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irinina [24]
3 years ago
10

5x-4y= -4

Mathematics
2 answers:
Anestetic [448]3 years ago
7 0

The question wants us to solve for the variable y so we are only going to solve for the variable y. Start by having all the terms with the variable you want to solve for on one side of the equation and the rest of the terms on the other side of the equation.

<h2><u>Solving for y.</u></h2>

1. Subtract 5x from both sides of the equation to keep the variable you are solving for, y, on the left side of the equation.

<h3>-4y = -4 - 5x</h3>

2. Now to finish solving for the variable y, you want to isolate y by performing the opposite of multiplication: division. Divide both sides by -4 to isolate and solve for y.

<h3>y = 1 + 5/4x</h3>

There's your answer. Hope this helped you! Please comment below if you have any further questions.

Otrada [13]3 years ago
6 0
So the difference is -8y
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Answer:

3,6,-2

Step-by-step explanation:

a+2a+b = 7

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3 years ago
Find the requested information based on the given facts. Base: $54,300: Total Sales: $950,000; Commission: 2.75% Determine the t
Dafna11 [192]

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$871068.25

Step-by-step explanation:

Given the base of starting the business is $54300 and the total sale after the business is $950000.

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Now, the commission has to be deducted from the profit at the rate of 2.75% of the profit.

Hence, total profit of the business is given by  

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6 0
3 years ago
Calculate the ratio of 3 nickels to 12 dimes.
irga5000 [103]

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4 0
3 years ago
Please help with math (30 points)
ikadub [295]

Here we have some problems about circles, the solutions are:

  • a) 490.6 yd^2
  • b) x = 15
  • c) x = 27

<h3>How to find the area of a circle?</h3>

We know that for a circle of diameter D, the area is given by:

A = pi*(D/2)^2

where pi = 3.14

In the image we can see that the diameter of the circle is 25 yd, replacing that in the area equation we get:

A = 3.14*(25yd/2)^2 = 490.6 yd^2

<h3>How to find the value of x?</h3>

<u>For the second image</u>, each line creates two 180° angles. So, if we look at the tilted line, we can see that it is divided in two angles, one of 37° and the other that depends of x, so we can write:

180° = 37° + (9x + 8)°

180° - 37° - 8°  = (9x)°

135°/9° = x = 15

So the value of x is 15.

For the last image:

Notice that we have a 90° angle denoted, then <u>the other 3 sections must add up to 270°.</u>

270° = 54° + (2x + 21)° + (5x + 6)°

Now we solve this for x:

270 - 54 - 21 - 6 = 2x + 5x

189 = 7x

189/7 = x = 27

x is equal to 27

If you want to learn more about circles, you can read:

brainly.com/question/25306774

8 0
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