All categories

3 years ago

Simplify. 3(2x+4y-2z)+7(x+y-4z)

Mathematics

2 answers:

maks197457 [2]3 years ago

7 0

Answer:

13x + 19y - 34z is correct.

Step-by-step explanation:

Distribute to get 6x + 12y - 6z + 7x + 7y - 28z, which combines to the answer.

can i have the braineist

Len [333]3 years ago

5 0

You might be interested in

Algebra 1

Harlamova29_29 [7]

Answer:

cl jsjsjsjnsmamansnsnannananann

4 0

2 years ago

in a game of tug of war your team moves -1 3/4 feet in position every 10 sec what is the change in position after 30 sec

Luda [366]

Hey, just get a stronger team lol

8 0

4 years ago

Jim cash the paycheck and went shopping he spent 3/8 of it on a mower 2/5 of it on at chainsaw and 180 On Tools if he has 270 le

Sever21 [200]

Declaration

Let the original amount of the paycheck be x

Equation

Paycheck - cost of mower - cost of chainsaw - 180 = 270

x - [(3/8)x + (2/5)x + 180] = 270

Solve

Change 3/8 and 2/5 to a common denominator and add.

3*5/8*5 + 2*8/5*8 = 15/40 + 16/30 = 31/40

x - [(31/40)x + 180] = 270 Remove the outer brackets

x - (31/40)x - 180 = 270 Evaluate the "x"s

40/40x - 31/40x - 180 = 270

9x/40 - 180 = 270 Add 180 to both sides

9x/40 = 180 + 270

9x/40 = 450 Multiply by 40

9x = 18000 Divide by 9

x = 18000/9

x = 2000

His paycheck was 2000 dollars.

8 0

3 years ago

Which of the following statements are true?

posledela

Answer:

A and D

Step-by-step explanation:

Sorry if its wrong.

6 0

4 years ago

Line K is represented by the equation y = 2x + 2. Line T goes through the points (–3, 3) and (6, 12). What is the point of inter

Serggg [28]

The point of intersection is (4,10)

Step-by-step explanation:

Line K is represented by the equation

$y=2x+2$

Line T goes through the points (-3,3) and (6,12), so its slope is

$m=\frac{12-3}{6-(-3)}=\frac{9}{9}=1$

We can now find the equation of the line using

$y-y_0 = m(x-x_0)$

and using the point $(x_0,y_0)=(-3,3)$ , we get

$y-3=1(x-(-3))\\y-3=x+3\\y=x+6$

So the equation of line T is

$y=x+6$

Now we can find the point of intersection between the lines K and T requireing that their y-coordinate is the same:

$2x+2=x+6\\2x-x=6-2\\x=4$

And substituting into one of the two equations to find the y-coordinate,

$y=x+6=4+6=10$

Therefore, the point of intersection is (4,10).

Learn more about intersection between lines:

brainly.com/question/3414323

#LearnwithBrainly

6 0

3 years ago