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cupoosta [38]
3 years ago
9

3[(x-5)+2x] Please solve this very quickly, I need it right now.

Mathematics
2 answers:
enot [183]3 years ago
4 0

Answer:

9x - 15

Step-by-step explanation:

3[(x-5)+2x]

3(3x -5)

= 9x - 15

tadah!

I am Lyosha [343]3 years ago
3 0

Answer:

3(x-5) +2x

Expand:

3x -15+2x

3x+2x-15

5x -15

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İn the system equations above, n is a constant. İf the system has no solution, what is the value of n
jarptica [38.1K]

Answer:

  • n = - 6

Step-by-step explanation:

<u>Given is the system of linear equations:</u>

  • nx + 3y = 6
  • 12x - 6y = 0

<u>Convert both equations into slope intercept form:</u>

  • nx + 3y = 6 ⇒ 3y = - nx + 6 ⇒ y = - 1/3nx + 2
  • 12x - 6y = 0 ⇒ 6y = 12x ⇒ y = 2x

<u>The system has no solution if lines have equal slopes with different y-intercepts:</u>

  • -1/3n = 2
  • n = - 6
4 0
2 years ago
PLEASE HELP ME OUT!!
lara31 [8.8K]
The south side of town would be the better option.
7 0
3 years ago
2. Choose all that apply: What are the coordinate point(s) that cross the x-axis
Aleksandr-060686 [28]

Answer:

see explanation

Step-by-step explanation:

The points that cross the x- axis are also called

• x- intercepts

• zeros

• roots

• solutions

5 0
3 years ago
seven subtracted from 3 times a number is equal to 9 more than 5 times the number. what is the number? _______
Illusion [34]
3x - 7 = 5x + 9
3x - 5x = 9 + 7
-2x = 16
x = 16/-2
x = -8 <== ur number
6 0
4 years ago
I’m confused on this one
Mashutka [201]

Greetings!

The formula for the area of any triangle is as followed:

A_{triangle}=\frac{bh}{2}

-------------------------------------------------------------------------------------------------------------

<u>Let Statements:</u>

Let the variable...

→ b represent the length of the base of the triangle

→ h represent the length of the height of the triangle

-------------------------------------------------------------------------------------------------------------

Using the information provided from the question, we can substitute its values in place of the variables and solve for the last remaining variable:

10=\frac{(4)(x+3)}{2}

Distribute the parenthesis<em> (The Distributive Property) </em>:

10=\frac{((4)(x)+(4)(3))}{2}

10=\frac{4x+12}{2}

Reduce the fraction to lowest terms:

10=2x+6

Add -6 to both sides of the equation:

(10)+(-6)=(2x+6)+(-6)

4=2x

Divide both sides of the equation by 2:

\frac{4}{2}=\frac{2x}{2}

2=x

-------------------------------------------------------------------------------------------------------------

The Answer to this Problem is:

\boxed{x=2}

-------------------------------------------------------------------------------------------------------------

I hope this helped!

-Benjamin

5 0
3 years ago
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