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rosijanka [135]
2 years ago
6

Solve the equation for y -8x+4y=20

Mathematics
1 answer:
Pavel [41]2 years ago
7 0

Answer:

8x-5y=-20

Step-by-step explanation:

First you have to collect it like terms (5y-8x=20

Then reorder the terms (-8x+5y=20)

Next is to change the signs (8x-5y=-20)

Then you have your answer

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Read 2 more answers
Find the missing side lengths. Leave your answers in simplest radical form.
saveliy_v [14]
ANSWER:
d. x = 15, y= 15√3

EXPLANATION:
This is a special triangle, more specifically a 30-60-90 degree triangle. For sake of not confusing x and y, we will use z to use as our reference for solving this triangle. The side lengths for each angle are as follows:
• 60 degrees = z√3
- this is the value for your y answer
• 30 degrees = z
- this is the value for your x answer
• Hypotenuse = 2z
- this is what we already have

We solve for what we already have which is the Hypotenuse = 30:
2x = 30
x = 15

We now have our x value which is 15.
Now we just plug in that x value for every expression for every angle.

x = 15
y = 15√3

Sorry if I explained it too thoroughly but I’ll be glad to answer any questions or clarifications



8 0
2 years ago
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