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3 years ago

Is 2CO + 2NO → 2CO2 + N2 balanced

Mathematics

1 answer:

Advocard [28]3 years ago

7 0

Yes, the equation is balanced. (brainliest?)

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How to solve 2(-3x + 4) = 5x + 2

ryzh [129]

Answer:

x = 6/11

Step-by-step explanation:

2(-3x + 4 ) = 5x + 2

-6x + 8 = 5x + 2

- 2 - 2

-6x + 6 = 5x

+6x +6x

6 = 11x

/11 /11

6/11 = x

8 0

2 years ago

NO LINKS!! Use the method of substitution to solve the system. (If there's no solution, enter no solution). Part 11z

Roman55 [17]

Answer:

$(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}$

$(x,y)=\left(\; \boxed{5,16} \; \right)\quad \textsf{(larger $x$-value)}$

Step-by-step explanation:

Given system of equations:

$\begin{cases}y=x^2-9\\y=4x-4\end{cases}$

To solve by the method of substitution, substitute the first equation into the second equation and rearrange so that the equation equals zero:

$\begin{aligned}x^2-9&=4x-4\\x^2-4x-9&=-4\\x^2-4x-5&=0\end{aligned}$

Factor the quadratic:

$\begin{aligned}x^2-4x-5&=0\\x^2-5x+x-5&=0\\x(x-5)+1(x-5)&=0\\(x+1)(x-5)&=0\end{aligned}$

Apply the zero-product property and solve for x:

$\implies x+1=0 \implies x=-1$

$\implies x-5=0 \implies x=5$

Substitute the found values of x into the second equation and solve for y:

$\begin{aligned}x=-1 \implies y&=4(-1)-4\\y&=-4-4\\y&=-8\end{aligned}$

$\begin{aligned}x=5 \implies y&=4(5)-4\\y&=20-4\\y&=16\end{aligned}$

Therefore, the solutions are:

$(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}$

$(x,y)=\left(\; \boxed{5,16} \; \right)\quad \textsf{(larger $x$-value)}$

6 0

11 months ago

Read 2 more answers

MATH please answer please answer

Ilya [14]

Answer:

you can fit 1000 hairs in 10 cm

Step-by-step explanation:

$10^2= .01$

$.01*1000 = 10$

6 0

3 years ago

Read 2 more answers

Please help 20% of 3km = ?

Lorico [155]

20% of 3km is 0.6 Kilometer

8 0

3 years ago

It costs $11.18 to buy 13 cans of cranberry sauce. If the cans all cost the same amount, what is the price of each can?

AnnyKZ [126]

Answer:

Each can costs $0.86

Step-by-step explanation:

We find the unit price by dividing the cost by the number of cans.

11.18/13 = 0.86

I hope this helped and please mark me as brainliest!

8 0

2 years ago

Read 2 more answers