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Nostrana [21]
3 years ago
15

Solve the formula for the specific variable Z=x-y/3 Y=____

Mathematics
1 answer:
defon3 years ago
7 0

Answer:

-3(z-x) = y

Step-by-step explanation:

Z=x-y/3

Solve for y

Subtract x from each side

z-x = x- y/3 -x

z-x = -y/3

Multiply each side by -3

-3(z-x) = -y/3 * -3

-3(z-x) = y

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Y=-2 y=3x+1 in graph
Airida [17]

Answer:

The solution of the system is x=-1, y=-2

Step-by-step explanation:

we have

y=-2 ----> equation A

y=3x+1 ----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both lines

using a graphing tool

The intersection point is (-1,-2)

see the attached figure

therefore

The solution of the system is x=-1, y=-2

3 0
3 years ago
If you have 3.4 dozen eggs, how many eggs do you have?
xxMikexx [17]

Answer:

2 eggs

Step-by-step explanation:

3 0
3 years ago
Rationalise 2 divided by 2 square root 3​
ElenaW [278]

Answer:

\displaystyle \frac{\sqrt{3}}{3}

Step-by-step explanation:

\displaystyle \frac{2}{2\sqrt{3}} = \frac{1}{\sqrt{3}} = \boxed{\frac{\sqrt{3}}{3}}

I am joyous to assist you at any time.

5 0
3 years ago
What is the polar form of -3+ v3i?
Softa [21]
  • z=-3+√3i
  • a=-3,b=√3

So

\\ \rm\Rrightarrow r=\sqrt{a^2+b^2}

\\ \rm\Rrightarrow r=\sqrt{(-3)^2+(\sqrt{3})^2}

\\ \rm\Rrightarrow r=\sqrt{9+3}

\\ \rm\Rrightarrow r=\sqrt{12}

\\ \rm\Rrightarrow r=2\sqrt{3}

Find theta

\\ \rm\Rrightarrow \theta=tan^{-1}(\dfrac{y}{x})

\\ \rm\Rrightarrow \theta=tan^{-1}(\dfrac{\sqrt{3}}{3})

\\ \rm\Rrightarrow \theta=tan^{-1}(\dfrac{-1}{\sqrt{3}})

\\ \rm\Rrightarrow \theta=\dfrac{5\pi}{6}

Polar form

\\ \rm\Rrightarrow r(cos\theta+isin\theta)

\\ \rm\Rrightarrow 2\sqrt{3}(cos\dfrac{5\pi}{6}+isin\dfrac{5\pi}{6})

7 0
2 years ago
Tara has a balance of -$25.36 in her checking account. Tara takes a deposit to the bank in the amount of $25.36.
polet [3.4K]

Answer:

C. $0 because $25.36 and -$25.36 are additive inverses.

Step-by-step explanation:

Additive inverses means 2 numbers that are the complete opposite.

When additive inverses are added together, their sum is 0.

Example: 1 and -1.

They're both additive inverses because they're on the opposite sides on the number line, if -1 had to be a positive, it wouldn't be an inverse.

<u>Given:</u>

  • Before the deposit, her bank account balance is -25.36.
  • She has deposited $25.36 into her bank account.

<u>Solve:</u>

Let's add both -25.36 and 25.36.

-25.36 + 25.36 = 0.

C. is the correct choice, and the reasoning is valid.

3 0
3 years ago
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