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AURORKA [14]
3 years ago
13

Expand c(3c - 3) I need help on this

Mathematics
2 answers:
Rudik [331]3 years ago
4 0

\\ \sf\longmapsto c(3c-3)

Apply distributive law

  • a(b-d)=ab-ad

\\ \sf\longmapsto 3c(c)-3(c)

\\ \sf\longmapsto 3c^2-3c

We can still take common

\\ \sf\longmapsto 3c(c-1)

Finger [1]3 years ago
4 0

Answer:

3c² - 3c

Step-by-step explanation:

c(3c - 3)

=> c(3c) - c(3)

=> 3c² - 3c

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The graph of x2+y2=9 is shown on the grid
Angelina_Jolie [31]

Answer:

no solutions found

Step-by-step explanation:

x2+y2=9  -  -  -  -  - (1)\\ x+y=2 -  -  -  -   -  - (2) \\ from \: equation \: (2) \\ y = 2 - x \\ substitute \: into \: equation \: (1) \\ x {}^{2}  + 2 {}^{2}  - x {}^{2}  = 9 \\

Step by Step Solution

More Icon

the equation by subtracting what is to the right of the equal sign from both sides of the equation :

x^2+2^2-x^2-(9)=0

STEP

1

:

Equation at the end of step

1

:

(((x2) + 22) - x2) - 9 = 0

STEP

2

:

Equation at the end of step 2

-5 = 0

STEP

3

:

Equations which are never true:

3.1 Solve : -5 = 0

This equation has no solution.

A a non-zero constant never equals zero.

no solutions found

5 0
3 years ago
A car is traveling at a rate of 54 kilometers per hour. What is the car's rate in kilometers per minute?
Nutka1998 [239]

Answer: 3.6

Step-by-step explanation: What i did was determined how many minutes are in a hour which are 60 minutes. so due to the fact that you're looking for the travel in (15) "minutes" I had to divide 54 by 15. Which gives you 3.6

6 0
3 years ago
Please help me <br> Find x
Elden [556K]

Your question has been heard loud and clear.

This is a right triangle , which means it has a hypotenuse ( longest side of the triangle)

X is the length of the hypotenuse. We need to find x.

By Pythagoras theorem ,

Side^2+side^2= Hypotenuse^2

2.5^2+3^2= x^2

= 6.25+9=x^2

15.25=x^2

So , x = root of 15.25 =  3.9

Therefore , x= 3.9

Thank you

3 0
3 years ago
Read 2 more answers
I will give extra points please help
Jlenok [28]

Answer:

x/3≤5

Step-by-step explanation:

Write the sentence into symbols

4 0
3 years ago
Find the size of an angle which is five times its supplement ​
zavuch27 [327]

Two supplementary angles when addd together equal 180.


let one angle = x

The second angle is 5 times that so would be 5x


x + 5x = 180

Simplify:

6x = 180

Divide both sides by 6:

X = 30

One angle is 30, the second angle would be 150


The answer is 150

7 0
2 years ago
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