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nevsk [136]
3 years ago
15

What would be the equation -2x+y+3=0 in y=mx+b form?

Mathematics
1 answer:
ololo11 [35]3 years ago
8 0

Answer:

The answer is y = 2x - 3.

Step-by-step explanation:

Move 2x to the right side of the equation by adding it to both sides:

-2x + y + 3 = 0

<u>+ 2x             + 2x</u>

y + 3 = 2x

Then, move 3 to the right side of the equation by subtracting it form both sides:

y + 3 = 2x

<u>   - 3    - 3</u>

y = 2x - 3

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What is the slope of the line?
rodikova [14]

Answer:

Step-by-step explanation:

If you look careful,the line is passing throw the middle of the square which that means 0,5=>1/2

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3 years ago
A box of 15 cookies costs $9dollar sign, What is the cost for 1 cookie?
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Answer:

1.6666666667

Step-by-step explanation:

15 / 9 = 1.6666666667

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How to graph the function f(x)=-2/3x+490
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Start on the y-axis and put a point at 490 bc it the y-intercept and then from there go up 2 and right 3 and put a point there and keep going and to go down you just go down 2 and left 3 and the point it.
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3 years ago
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Cammie can mow 1/2 acre in 25 minutes. If her rate is constant, Cammie says she can mow 1 1/4 acres in one hour. Is Cammie corre
wlad13 [49]

Answer: No, Cammie is not correct. She can mow  1\frac{1}{5}\ acres in one hour (See explanation).

Step-by-step explanation:

Convert the mixed number to an impoper fraction:

1. Multiply the whole number part by the denominator of the fraction and add the product to the numerator.

2. The denominator does not change.

Then:

1\frac{1}{4}=\frac{(1*4)+1}{4}=\frac{5}{4}

Let be "x" the acres Cammie can mow in one hour.

You know that she can mow \frac{1}{2}\ acre in 25 minutes, then you can set up the following proportion (Remember that 1 hour has 60 minutes):

\frac{\frac{1}{2}}{25}=\frac{x}{60}

Solving for "x", you get:

\frac{\frac{1}{2}}{25}=\frac{x}{60}\\\\(60)(\frac{1}{50})=x\\\\x=\frac{6}{5}

Convert from improper fraction to mixed number:

1. When you divide 6 by 5, the quotient is 1. This will be the whole number part.

2. The remainder is 1. This will be the numerator.

3. The denominator does not change.

Then:

x=1\frac{1}{5}

Therefore, she can mow  1\frac{1}{5}\ acres in one hour.

5 0
3 years ago
I need help please this not something I'm good at this is not my strong boat
aleksandrvk [35]
Intercepts are when one value is 0...like when x is 0, the point would be the y intercept....
x intercept is 4 
y intercept is 5

slope:  y2 - y1/x2 - x1
slope = 0 - 5/4 - 0
slope = -5/4

the for the equation plug in any points from the line.

y = mx + b
5 = -5/4(0) + b
5 = B

y = -5/4x + 5 is the equationh to the line
4 0
4 years ago
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