3 years ago

Is it possible for two planes to intersect in exactly one point

Mathematics

1 answer:

Strike441 [17]3 years ago

8 0

Two planes intersect at a line. Not a point.

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Negative 15 divided by 3

vazorg [7]

It is negative five cause 15÷3=5 but its negative so it is nehative 5

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4 years ago

Read 2 more answers

Find the slope of DE and FG

Pavlova-9 [17]

Answer:

Part 1) The slope of DE is $m=\frac{c}{a+b}$

Part 2) The slope of FG is $m=\frac{c}{a+b}$

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

step 1

Find the slope of DE

we have

D(-a-b,c) and E(0,2c)

substitute in the formula

$m=\frac{2c-c}{0-(-a-b)}$

$m=\frac{c}{a+b}$

step 2

Find the slope of FG

we have

F(a+b,c) and G(0,0)

substitute in the formula

$m=\frac{0-c}{0-(a+b)}$

$m=\frac{-c}{-(a+b)}$

Simplify the sign minus

$m=\frac{c}{a+b}$

Note The slope of DE is equal to the slope of FG. therefore DE and FG are parallel

7 0

3 years ago

Which of the following is a rational number?

fgiga [73]

All number except 25

7 0

3 years ago

How to simplify this expression

dexar [7]

Answer:

$\dfrac{x+2}{x+1}$

Step-by-step explanation:

Factor the numerator and cancel common factors from numerator and denominator.

$\dfrac{x^2-4}{(x-2)(x+1)}=\dfrac{(x-2)(x+2)}{(x-2)(x+1)}=\dfrac{x+2}{x+1}$

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3 years ago

A deli offers up to 12 different toppings on their sub sandwiches how many different 4 topping sandwiches are possible

Rashid [163]

There are 3 because 12 divided by 4 is 3.

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3 years ago