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3 years ago

10 + (2 x 3)2 ÷ 4 × 1 over 2 to the power of 3

Mathematics

1 answer:

sukhopar [10]3 years ago

8 0

Exact form = 83 over 8

Decimal form = 10.375

Mixed number = 10 and 3 over 8

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Find x for,<br> sin⁻¹ 4x + sin⁻¹ 3x = -<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Cpi%20%7D%7B2%7D" id="TexFormula1" title="\

Novay_Z [31]

<h2>Explanation:</h2><h2></h2>

Let's solve this problem graphically. Here we have the following equation:

$sin^{-1}(4x) + sin^{-1}(3x) = -\frac{\pi}{2}$

So we can rewrite this as:

$f(x)=sin^{-1}(4x) + sin^{-1}(3x) \\ \\ g(x)= -\frac{\pi}{2}$

So the solution to the equation is the x-value at which the functions f and g intersect. In other words:

$f(x)=g(x) \\ \\ sin^{-1}(4x) + sin^{-1}(3x) = -\frac{\pi}{2}$

Using graphing calculator, we get that this value occurs at:

$\boxed{x=-0.2}$

3 0

3 years ago

6a squared - 15a - 8a + 20

Sav [38]

Heya!

Here is your answer:

6a²-15a-8a+20

= 3a(2a-5) -4(2a-5)

= (3a-4)(2a-5)

:)

4 0

3 years ago

Read 2 more answers

Can some solve me this one question

iogann1982 [59]

What is the question?

7 0

3 years ago

6.3 + |8.7 + (-6.8)|

igor_vitrenko [27]

Answer:

21.8

Step-by-step explanation:

7 0

4 years ago

What is y=\dfrac{2}{3}x+4y=

lara [203]

Answer:

$12y+x-12=0$

Step-by-step explanation:

If I'm not mistaken by the question, we have

$x+4y=\dfrac{2}{3}x+4$

Multiply through by the LCM of all the denominators to clear the fractions. Since we have only one fraction, we multiply through by its LCM (3)

$3\timesx+3\times4y=3\times\dfrac{2}{3}x+3\times4$

$3x+12y=2x+12$

Putting all terms on the LHS (left hand side) and evaluating,

$12y+x-12=0$

5 0

3 years ago