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Varvara68 [4.7K]
2 years ago
13

A proportional relationship i shown below.Select the equation that correctly represents the relationship between the cost and th

e number of pizzas
PLEASE HELP AND DONT MAKE A JOKE OUT OF THIS

Mathematics
1 answer:
enyata [817]2 years ago
8 0
C=7n because
28 divided 4 is 7
7 is the proportional
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Step-by-step explanation:

F= 9/5(C + 32)

5/9 F = C + 32

C = 5/9 F - 32

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What is 25 minus 30 ( practice question )
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The answer is negitive 5
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What is the general process for solving an equation with one variable?
elena55 [62]
Greetings!

"<span>What is the general process for solving an equation with one variable?"...

Typically when solving an equation with one variable, your objective is to isolate the variable on one side of the equation. This can be done adding/subtracting number to cancel them out on one side. You can also multiply/divide coefficients in order to isolate a variable.

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5 0
3 years ago
Does anyone know what the slope equation is for this graph. PLz explain if you can. Ty!
yKpoI14uk [10]
<h3>Answer:   y = (-3/2)x+3</h3>

In decimal form, this is y = -1.5x+3

=========================================

Explanation:

Start at (0,3). Move three units down and two units to the right to get to (2,0)

slope = rise/run

slope = -3/2

rise = -3 = go 3 units down

run = 2 = go 2 units to the right

--------------------------

We could use the two points (0,3) and (2,0) in the slope formula below

m = (y2-y1)/(x2-x1)

m = (0-3)/(2-0)

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So this is another way to see the slope is -3/2

--------------------------

The y intercept is where the graph crosses the vertical y axis. In this case, it's at 3. So b = 3

Using m = -3/2 and b = 3, we go from y = mx+b to y = (-3/2)x+3 which is equivalent to y = -1.5x+3

5 0
3 years ago
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2xy-3x+4xy+8x simplified?
photoshop1234 [79]
2xy - 3x + 4xy + 8x
(Try to bring xy species together & x-type together)
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So, Your Answer would be 6xy + 5x

Hope this helps!
3 0
3 years ago
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