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elena-s [515]
3 years ago
14

Py+7=6y+q what is the answer for this question (linear equations with unknown coefficients)?

Mathematics
2 answers:
Temka [501]3 years ago
3 0
Assuming your solving for y:
py+7=6y+q
-6y -7 -6y -7
(p-6)y = q-7
divide both sides by p-6
y=(q-7)/(p-6)
kompoz [17]3 years ago
3 0

Answer:

The required equation is  y =\frac{(q-7)}{(p-6)}.

Step-by-step explanation:

Consider the provided equation.

py+7=6y+q

We need to simplify the equation and convert it into a linear equation with unknown coefficients.

Subtract 6y from both sides.

py - 6y + 7 = q

Subtract 7 from both sides.

py - 6y = q - 7  

Take y common from left side.

y(p-6) = q-7

 Divide both sides by p-6.

 y =\frac{(q-7)}{(p-6)}

Hence, the required equation is  y =\frac{(q-7)}{(p-6)}.

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{3x - 2y = 10 <br> {2x + 3y = 11
Softa [21]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

(4, 1)

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

~Solve by Graphing~

  • I graphed the given equations in a program.
  • The point of intersection, if the lines pass, would be the solution.
  • The point of intersection in the given system of equations is (4,1).
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  • See the graph attached.

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»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

4 0
3 years ago
Read 2 more answers
Which of the following is the domain of the function y = √x + 4 - 3
sweet [91]

y=\sqrt{x+4}-3\\\\Domain:\\\\x+4\geq0\ \ \ \ |-4\\x\geq-4\to x\in[-4,\ \infty)

4 0
3 years ago
The total charge for a taxi ride in NYC includes an initial fee of $3.75 plus $1.25 for every 1/2 mile traveled. Jodi took a tax
tatyana61 [14]
1.25 for every half mile.....this means it is 2.50 for every mile

3.75 + 2.50m = 12.50
2.50m = 12.50 - 3.75
2.50m = 8.75
m = 8.75 / 2.50
m = 3.5 <=== Jodi traveled 3.5 miles (or 3 1/2 miles)
4 0
3 years ago
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Solve: <br> x+y=5<br> x-4y=20
WARRIOR [948]

Answer:

x=8

y=-3

Step-by-step explanation:

let

x+y=5........ equation 1

x-4y=20....... equation 2

x=20+4y

substituting the value of x in eq 1

x+y=5

20+4y+y=5

5y=5-20

y=-15/5

y=-3

again putting the value of y in eq 2

x=20+4y

x=20+4(-3)

x=20-12

x=8

6 0
2 years ago
Two skateboarders, Ron and Bob, are traveling in opposite directions.Ton travels at 8 feet per second and bob travels at 10 feet
omeli [17]

Time taken before they are 2640 feet is 146.67 seconds

<em><u>Solution:</u></em>

The distance is given by formula:

distance = speed \times time

<em><u>Ton travels at 8 feet per second</u></em>

Let us assume, time taken = t

speed = 8 feet per second

Then, distance is given as:

Distance covered by Ton = 8t

<em><u>Bob travels at 10 feet per second</u></em>

Then, distance is given as:

Distance covered by Bob = 10t

How long will it take before they are 2640 feet

Which means,

Distance covered by Ton + Distance covered by Bob = 2640

8t + 10t = 2640\\\\18t = 2640\\\\Divide\ both\ sides\ of\ equation\ by\ 18\\\\t = 146.67

Thus time taken before they are 2640 feet is 146.67 seconds

<h3><u>Method 2:</u></h3>

Since trains are moving in opposite directions, their speeds must be added

speed = 8 + 10 = 18 feet per second

Given distance = 2640 feet

Therefore, time taken is:

time = \frac{distance}{speed}\\\\time = \frac{2640}{18} = 146.67 \text{ second }

Thus time taken before they are 2640 feet is 146.67 seconds

4 0
4 years ago
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