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Vera_Pavlovna [14]
3 years ago
7

What is the answer??

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
4 0

Answer:

x = -2±i

Step-by-step explanation:

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Answer: The perimeter is when you add all of the sides together, and the area is when you multiply the sides together

Step-by-step explanation:

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17. Which of the following trigonometric functions can be described as a reciprocal trig function?
Nataly [62]

Answer:

Step-by-step explanation:

Reciprocal trig functions are opposite or mirror of the normal trig functions. The normal trig functions are as follows:

Sine = opposite side/hypotenuse

Cosine = adjacent side/hypotenuse

Tangent = opposite side/adjacent side

The reciprocals of the above trig ratios would be

Cosecant = hypotenuse/opposite side

Secant = hypotenuse/adjacent side

Cotangent = adjacent side/opposite side

Therefore, looking at the given options, the trigonometric function that can be described as a reciprocal trig function is

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What is the formula to find the volume of the solid ?
tester [92]

Answer:

Step-by-step explanation:

This solid figure is a cone,

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3 years ago
Find the surface area of the rectangular prism. justify your answer 3ft, 2ft, 4ft
Gelneren [198K]

Answer: SA=52\ ft^2

Step-by-step explanation:

The surface area of a rectangular prism can be calculated with the following formula:

SA = 2wl + 2lh + 2hw

Where "l" is the length of the rectangular prism, "w" is the width and "h" is the height.

In this case you can say that the length, the width and the heigth of this rectangular prism, are the following:

l=4\ ft\\\\w=2\ ft\\\\h=3\ ft

Knowing these values, you can substitute them into the formula shown before:

SA = 2wl + 2lh + 2hw\\\\SA = 2(2\ ft)(4\ ft) + 2(4\ ft)(3\ ft)+ 2(3\ ft)(2\ ft)

Finally, you must evaluate in order to calculate the surface area of the rectangular prism.

You get that this is:

SA=2(8\ ft^2)+2(12\ ft^2)+2(6\ ft^2)\\\\SA=16\ ft^2+24\ ft^2+12\ ft^2\\\\SA=52\ ft^2

4 0
4 years ago
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