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Westkost [7]
3 years ago
11

What's ∣x−2∣=∣4+x∣????

Mathematics
1 answer:
LuckyWell [14K]3 years ago
7 0

Answer:

in the chapter 7 in class 9 Ex 7.3

one time -  and second time +

Step-by-step explanation:

x-2=4+x

1) x-2=-(4+x)

  x-2=-4-x

  x+x=-4+2

  2x=-2

  x=-2/2

  x=-1

2) x-2=4+x

   =0

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8.
Pachacha [2.7K]

Answer:

C. y= 3(x + 2)^2 + 2

Step-by-step explanation:

A. Rewrite in vertex form and use this form to find the vertex  

( h , k ) . ( 2 , − 2 )

B. Rewrite in vertex form and use this form to find the vertex  

( h , k ) . ( − 2 , 2 )

C. Rewrite in vertex form and use this form to find the vertex  

( h , k ) . ( − 2 , 2 )

D. Rewrite in vertex form and use this form to find the vertex  

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6 0
2 years ago
2(10 – 24x) + y2<br> What is X equals<br> What is Y equals <br> What is the answer
kakasveta [241]

Answer:

X= 5/12 + 1/24y  

Y= -10 + 29x

Step-by-step explanation:

2(10- 24x)+ 2y                          2(10- 24x)+ 2y

20 - 48x +2y                            20 - 48x +2y

48x =20 +2y                            -2y = 20- 48x

/48   /48  /48                           /-2    /-2    /-2

x= 5/12 + 1/24y                         y= -10 +29x

8 0
3 years ago
The volume of a sphere is 4/3pi cm^3<br> what is the diameter of the sphere?
aleksandrvk [35]

The Diameter of sphere is 2cm.

Step-by-step explanation:

Given,

Volume of sphere = \frac{4}{3}\pi \ cm^3

Let,

diameter = d

As we know,

Volume of sphere = \frac{4}{3}\pi \ r^3

Therefore,

\frac{4}{3}\pi\ r^3 = \frac{4}{3}\pi \\Multiplying\ both\ sides\ by\ \frac{3}{4\pi }\\\frac{3}{4\pi }*\frac{4}{3}\pi \ r^3 = \frac{4}{3}\pi * \frac{3}{4\pi }\\r^3=1\\(r)^3=(1)^3\\r=1

We know that,

Diameter = 2r

Diameter = 2*1

Diameter = 2 cm

The Diameter of sphere is 2cm.

Keywords: Volume, Diameter

Learn more about diameters at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

3 0
3 years ago
A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o
Natasha_Volkova [10]

Answer:

<h2>A) 3 cm</h2>

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

r - radius

H - height

We have r = 1cm and H = 21cm. Substitute:

V=\pi(1^2)(21)=21\pi\ cm^3

The formula of a cone:

V=\dfrac{1}{3}\pi r^2H

r - radius

H - height

We have V = 21π cm³ and H = 7cm. Substitute:

\dfrac{1}{3}\pi(r^2)(7)=21\pi        <em>divide both sides by π</em>

\dfrac{1}{3}(7)(r^2)=21         <em>divide both sides by 7</em>

\dfrac{1}{3}r^2=3         <em>multiply both sides by 3</em>

r^2=9\to r=\sqrt9\\\\r=3\ cm

5 0
3 years ago
Read 2 more answers
The inventory of a store 2 years ago was worth $45,000. This year it is worth $49,500. What is the percent increase?
UkoKoshka [18]
It is 0.4500% hope this helps
7 0
3 years ago
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