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3 years ago

⚠️PLEASE ANSWER I WILL GIVE BRAINLEST⚠️

Mathematics

1 answer:

Taya2010 [7]3 years ago

8 0

Answer:

The rise is 3.6 and the run is 1

Step-by-step explanation:

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Given a quadratic function, y=x2+bx+c what happens to the graph when "a" is positive? A.the parabola opens down, the vertex is t

Llana [10]

Answer:

Step-by-step explanation:

The parabola opens up. Which means the vertex is the minimum value.

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3 years ago

5x+20y=4<br> x=-4y+1<br><br> Solve for x/y

Andrews [41]

Hi there!

Looks like a lot of work is going on here.

Let's start by solving this equation for the x.

$5x + 20y = 4$

Step 1) Add -20y to both sides.

$5x + 20y + - 20y = 4 - 20y 5x = -20y + 4$

Step 2) Divide both sides by 5.

$\frac{5x}{5} = \frac{-20y + 4}{5}$

$x = -4y + \frac{4}{5}$

Final Answer:

$x = -4y + \frac{4}{5}$

Now, let's solve for y.

Step 1) Add -5x to both sides.

$5x + 20y + - 5x = 4 + - 5x 20y = -5x + 4$

Step 2) Divide both sides by 20.

$\frac{20y}{20} = \frac{-5x + 4}{20}$

$y = \frac{-1}{4} x + \frac{1}{5}$

Final Answer:

$y = \frac{-1}{4} x + \frac{1}{5}$

Hope this helps! :D

Hint - When you have two variables in an equation, and you want to solve for one, the other will end up in your answer. :)

6 0

3 years ago

A washer and dryer cost $803 combind the washer costs $47 less then the dryer whats is the cost of the dryer

Naddik [55]

Answer:

the dryer costs $425

Step-by-step explanation:

x = washer

y = dryer

x + y = 803

x = y - 47

using the second equation a substitute in the first equation we get

y - 47 + y = 803

2y = 850

y = $425

FYI

x = y - 47 = 425 - 47 = $378

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Explanation: subtract orange from red orange=35 red=25 35-25=10 hope this helps have a great day!

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2 years ago

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Step-by-step explanation:

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