Y-7=2y (x-1) write the equation in standard form

1 answer:

4 0

In order for an equation to be in standard form, the equation has to be in Ax+By=c form, where A is equal to the coefficient of x and B is equal to the coefficient of y, whereas c is just the constant, or the number in the equation that isn't being multiplied to a variable. In this case, you should first distribute 2y into (x-1), and then you should perform inverse operations on terms on both sides of the equation such that one side of the equation will only have terms with x and y in them and the other side of the equation will only be a numerical value. When the equation is like this, then the equation is in standard form.

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X^3 - 2y^2 - 3x^3 + z^4

Andreyy89

Answer:

-2x³ - 2y² + z⁴

Step-by-step explanation:

Step 1: Write out expression

x³ - 2y² - 3x³ + z⁴

Step 2: Combine like terms (x³)

-2x³ - 2y² + z⁴

8 0

3 years ago

Can someone please tell me how to do equal values?

natulia [17]

Answer:

I think you just plug in the first equation to the or the second to the first, it’s actually does not matter. After that you just solve it. For example: we have two equations.

y=11-2x

y=x+2

We just plug in the first equation to the second one.

11-2x=x+2

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x=-3. So this is the answer. Hope this helps.

Step-by-step explanation:

3 0

3 years ago

A circle has a circumference of 10 inches. What is the radius of the circle?

fenix001 [56]

The formula for finding the radius of a circle while only knowing the circumference is r=C ÷ 2π. Substituting the value 10 for C, and 3.14 for π, we get:

r=10 ÷ 3.14 · 2 Now we divide 10 by 6.28
r≈1.59

8 0

3 years ago

Read 2 more answers

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LenKa [72]

The answer should be 6.80

4 0

2 years ago

On the way to work Juan carpools with a fellow co-worker then takes the city bus back home in the evening. The average speed of

podryga [215]

Answer:

$\frac{40r+100}{r(r+5)}$

Step-by-step explanation:

Let r represent speed in the carpool.

We have been given that on the way to work Juan carpools with a fellow co-worker then takes the city bus back home in the evening. The average speed of the 20-mile trip is 5 miles per hour faster in the carpool.

We know that time is equal to distance over speed.

The total distance is 20 mile. Time taken to travel 20 miles using carpool would be $\frac{20}{r}$