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3 years ago

What is the order of the numbers from least to greatest? A = 4.6 x 10–4 B = 2.4 x 10–3 C = 3.5 x 105 D = 6.3 x 10–4

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

6 0

Answer:

B, A, D, C,

Step-by-step explanation:

B = 21,

A = 42,

D = 59,

C = 367.5

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Help??I have 4 questions and im confused on all of them

KengaRu [80]

So you you are trying to find the area of sphere so you would use this formula
A=4•3.14•r^2

And you already know that the radius is 6 so you would go ahead and plug in the numbers
A=4•3.14•4^2

4^2 is 16 so your final equation would be
A=4•3.14•16

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3 years ago

What is the circumference of diameter of 2cm

kicyunya [14]

a circle with a diameter of 2cm has a circumference of 6.28 cm

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3 years ago

I need to know if it is less than greater than or equal two

Genrish500 [490]

Answer:

Greater than because 4,100 grams is 100 greater than 4 kilograms because 4 kilograms is equal to 4,000 grams

Step-by-step explanation:

A kilogram is 1,000 times larger than one gram

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3 years ago

One of the vertices of an equilateral triangle is on the vertex of a square and two other vertices are on the not adjacent sides

Elina [12.6K]

<h2>Answer:</h2>

<em> The side of the triangle is either 38.63ft or 10.35ft</em>

<h2>Step-by-step explanation:</h2>

This problem can be translated as an image as shown in the Figure below. We know that:

The side of the square is 10 ft.
One of the vertices of an equilateral triangle is on the vertex of a square.
Two other vertices are on the not adjacent sides of the same square.

Let's call:

Since the given triangle is equilateral, each side measures the same length. So:

x: The side of the equilateral triangle (Triangle 1)

y: A side of another triangle called Triangle 2.

That length is the hypotenuse of other triangle called Triangle 2. Therefore, by Pythagorean theorem:

$\mathbf{(1)} \ x^2=100+y^2$

We have another triangle, called Triangle 3, and given that the side of the square is 10ft, then it is true that:

$y+(10-y)=10$

Therefore, for Triangle 3, we have that by Pythagorean theorem:

$(10-y)^2+(10-y)^2=x^2 \\ \\ 2(10-y)^2=x^2 \\ \\ \\ \mathbf{(2)} \ x^2=2(10-y)^2$

Matching equations (1) and (2):

$2(10-y)^2=100+y^2 \\ \\ 2(100-20y+y^2)=100+y^2 \\ \\ 200-40y+2y^2=100+y^2 \\ \\ (2y^2-y^2)-40y+(200-100)=0 \\ \\ y^2-40y+100=0$

Using quadratic formula:

$y_{1,2}=\frac{-b \pm \sqrt{b^2-4ac}}{2a} \\ \\ y_{1,2}=\frac{-(-40) \pm \sqrt{(-40)^2-4(1)(100)}}{2(1)} \\ \\ \\ y_{1}=37.32 \\ \\ y_{2}=2.68$

Finding x from (1):

$x^2=100+y^2 \\ \\ x_{1}=\sqrt{100+37.32^2} \\ \\ x_{1}=38.63ft \\ \\ \\ x_{2}=\sqrt{100+2.68^2} \\ \\ x_{2}=10.35ft$

<em>Finally, the side of the triangle is either 38.63ft or 10.35ft</em>

5 0

3 years ago

Read 2 more answers

An osha inspection was conducted at Raul’s workplace. He is curious about the results and wonders what actions his employers mig

Ivan

Answer : YES!

Explanation : An OSHA inspection when was being conducted at Raul's workplace; He has full right to know about the results and can also ask/question his employer about the actions that they will be taking to fix if any issues are identified during the inspection.

As per the guidelines of OSHA which stands for The Occupational Safety and Health Act, employers are responsible for providing a safe and healthful workplace for their workers, also it gives full right to the employees to know what are the safety measures taken by their organization. OSHA is a federal law that was established in 1970 to ensure that America's workforce has a safe environment in which to work. The Occupational Safety and Health Administration (OSHA), the federal agency that enforces the OSH law was established by the law and was formed in 1971.

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4 years ago