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NeTakaya
3 years ago
10

Consider a prism ABCA'B'C' whose base is an equilateral triangle of side a. The projection of A' onto ABC is the centroid of ABC

. The side AA' makes an angle of 60° with the base. Calculate the volume of prismatic block.
Mathematics
2 answers:
luda_lava [24]3 years ago
4 0

Answer: The base of the prism ABCA1B1C1 is an equilateral triangle ABC with side a. Point A1 is projected onto the center (middle) of edge BC and the angle between. ... BC and the angle between the edge AA1 and the plane ABC is 60 degrees. ... I tried several ways to calculate the area but the answer is not the ...

Step-by-step explanation:

Serggg [28]3 years ago
3 0

Answer:

lsu is there to help you with this question

Step-by-step explanation:

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The net of an isosceles triangular prism is shown. What is the surface area, in square units, of the triangular prism?
neonofarm [45]

Area of three rectangles

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Area of two triangles

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Total

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5 0
2 years ago
Find the domain and range of the function graphed in the picture.
algol [13]

The domain is the set of allowed x inputs, or x coordinates of a function. In this case, any point on the curve has an x coordinate that is 4 or smaller.

Therefore, the domain is the set of numbers x such that x \le 4

To write this in interval notation, we would write (-\infty, 4] This interval starts at negative infinity and stops at 4. We exclude infinity with the curved parenthesis and include 4 with the square bracket.

-----------------------------------------------------------------------

The range is the set of possible y outputs. Every point on this curve has a y coordinate that is either 0 or it is larger than 0.

The range is the set of y values such that y \ge 0

In interval notation, it would be written as [0, \infty) This time we start at 0 (including this endpoint) and "stop" at infinity

note: we always use curved parenthesis at positive or negative infinity because we cannot reach either infinity

7 0
3 years ago
The discriminant of a quadratic equation is negative. One solution is 3+4i . What is the other solution?
Fiesta28 [93]
I believe the correct answer from the choices listed above is option B. <span>The discriminant of a quadratic equation is negative. One solution is 3+4i . The other would be 3-4i. Hope this answers the question. Have a nice day.</span>
4 0
3 years ago
Read 2 more answers
a bag contains Stephanie five marbles, some red some blue. The ratio of red marbles to blue ones is 3:2. how many red marbles ar
Nikolay [14]

Answer:

There are 3 red marbles.

Step-by-step explanation:

The ratio of red marbles to blue marbles is 3:2, so for every two blue marbles there are three red marbles. This means that there are three red marbles for every four marbles in the bag. Therefore, if there are five marbles in the bag, there must be three red marbles and two blue marbles.

7 0
2 years ago
Simplify this expression: -2x + 3 – (5 – 6x). Can someone pls explain how to do this dont just give the awnser
Verizon [17]

Answer:

-2x + 3 – (5 – 6x) = 4x - 2

Step-by-step explanation:

The given expression is :

-2x + 3 – (5 – 6x)

We need to simplify the above expression. First opening the brackets.

-2x + 3 – (5 – 6x) = -2x + 3 – 5 + 6x

Taking like terms together,

= -2x+6x + 3 -5

= 4x - 2

So, the simplified expression is 4x - 2.

5 0
2 years ago
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