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jek_recluse [69]
3 years ago
11

Find x for, sin⁻¹ 4x + sin⁻¹ 3x = -

frac{\pi }{2}" alt="\frac{\pi }{2}" align="absmiddle" class="latex-formula">

Mathematics
1 answer:
Novay_Z [31]3 years ago
3 0
<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}

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Can you guys please help me im confused
JulijaS [17]

Answer:

The bullet point between the numbers means times in this case, in some other cases it would mean "and" also known as plus. Therefore, the correct answer is the second one.

Step-by-step explanation:

In each half unit cube there is 6 cubes. ⇒

6 + 6 + 6 = 18 ⇒

But, this is not one of the options.⇒

So, we have to make the equation a bit different to solve it. ⇒

2 x 3 x 2, is the first option. ⇒

This is incorrect, as it equals 12. ⇒

The sum we are looking for is 18. ⇒

The second answer is 2 x 3 x 3. ⇒

This equals 18, we have found the correct answer. ⇒

So, there are a total of 3 half-unit cubes. ⇒

There are a total of 18 cubes. ⇒

I hope this helps!

4 0
3 years ago
Read 2 more answers
Explain how you know that the sum of 12.6,3.1, and 5.4 is greater than 20
ozzi
By just looking at ur whole numbers...12 + 3 + 5 = 20...and thats not even counting ur decimals..so by adding ur decimals, u know that it will be over 20.
5 0
3 years ago
Use the properties of exponents to simplify the expression: y^(y3)2
iren [92.7K]

because y^3 is raised to the power of two, we will have to multiply the exponents rather than adding them.

By distributing the power of 2, we will get y^2(6).

Because now the exponents are being multiplied, we can just add them to get y^8. The other y has a power of 1, so we'll just add the power of that y as well to get y^9.

summary:

multiply exponents if they are being raised to a power.

add exponents if they are being multiplied, and only add them if they have the same base (in this case, both the bases of the exponents are y, so we can add them)

8 0
3 years ago
Suppose f(x) = x^2– 7. and g(x) = 5 – x^2 ,then g(f(-4)) =
iogann1982 [59]

Answer:

-76

Step-by-step explanation:

f(x) = x^2– 7. and g(x) = 5 – x^2 ,then g(f(-4)) =

-76

7 0
3 years ago
Read 2 more answers
What is .015 as fraction
schepotkina [342]
It is 15 / 1000 in the fraction form.
4 0
3 years ago
Read 2 more answers
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