Answer:
its 5 hours i think
Step-by-step explanation:
Step-by-step explanation:
- <em><u>distribute</u></em><em><u> </u></em>4 through the parentheses
- move the <em><u>variable</u></em><u> </u>to the left hand side and change its sign
- move the <em><u>constant </u></em>to the right hand side and change its sign
- collect<em><u> like</u></em><em><u> terms</u></em>
<em><u>
</u></em>
- divide both sides of the equation by <em>-</em><em>5</em>
<em></em>
<h2>
<em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em></h2>
<span>The <u>correct answer</u> is:
576 sq. cm.
Explanation:
The surface area of a figure is the sum of the areas of the faces of the figure.
The slant height goes from the apex of the pyramid along a face and is perpendicular to the base at the bottom of that face. This gives us 2 measurements of each triangular face of the pyramid: the height (the slant height of the pyramid is the height of the triangular face), 18 cm, and the base <span>of the triangular face, 12 cm.
The formula for the area of a triangle is A = 1/2bh; using our measurements we have:
A = 1/2(12)(18) = 108 sq. cm.
There are 4 triangular faces on a square pyramid, and each will have an area of 108 sq. cm.; this gives us:
4(108) = 432 sq. cm.
The area of the base is given by length times width, or 12*12 = 144 sq. cm.
This gives us a total surface area of 432+144=576 sq. cm.</span></span>
Answer:
=
=
Step-by-step explanation:
You multiply 9 x 3=27
(leave 1/3 alone, it's already good)
you have a 27/3-1/3
(subtract those)
your answer is 26/3
(see answer above for decimal form and mixed fraction form)
The formula for perimeter (total length all around sides) for a rectangle is
P(L,w) = 2(L+w)
Assuming the neighbour wants to fence all around each yard, the total fence length is the total of two perimeters, namely
Length of fence
= 2(65+45) + 2(35+45)
=2(110)+2(80)
=220+160
=380 feet.
