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3 years ago

A. A line through P parallel to line L

Mathematics

2 answers:

m_a_m_a [10]3 years ago

5 0

Answer:

b.a line through p intersecting line l

netineya [11]3 years ago

5 0

The question won’t seem to load could you put it in comments

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What are the coordinates of the fourth point that could be connected with (–8, 0), (1, 0), and (1, –5) to form a rectangle?

sergey [27]

(-8, -5)

To form a rectangle, all the lines must be perpendicular and parallel. If you draw out the points on a coordinate plane then you can find the answer pretty easily.

Also, this one is easy because all the lines are vertical or horizontal, and when that is the case then you can just see which number in the set hasn't appeared twice (1 appeared twice as an x value, 0 appeared twice as a y value, but -8 has only appeared once as an x and -5 has only appeared once as a y value)

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3 years ago

For a spear with a radius of 8 what is the surface area

UkoKoshka [18]

Solution
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2 years ago

Which can be the first step in finding the equation of the line that passes through the points (5,-4) and (-1,8) in slope-interc

Mars2501 [29]

Hello : let A(5,-4) B(-1,8)
the slope is : (YB - YA)/(XB -XA)
(8+4)/(-1-5) =-2
an equation is : y=ax+b a is a slope

y = -2x +b

the line through point A(5,-4) : -4= -2(5)+b
b = 6
the equation is : y =-2x+6

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3 years ago

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antiseptic1488 [7]

A proper fraction is a fraction where the numerator (the top number) is less than the denominator

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3 years ago

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The density of oxygen is 0.001429 grams per cubic centimeter. How is this number written in

Anika [276]

We have been given that the density of oxygen is 0.001429 grams per cubic centimeter. We are asked to write the given number in scientific notation.

To convert a number into scientific notation, we write the given number as product of two numbers. One factor is a number between 1 and 10, while the 2nd factor is power of 10.

When a decimal is to the left of given number, then we need to move the decimal to right such that the number gets between 1 and 10. Then, we multiply the number by negative power of 10 that many times, we moved the decimal to right.

We can see that decimal is to left of our number. To place decimal after 1, we have to multiply 10 to 3 times. To keep the value of number same we will multiply the same negative power (negative 3).

$0.001429\times 10^3\times 10^{-3}$

$(0.001429\times 10^3)\times 10^{-3}$

$(1.429)\times 10^{-3}$

$1.429\times 10^{-3}$

Therefore, the number 0.001429 will be $1.429\times 10^{-3}$ in scientific notation.

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3 years ago