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3 years ago

Tell whether the following sequence is geometric or not. If geometric find r

Mathematics

2 answers:

Afina-wow [57]3 years ago

6 0

Answer:

not geometric because of the 4 at the beginning

PolarNik [594]3 years ago

3 0

Answer:

Step-by-step explanation:

We can observe the difference of terms is constant:

d = 1/3

The sequence is arithmetic, not geometric.

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Snezhnost [94]

Answer:

Step-by-step explanation:

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2 years ago

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Solve 3y^{2} - (y + 2) (y - 2)

hram777 [196]

Answer:

3y^2 - (y + 2) (y - 2) = 0

<=> 3y^2 - (y^2 - 4) = 0

<=> 2y^2 + 4 =0

<=>y^2 + 2 = 0

=> Because y^2 is always equal or larger than 0, there is no real solution.

Hope this helps!

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3 years ago

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How do u divide $1.12 & 8.2

LiRa [457]

Try using fraction, i think the ans is 28/205 ;)

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3 years ago

I CAN EXPLAIN A PROOF OF THE PYTHAGOREAN THEOREM.

Radda [10]

The answer should be 8 cm2

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3 years ago

If x= 19 feet and y = 12 feet, what is the area and perimeter of the figure above?

Delicious77 [7]

All we need to do to solve this problem is calculate the area of a rectangle and the area of a circle, then add them!

____________________________

First, let's do the rectangle!

Area of a rectangle = length x width

or in this case... Area = "x" times "y"

Area = 19 × 12 = 228 square feet!

________________________________

Now, let's do the circle!

Area of a circle = πr² ... (r = radius)

* In this diagram, the diameter of the circle is also the same length as "y"!

* And remember that radius is half of the diameter.

radius = 6

Now, let's actually calculate the area

Area = π(6)² ⇒ 36π

Area = 113.1 (I rounded up the decimals!)

_______________________________________

*But wait! Look at the figure! It looks like HALF of the circle's area was included when we calculated the area of the rectangle! This means that we should divide the area of the circle (that we just calculated) in half!

Area of the HALF CIRCLE = 113.1 ÷ 2 = 56.5

Now let's add the area of the rectangle to the area of the half-circle to find the area of THE ENTIRE FIGURE!

228 + 56.5 = 284.5

284.5 square feet is our answer!

6 0

2 years ago