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lukranit [14]
3 years ago
9

What is 4y-x+7+5y+3x-9

Mathematics
1 answer:
zimovet [89]3 years ago
4 0

Answer:

2 x + 9 y − 2

Step-by-step explanation:

If you're just looking to simplify and/or combine like terms, here's your answer: 2 x + 9 y − 2

Glad I could help!!

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Hey please help if u can!
DedPeter [7]
Sorry honey I would help but I didn’t learn that yet! The circumstances are crazy now!
4 0
3 years ago
Read 2 more answers
Which of these describes the system of linear equations below?
Nataly [62]

Given:

The system of equations is

3x-2y=7

6x-4y=14

To find:

The correct statement for the given system of equations.

Solution:

On comparing the given equations and general form of linear equation, i.e., ax+by+c=0, we get

a_1=3,b_1=-2,c_1=-7

a_2=6,b_2=-4,c_2=-14

Here,

\dfrac{a_1}{a_2}=\dfrac{3}{6}=\dfrac{1}{2}

\dfrac{b_1}{b_2}=\dfrac{-2}{-4}=\dfrac{1}{2}

\dfrac{c_1}{c_2}=\dfrac{-7}{-14}=\dfrac{1}{2}

Since, \dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}, therefore, the two equations are equivalent and the system has infinitely many solutions.

Hence, the correct option is b.

4 0
3 years ago
The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours:
sesenic [268]

Using linear function concepts, it is found that the speed of the motorboat is of 22 miles per hour.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

In this problem, each second, the position increased by 22, hence the slope is of 22. Since velocity is the distance divided by the time, which in this problem is the slope, the speed of the motorboat is of 22 miles per hour.

More can be learned about linear function concepts at brainly.com/question/24808124

#SPJ1

4 0
2 years ago
X+8 &gt; 18 how do you solve it
mixer [17]

Answer:

move eight to the other side of the sign by subtracting it from both sides x>10

8 0
3 years ago
Alex and Ben were given a total of £360 they shared the money in the ratio 5:7 Ben received more money then Alex.how much more?
Aleks [24]
First
360 divided by 12=30
alex got=30 multiply 5=150
ben got=30 x 7 =210
so ben got 60 more than alex
6 0
3 years ago
Read 2 more answers
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