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Nimfa-mama [501]
3 years ago
15

Simplify 2/5k - 3/5 + 1/10k

Mathematics
2 answers:
malfutka [58]3 years ago
6 0

The answer to this question, if I'm correct would be:

1/2k - 3/5

I hope I could help (:

Maru [420]3 years ago
6 0

Answer:

(5-6x)/10x

Step-by-step explanation:

To simplify 2/5k - 3/5 + 1/10k, first we will collect the like terms

(2/5k + 1/10k) - 3/5

We will find the LCM of the function in bracket

4+1/10k -3/5

= 5/10k - 3/5

Then we will expressed 5/10x in its lowest term

= 1/2x - 3/5

Lastly, we will find the LCM of the resulting function

= (5-6x)/10x

Simplified form of the equation is (5-6x)/10x

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x^2+y^2-12x+6y+36=0

Top Point: (6,0)

Left Point: (3,-3)

Right Point: (9,-3)

Bottom Point: (6,-6)

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Answer: A dome is an element of architecture that resembles the hollow upper half of a sphere. Half a circle called a semi-circle

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Ed wants to buy a new video game system which costs $250. he has
BARSIC [14]

The required equation is <u>135 + 9x > 250</u>.

The number of lawns Ed must mow is assumed to be x.

The amount Ed charges for each lawn he mows is $9.

Thus, the total amount Ed earns by mowing x lawns = $9x.

The savings which Ed has is $135.

Thus, the total amount Ed will have to spend can be written as the expression, $(135 + 9x).

The cost of the video game is given to be $250.

We are asked to write an equation, that can be used to find the number of lawns Ed mow, that is x so that the amount Ed has will be more than the amount he needs to buy the video game.

This can be shown as the equation:

Total amount Ed has > Cost of the video game,

or, 135 + 9x > 250.

Thus, the required equation is <u>135 + 9x > 250</u>.

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3 0
1 year ago
What is the volume of a hemisphere that
ch4aika [34]

<u>Given</u>:

Given that the diameter of the hemisphere is 12.6 cm

The radius of the hemisphere is given by

r=\frac{d}{2}=\frac{12.6}{2}=6.3

We need to determine the volume of the hemisphere.

<u>Volume of the hemisphere:</u>

Let us determine the volume of the hemisphere.

The volume of the hemisphere can be determined using the formula,

V=\frac{2}{3} \pi r^3

Substituting the values, r = 6.3 and π = 3.14, we have;

V=\frac{2}{3} (3.14)(6.3)^3

Simplifying the values, we have;

V=\frac{2}{3} (3.14)(250.047)

V=\frac{1570.29516}{3}

Dividing, we have;

V=523.43172

Rounding off to the nearest tenth, we get;

V=523.4

Thus, the volume of the hemisphere is 523.5 cm³

6 0
2 years ago
I need the answer and work
ad-work [718]
A) 2x +3

Plug in the x

2(4.1) + 3

8.2+ 3= 11.2

A is 11.2


B) 16-5y

Plug in the y

16 - 5(2.3)

16- 11.5= 4.5

B is 4.5


C) x+y

Plug in x and y

4.1 + 2.3= 6.4

C is 6.4




7 0
3 years ago
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