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2 years ago

HELP ME SOMEONE IS CHASING ME HELP>>>>>

Mathematics

2 answers:

mario62 [17]2 years ago

7 0

Answer:

How do I help? This scenario makes no sense

DENIUS [597]2 years ago

3 0

Answer:

Suppose NOL -> QRM is a reflection across the x-axis. If O(-3, 8) what is the y coordinate of R?

Step-by-step explanation:

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The original selling price was $179.39 the sale price was $154.15 what was the percent mark down

natima [27]

Answer:

25.24 was the mark down

16.374%

Step-by-step explanation:

4 0

3 years ago

Somebody pleassseee tell me if I’m doing this right or wrong Pleassee

Degger [83]

Answer:

-4.5

Step-by-step explanation:

$6x+5.5=3x-8\\$

$6x-3x=-8-5.5$

$3x=-13.5$

$x=\frac{-13.5}{3}$

$x=-4.5$

4 0

3 years ago

Jaime graphed the quadratic y=-2x^2-12x+3. The equation of the line of symmetry of the function is x=-3 What is the vertex of th

miv72 [106K]

Vertex is (-3 , 21 ) you can put <span>y=-2x^2-12x+3 in google and you will see the function</span>

3 0

3 years ago

Read 2 more answers

Solve x plssssss :)))))

blondinia [14]

Answer:

x = 43

Step-by-step explanation:

180 - 65 = 115

115 = x + 72

43 = x

x = 43

7 0

3 years ago

Solve the system of linear equations for x and y.(cos θ)x + (sin θ)y=1(−sin θ)x + (cos θ)y = 0x=y=

lys-0071 [83]

Answer:

$\bold{x =cos\theta}\\\bold{y=sin\theta}$

Step-by-step explanation:

The given system of linear equations is:

$(cos\theta)x+(sin\theta)y=1\\(-sin\theta)x+(cos\theta)y=0$

We have to solve the equations for the values of $x, y$ .

Let us use elimination method in which we eliminate one of the variables from the two variables.

For this, let us multiply the first equation by $sin\theta$ and second equation by $cos\theta$

Now, the equations become:

$(cos\theta.sin\theta)x+(sin\theta.sin\theta)y=sin\theta\\\Rightarrow (cos\theta.sin\theta)x+(sin^2\theta)y=sin\theta ....... (1)\\\\(-sin\theta.cos\theta)x+(cos\theta.cos\theta)y=0\\\Rightarrow (-sin\theta.cos\theta)x+(cos^2\theta)y=0 ..... (2)$

Now, let us add (1) and (2):

$(sin^2\theta)y+(cos^2\theta)y=sin\theta\\\Rightarrow (sin^2\theta+cos^2\theta)y=sin\theta\\\Rightarrow (1)y=sin\theta\\\Rightarrow y = sin\theta$

Using the equation:

$(-sin\theta)x+(cos\theta)y=0$

Putting value of $y$ :

$\Rightarrow (-sin\theta)x+(cos\theta)sin\theta=0\\\Rightarrow (sin\theta)x=(cos\theta)sin\theta\\\Rightarrow x = cos\theta$

So, the answer to the system of linear equations is:

$\bold{x =cos\theta}\\\bold{y=sin\theta}$

7 0

3 years ago