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3 years ago

Whats the Y coordinate Of the solution to the system of equations 4x-4=-2y 2x-y=8

Mathematics

1 answer:

MakcuM [25]3 years ago

5 0

I am going to be honest with you on this one, but this one is really really really hard to answer

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Simplify (9x-1)^-1/2 - (x+2)(9x-1)^-1/2

iren2701 [21]

Answer:

Step-by-step explanation:

(9x-1)^-1/2 - (x+2)(9x-1)^-1/2

= (9x-1)^-1/2( 1 - (x + 2))

= (9x-1)^-1/2(-1 - x)

= -(x + 1)(9x-1)^-1/2

= -(x + 1) / (9x-1)^1/2

3 0

3 years ago

If five times a number plus two is 17 what is the number? A. 3 B. 2 C. 7 D. 5

VLD [36.1K]

5*3+2=17 it's A, 3 in this equation.

3 0

3 years ago

Read 2 more answers

Which statement must be true

monitta

Answer:

(C)

Step-by-step explanation:

AD and BC are parallel to each other. They are the same distance but they never touch.

Your best answer would be C.

Brainilest appreciated.

4 0

3 years ago

Solve on the interval [0/2pi]<br><br> 1-cos(theta) = (1/2)

Airida [17]

Answer:

Final answer is $x=\frac{\pi}{3}$ and $x=\frac{5\pi}{3}$ .

Step-by-step explanation:

Given equation is $1-\cos\left(\theta\right)=\frac{1}{2}$

Now we need to find the solution of $1-\cos\left(\theta\right)=\frac{1}{2}$ in given interval $[0, 2\pi ]$ .

$1-\cos\left(\theta\right)=\frac{1}{2}$

$-\cos\left(\theta\right)=\frac{1}{2}-1$

$-\cos\left(\theta\right)=-\frac{1}{2}$

$\cos\left(\theta\right)=\frac{1}{2}$

which gives $x=\frac{\pi}{3}$ and $x=\frac{5\pi}{3}$ in the given interval.

Hence final answer is $x=\frac{\pi}{3}$ and $x=\frac{5\pi}{3}$ .

6 0

3 years ago

Simplify the the expression <br> (4x^4y)^2*2x^3y^4

Elden [556K]

Answer: 32x^11 y^6

If you are still confused just let me know i will do it step by step :)

4 0

3 years ago