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Sholpan [36]
3 years ago
15

Which of the following is an arithmetic sequence?

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0
[ -6,1,8,15,22....] ithink it correct option
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Area of composite figures worksheet. How do you solve it. Step-By-Step​
Grace [21]

Answer:

The area of the combined figure is 49.8 cm

Step-by-step explanation:

We first see that there is a semicircle, which represents half of a full circle. We must find the area of such an entire circle, so we have to divide its entire area by two since only half of such an area is represented:

The area of a circle is given by:

<h3>Ac = π * r²</h3>

In this case, the radius is given by half the base of the rectangle.

<h3>R = 5/2 = 2.5 cm</h3>

So much so that the radius of that radius is 2.5cm, we now consider the pi to be a constant measure of 3.14

<h3>Ac = 3.14 * (2.5)²</h3><h3>Ac = 3.14 * 6.25 cm</h3><h3>Ac = 19.625 cm</h3>

Remember that we are only representing half of the circle, therefore, we must divide the area by two:

<h3>Ac/2 = 19.625 / 2 = 9.8 <em>(</em><em> </em><em>aproximate</em><em> </em><em>)</em></h3>

Now we proceed to find the area of the rectangle, whose height is 8 cm, and base equal to 5 cm.

Since the area of a rectangle is given by multiplying the base times the height, we have:

<h3>Ar = B * H </h3><h3>Ar = 5 cm * 8 cm</h3><h3>Ar = 40 cm</h3>

In this case the figure is complete, there is no need to divide.

To find the full area, we must add the area of the half circle more the area of the newly found rectangle:

<h3>Overall area = 9.8 cm + 40 cm = 49.8 cm</h3>

By so:

<h3>The area of the combined figure is 49.8 cm</h3>
5 0
2 years ago
5.7005 million in figures???
Reika [66]

Answer:

5,700,500

Step-by-step explanation:

5.7005 million

5.7005 million

Million is written as 1,000,000

Now:

5.7005million is 5.7005 x 1,000,000

This gives: 5,700,500

8 0
2 years ago
Read 2 more answers
Find a formula for the arithmetic sequence consisting of the positive multiples of 4
GarryVolchara [31]

9514 1404 393

Answer:

  4n

Step-by-step explanation:

For positive multiple number 'n', the value is 4n.

  a[n] = 4n . . . . . where a[n] is the n-th term of the sequence

8 0
3 years ago
If A bag of chips is 1.29 and the drink cost 0.89 how much will it cost with a coupon for 0.75
harina [27]

Answer: I believe it would be 2.90

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the answer in simplest term?
Burka [1]

Answer:

3*sqrt(3x)

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

2x

Step-by-step explanation:

To rationalize the denominator, we need to get rid of the square root.  We need to multiply by sqrt(12x)/sqrt(12x)

9              sqrt(12x)

----------  * -----------

sqrt(12x)      sqrt(12x)

9sqrt(12x)

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

12x

We can cancel  3 in the top and bottom

3sqrt(12x)

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

4x

We also notice that 12 is made up of 4 and 3

3sqrt(4) sqrt(3x)

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

4x

3sqrt(4) sqrt(3x)

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

4x

3*2sqrt(3x)

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

4x

We can cancel a 2 in the top and bottom

3*sqrt(3x)

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

2x

8 0
3 years ago
Read 2 more answers
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