Which is a sketch of the cross section of a square pyramid that is cut parallel to its base? Describe the cross section.

Mathematics

1 answer:

Natasha_Volkova [10]3 years ago

4 0

d.
Square cross section 
Also, the smaller pyramid created is similar to the big one.

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What do i do please help!

Art [367]

Answer:

Step-by-step explanation:

this is confusing b/c they are asking about two trains traveling at differnt speeds, but.. if you put the speeds together and make one train... imaginary.. ofc... traveling at the speed of both trains combined... when will it be 50 miles from the station?

maybe you can solve that? I'll solve it below.. but.. if you can.. try it now, on your own

below is my answer... don't look until you have solved yours :P

80+70= 150kph

when will this have traveled 50Km?

you may be able to see that it will take 1/3 of an hour to travel 50 km

so 60 minutes times 1/3 = 20 minutes :)

8 0

2 years ago

In the xy, y-plane, the parabola with equation y = ( x− 11)^2y=(x−11) 2 y, equals, (, x, −, 11, ), squaredintersects the line wi

IRINA_888 [86]

Answer:

10 units

Step-by-step explanation:

Allow me to revise your question for a better understanding.

"In the xy-plane, the parabola with equation y = (x − 11) ² intersects the line with equation y = 25 at two points, A and B. What is the length of AB"

Here is my answer

Because the parabola intersects the line with equation y = 25 Substituting y = 25 in the equation of the parabola y = (x - 11)², we get

25 = (x - 11)²

<=>x - 11 = ± 5

<=> $\left \{ {{x=6} \atop {x=16}} \right.$

Thus A(16, 25) and B(6, 25) are the points of intersection of the given parabola and the given line.

So the length of AB = √[(16 - 6)² + (25 - 25)²]

= √100 = 10 units

5 0

3 years ago

Read 2 more answers

Find the length and width of a rectangle with an area of 2x^2+x-3

nasty-shy [4]

2x^2 + x -3 can be factorised

[2x + 3][x - 1] 

As length times width = area 

one possible set of measurements are 

length = [2x + 3] 
width = [x-1]

6 0

2 years ago

Read 2 more answers

You guysss pls help me

hichkok12 [17]

Answer:

option B) $\frac{1}{12}$