B.184.00 seconds
C.3.54 seconds
D.0.78 seconds
The surfacearea of the triangular pyramid is 242.039 square feet.
a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
Area of equilateraltriangle = √(3)/4) x (side)²
= √(3)/4) x 13²
= 84.303 square feet
Now find the area of one of the triangular faces
Height² = (slant height)² - (base/2²
= 11² - (13/2)²
= 121 - 84.25
Height²= 36.75
Height = 6.063 feet
Area of triangular face = (1/2) x (base) x (height)
= (1/2) x 13 x 6.063
= 39.434 square feet
the total area of the triangular faces is:
4 x 39.434 = 157.736 square feet
Surface area = area of base + area of triangular faces
= 84.303 + 157.736
= 242.039 square feet
Hence, the surface area of the triangular pyramid is 242.039 square feet.
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Answer multiply the width and the height
Step-by-step explanation:
Christi, Texas is 210 miles. If the ratio of miles to
inches on a map is 2:0.25, how many inches
represent the distance from Houston to Corpus
Christi?
Answer:
26.25 inches
Step-by-step explanation:
2/.25
=8
210/8
=26.25
Answer:
The correct graph is D.
Step-by-step explanation:
Given a quadratic equation :
You can find the roots (where the graph intersects the x-axis) applying the following equation :
and
We define the discriminant as
If then the graph will intersect the x-axis in two points
If then the graph will intersect the x-axis in one point.
Finally, If then the graph won't intersect the x-axis because it will not have real roots.
In this exercise, the graph that doesn't intersect the x-axis is graph D.
Answer:
D
Step-by-step explanation:
A negative discriminant indicates that the quadratic equation has no real roots.
Thus the graph does not touch or intersect the x- axis
The only graph that does not touch or intersect the x- axis is the fourth one
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A. If a polygon is a square, it has four right angles.
If a polygon is a rectangle, then it has four right angles.
If a polygon is a rectangle, then it is a square.
B. If a number is divisible by 12, then it is divisible by 6.
If a number is divisible by 6, then it is divisible by 2.
If a number is divisible by 12, then it is divisible by 2
C. If it is a dog, then it barks.
If it has a tail, then it is an animal.
If it is a dog, then it barks and has a tail.
D. If an animal can swim, then it has fins.
If an animal is a fish, then it has fins.
If an animal can swim, then it is a fish.