposite to the 90º angle). Thus, using the tangent function where:

$\tan\theta=\frac{opposite}{adjacent}$

we can find the opposite side, which is BC. Replacing the values and simplifying we get:

$\tan(30\degree)=\frac{BC}{5\sqrt{3}}$ $BC=5\sqrt{3}\tan(30\degree)$ $BC=5ft$

Thus, the segment BC measures 5ft.

<em>2. Calculating segment AC</em>.

In this case, our hypotenuse changes. However, we are still looking for the opposite side. Using the tangent function as before we get:

$AC=5\sqrt{3}\tan(60\degree)$ $AC=15$

<em>3. Calculating the distance between A and B</em>

$AC-BC=15-5=10ft$

6 0

1 year ago

If f(x) = x^2-2x find f(-1)

morpeh [17]

Answer:

f(- 1) = 3

Step-by-step explanation:

To evaluate f(- 1), substitute x = - 1 into f(x) , that is

f(- 1) = (- 1)² - 2(- 1) = 1 + 2 = 3

4 0

3 years ago