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Veseljchak [2.6K]
3 years ago
8

Find the 30in term if the following sequence 1, 7, 13, 19

Mathematics
1 answer:
Fiesta28 [93]3 years ago
7 0
The 30th term is 180
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Find the value of x. if needed round to the nearest tenth.
Levart [38]

Answer:

b dancers because I said to be

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3 years ago
Suppose , varies jointly with g and v, and j = 2 when g = 4 and v= 3.
kap26 [50]

Answer:

j = 44/3

Step-by-step explanation:

j varies jointly as g and v. This can be represented mathematically as:

j \alpha gv\\j = kgv.............(1)

Where k is a constant of proportionality

j = 2 when g = 4 and v = 3

Substitute these values into equation (1)

2 = k * 4 * 3

2 = 12 k

k = 1/6

when g = 8 and v = 11:

j = (1/6) * 8 * 11

j = 44/3

7 0
3 years ago
I need help with this also. (homework due tomorrow)
Alla [95]

Answer:

Using Pyhagoras theoram,

(H)^2 = (B)^2 + (P)^2

B = 13 in

P = 5 in

(h)^{2}  = (13)^{2}  +  {(5)}^{2}  \\ =  >  (h)^{2}  =  169 + 25 \\  =  > (h)^{2}  = 194 \\  =  > h =  \sqrt{194}  \\  =  > h = 13.92

Hence, the missing side is 13.92 inhes.

3 0
3 years ago
Read 2 more answers
Show work plz!!!!!!!!!!!!!
dexar [7]

Here, we have been asked to find the order of rotational symmetry of a symmetry of a regular pentagon. First let us learn about rotational symmetry and some basic terms related to it.

1. Rotational Symmetry: -

It is the property a shape has when it looks the same after some rotation by a partial turn. For example: - an equilateral triangle will look the same after a partial rotation of 120∘

2. Centre of rotation: -

The fixed point around which the rotation occurs is called the centre of rotation. For example: - the centre of rotation of a fan is the centre of the fan from which its blade originates.

3. Angle of Rotational Symmetry: -

The angle of rotational symmetry is the smallest angle for which the figure can be rotated to coincide with itself. For example: - the angle of rotation of an equilateral triangle is 120∘

4. Order of Rotational Symmetry: -

The order of rotational symmetry of a shape is the number of times it can be rotated around a full circle and still look the same. For example: - an equilateral triangle can be rotated 3 times around a full circle, each time at the angle of 120∘

, so its order of rotation will be 3.

In general, a regular polygon having n – sides have ‘n’ lines of symmetry and their order of rotational symmetry is ‘n’.

Now, let us come to the question. We have to find the order of rotational symmetry of a regular pentagon.

We know that a regular pentagon has 5 sides.

<h3> Hence, it will have 5 lines of symmetry and its order of rotational symmetry will be 5.</h3>
4 0
3 years ago
Write an expression to represent the given statement. Use n for the variable.
inna [77]

Answer:

3|n + 6|

Step-by-step explanation:

Let n represent the variable.

"The absolute value of the sum of a number and 6" is |n + 6|.  Therefore:

"Three times that" is 3|n + 6|.

8 0
3 years ago
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