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Dima020 [189]
3 years ago
7

Help me !!! Which point in this body of water is most ikely to be in the photic zone

Mathematics
1 answer:
KiRa [710]3 years ago
4 0

Answer:

A

A has sufficient sunlight, it's also close to some vegetation, it's the perfect place.

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Trigonometry
Natasha_Volkova [10]

Answer:

Step-by-step explanation:

For a triangle the area is

A=\frac{1}{2}bh

If our triangle is isosceles and the 2 congruent sides each measure 4 and they include an angle of 40 degrees, let's say that the vertex angle is 40 and the sides that are not the base each measure 4.  If we drop an altitude from the vertex to the base, we cut the triangle into 2 right triangles, with the vertex angle being 20 degrees and the hypotenuse being 4.  To find the base, then, which is opposite the angle, we use the sin ratio:

sin(20)=\frac{b}{4} and

4sin(20) = b so

b = 1.368

But we need the whole base, and that is only half of it.  So

2b = 2.736

To find the height, which is adjacent to the angle, we use the cos ratio:

cos(20)=\frac{h}{4} and

4cos(20) = h so

h = 3.759

Now we have enough info to find the area of the triangle using the triangle area formula from above:

A=\frac{1}{2}(2.736)(3.759) and

A = 5 meters squared.

7 0
3 years ago
What is the equation for the line of reflection that maps the trapezoid onto itself?
kvv77 [185]
The line that maps a figure onto itself is a line of symmetry of the figure.

From the given trapezoid, the line of symmetry of the trapezoid is x = -2.

Therefore, the <span>equation for the line of reflection that maps the trapezoid onto itself</span> is x = -2.
6 0
3 years ago
Read 2 more answers
Find the surface area of the figure
IgorLugansk [536]

Answer:

Area of a Square it base x height so 4x4=16+16 = 32 in^2

Step-by-step explanation:

3 0
2 years ago
the sum of the measures of two interior angles of a triangle is 593°. Find the measure of the sixth interior angle
soldi70 [24.7K]
The sixth angle would measure 127°

5 0
2 years ago
Simplify 400000000000 into exponents​
DiKsa [7]

Answer:

The exponent will be 4*10^11

Step-by-step explanation:

^11 This means 11 is an exponent on top.

Hope it helps. Let me know.

3 0
2 years ago
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