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Vlad [161]
3 years ago
10

PLS HELP - 15 POINTS!! THANKS ! :)

Mathematics
1 answer:
brilliants [131]3 years ago
8 0

Answer:

k=3+6x

Step-by-step explanation:

the question says that k is an expression where x is a variable soo...

rewrite the given expressio with bases of 3

27×9^3x = 3k

3^3 × 3^2(3x) = 3k

Rule of exponent says that equal when you multiple you add exponent. Another rule says that equal bases cancel

3^6x+3 =3^k

6x+3=k

You might be interested in
My question is about Mathematics 25÷5 (2+3)=?. PLS ANSWER FAST.
Hatshy [7]
First, you resolve what is in between parenthesis and then x/÷ and after that +/-

25 ÷ 5 (2+3)
25 ÷ 5 x 5
5 x 5
25


Hope it helped,

Happy homework/ study/ exam!
3 0
3 years ago
The area of a cylinder is 25<img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="\pi" alt="\pi" align="absmiddle" cl
bixtya [17]

The diameter of cylinder is 2.28 cm and area of wrapper is 60.56π cm².

<h3>What is Cylinder?</h3>

A cylinder is a three-dimensional solid figure which has two identical circular bases joined by a curved surface at a particular distance from the center which is the height of the cylinder.

Here, Given area of cylinder = 25π cm²

          Height of cylinder = 11 cm.

Now, Area of Cylinder = 2πrh

                  25π = 2πr X 11

                   25 = 22r

                    r = 25 / 22

                  r = 1.14 cm

Then, diameter = 2r = 2 X 1.14 = 2.28 cm

Now area of wrapper = total surface area = 2πr(r + h)

                                    = 2π X 2.28 (2.28 + 11)

                                   = 4.56π X 13.28

                                   = 60.56π cm²

Thus, the diameter of cylinder is 2.28 cm and area of wrapper is 60.56π cm².

Learn more about Cylinder from:

brainly.com/question/3216899

#SPJ1

4 0
2 years ago
richie has a rug in his bedroom with a perimeter of 42 feet. the length of the rug is 12 feet what is the width of the rug
Usimov [2.4K]

The width of the rug is 9 feet.

Step-by-step explanation:

Perimeter of rug = 42 feet

Lengths are same in square and rectangle shapes; therefore;

Length of rug = 12 feet

Width of rug = w

Perimeter = Length + Length + Width + Width

Perimeter = 12+12+w+w

42=24+2w\\42-24=2w\\18=2w\\2w=18

Dividing both sides by 2

\frac{2w}{2}=\frac{18}{2}\\w=9

The width of the rug is 9 feet.

Keywords: perimeter, division

Learn more about division at:

  • brainly.com/question/10879401
  • brainly.com/question/10940255

#LearnwithBrainly

8 0
3 years ago
In young children, some brain cells have a ------- that
liubo4ka [24]

<u>In young children, some brain cells have a </u>plasticity <u>that enables them to take over the functions of damaged or </u><u>missing brain cells.</u>

  • Option E is correct as of the meaning of plasticity the quality of being easily shaped or moulded.
  • So according to meaning option E can be filled in the blank.
  • Option A is incorrect which means weak
  • Option B is incorrect which means a story told about past events remembered by the author.
  • Option C means having a very harmful or effect.
  • Option D is out as meaning unusual or strange in a very annoying or funny way.

Hence E is a suitable answer.

What is plasticity explain?

Plasticity, ability of certain solids to flow or to change shape permanently when subjected to stresses of intermediate magnitude between those producing temporary deformation, or elastic behaviour, and those causing failure of the material, or rupture (see yield point).

Learn more about plasticity

brainly.com/question/21219036

#SPJ4

7 0
2 years ago
???????????????????????????
Pie
X ≈ √17
The number on the number line is roughly 4.1, and if you square 4.1, then you get 16.81, which 17 is the closest to.
8 0
3 years ago
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