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2 years ago

Help fast plz are they similar or not

Mathematics

2 answers:

katrin2010 [14]2 years ago

6 0

They are similar. You want to count the lines and see if they have the same amount then you check if they have the same amount on the coordiating side

Arte-miy333 [17]2 years ago

5 0

Not. They are not similar they are regular I think so

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What is the solution to the system of equations graphed below? y = x - 2 y = 4x - 5

ololo11 [35]

There are 3 available methods - Substitution , Elimination and <span>Matrix.

</span>The substitution<span> method is used to eliminate one of the variables by replacement.
</span>
The elimination method<span> is used for solving linear systems.
</span>
<span>A Matrix is an array of numbers.
</span>
Lets use Substitution to solve this system.

$x-2=4x-5$

$-2=4x-5-x$

$-2=(4x-x)-5

 
$

$-2=3x-5$

$-2+5=3x$

$3=3x$

$3=3x / 3$

$x=1$

Now substitute <span> $x=1$
</span>
$y=x-2$

$y=1-2

 
$

$y=-1

$

Hence - $x=1
 
y=-1$

6 0

2 years ago

Write the equation of the line that passes through (3,3) and (1,-5).

Sati [7]

Answer:

y=4x-9

Step-by-step explanation:

Slope:

y2-y1=m(x2-x1)

subsitute the values

-5-3=m(1-3)

solve

-8=m-2

divide both sides by coefficient of x

/-2 /-2

4=m

y-intercept:

y=4x+b

subsitute

3=4(3)+b

solve

3=12+b

subtract 12 from both sides

-12-12

solve

-9=b

8 0

2 years ago

What is 33x98756<br><br> Pls help give me way with no calculator

kolezko [41]

You just start multiplying each number by three then once you are done with the first three you go down and add a 0. do it all over again. finally you add it up.

3 0

3 years ago

Read 2 more answers

How many ways can you write the ratio 7:20 as a fraction without zeros at the end?

Montano1993 [528]

I don’t really now but I think 70:2 or 7:21 I’m sorry I know i said wrong but ya

7 0

2 years ago

The following system has a solution: x=10, y=-3, z=14

wolverine [178]

<h2>Answer:</h2><h3>False</h3>

<h2>Step-by-step explanation:</h2>

In this problem, we have the following System of Three Equations in Three Variables, so our goal is to determine whether $x=10, \ y=-3, \ z=14$ is the solution to this system, that is, the ordered triple $P(x,y,z)$ where three planes intersect.

The easier way to find the answer is to plug in the x, y and z values in the equations and figure out whether the equations satisfy the solutions. Then:

$First \ Equation: \\ \\ 3(10)+7(-3)-14=-5 \\ \\ It \ satisfies \ the \ first \ equation \\ \\ \\ Second \ Equation: \\ \\ 9(10)-(-3)-4(14)=37 \neq 17 \\ \\ It \ doesn't \ satisfy \ the \ second \ equation$

STOP HERE! Since the x, y an z values doesn't satisfy the second equation, the $x=10, \ y=-3, \ z=14$ is not the solution to the system of equations.

5 0

2 years ago