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STALIN [3.7K]
3 years ago
7

Would like some help please

Mathematics
2 answers:
GaryK [48]3 years ago
7 0

Equation:

- sqrt 315 / sqrt 5

Steps:

- sqrt 315 / sqrt 5

315 / sqrt 5     =     3^2  *   7 sqrt 5

- sqrt 3^2  *  7 sqrt 5

Simplify:

sqrt 3^2 sqrt 5  *   7 :        3 sqrt 7^4 sqrt 5

=         -3 sqrt 7^4 sqrt 5

Answer   =======>      −11.868963





Hope that helps!!!!                                      : )

babunello [35]3 years ago
6 0
2 is your answer! Snznzbsbsbdnd
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Can someone check this one for me , thank you!
Rudik [331]

Answer:

C

Step-by-step explanation:

Using sum/difference to product identity

• sin x - sin y = 2 cos(\frac{x+y}{2}) sin (\frac{x-y}{2})

with x = 4Θ and y = 2Θ

Then

sin(4Θ) - sin(2Θ)

= 2 cos(\frac{4o+2o}{2}) sin(\frac{4o-2o}{2})

= 2cos(3Θ)sinΘ → C

8 0
3 years ago
Write the equation of a line perpendicular to y=-12x+2 going through (0,-1)
DanielleElmas [232]

             \rule{50}{1}\large\blue\textsf{\textbf{\underline{Question:-}}}\rule{50}{1}

          <em>Write the equation of a line perpendicular to y=-12x+2 going </em>

<em>            through (0, -1)</em>

<em />

<em>      </em>\rule{50}{1}\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}

        First, let's take a look at our provided information:-

  • A line \text{y=-12x+2}
  • A point (0, -1)
  • The line \text{y=-12x+2} is perpendicular to the line that goes through (0, -1)

     If two lines are perpendicular to each other, their slopes are opposite reciprocals of each other.

   So we take the slope of the given line, which is -12, change its sign from minus to plus:-

\Large\textit{12}

And now, We flip the number over:-

\Large\text{$\displaystyle\frac{1}{12}$}

Now that we've found the slope of the line, let's find its equation.

     The first step is to write it in point-slope form as follows:-

\longmapsto\sf{y-y_1=m(x-x_1)}

Replace letters with numbers,

\longmapsto\sf{y-(-1)=\displaystyle\frac{1}{12}(x-0)}

On simplification,

\longmapsto\sf{y+1=\displaystyle\frac{1}{12} (x-0)}

On further simplification,

\longmapsto\sf{y+1=\displaystyle\frac{1}{12} x}

Subtracting 1 on both sides,

\longmapsto\sf{y=\displaystyle\frac{1}{12} x-1}

\Uparrow\texttt{Our equation in slope-intercept form}

<h3>Good luck with your studies.</h3>

#TogetherWeGoFar

\rule{300}{1}

5 0
2 years ago
Hi. I need some help on 15 and 16! Thank you!
Alenkinab [10]

Answer:

MN = 34, x = 7

Step-by-step explanation:

look at the file, cut off numbers are:

37

37

36

7 0
3 years ago
I need help with this, please!
Vera_Pavlovna [14]

Option D: x \geq 3 is the solution

Explanation:

The given expression is 3 x-1 \geq 8

We need to determine the solution of the expression.

<u>Solution:</u>

The solution of the expression can be determined by solving the expression for the variable x.

Thus, we have,

3 x-1 \geq 8

Adding both sides of the expression by 1, we get,

3x\geq 9

Dividing both sides of the expression by 3, we get,

x \geq 3

Thus, the solution of the expression is x \geq 3

Hence, Option D is the correct answer.

6 0
3 years ago
Write The decimal as a percent .065
grigory [225]

Answer:

6.5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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