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2 years ago

3. Determine the intersection point(s) for the system.

Mathematics

1 answer:

Pavlova-9 [17]2 years ago

8 0

So you have to win first multiply 99

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Solve the following equation show your work x^2-4=0

arsen [322]

Answer:

x = 2, x = - 2

Step-by-step explanation:

Step 1:

x² - 4 = 0 Equation

Step 2:

x² = 4 Add 4 on both sides

Step 3:

x = $\sqrt{4}$ Square 4

Answer:

x = 2, x = - 2

Hope This Helps :)

7 0

3 years ago

Cos 4θ − cos 2θ = sin θ

hichkok12 [17]

$cos(4\theta) - cos(2\theta) = sin(\theta)$
$-2sin(\frac{4\theta + 2\theta}{2})sin(\frac{4\theta - 2\theta}{2}) = sin(\theta)$
$-2sin(\frac{6\theta}{2}sin\frac{2\theta}{2}) = sin(\theta)$
$-2sin(3\theta)sin(\theta) = sin(\theta)$
$\frac{-2sin(3\theta)sin(\theta)}{-2sin(\theta)} = \frac{sin(\theta)}{-2sin(\theta)}$
$sin(3\theta) = -\frac{1}{2}$
$sin^{-1}[sin(3\theta)] = sin^{-1}(-\frac{1}{2})$
$3\theta = -30$
$\frac{3\theta}{3} = \frac{-30}{3}$
$\theta = -10$

7 0

3 years ago

Ratio =240cm to 400cm

Vanyuwa [196]

Answer:

I think it's 3:5

Step-by-step explanation:

I really don't understand your question

5 0

3 years ago

Help on this circle plzzzzz

Wittaler [7]

6x - 28 = 4x + 20
2x - 28 = 20
2x = 48
x = 24
6(24) - 28 = 116

mRS = 116°

5 0

3 years ago

Find the slope of a line perpendicular to 2x-y-16

Alekssandra [29.7K]

put the equation 2x - y = 16 in the form of y = mx + c

2x - y = 16

2x = 16 + y

y = 2x - 16

the slope of this line is 2. the slope of a line perpendicular to it would be the negative reciprocal of 2. in other words, it would multiply with 2 to give -1.

you can form this equation with that info

2x = -1

x = -1/2

you can flip and change the sign (numerator) of 2/1

2/1

= -1/2

6 0

3 years ago

3. Determine the intersection point(s) for the system.​

3. Determine the intersection point(s) for the system.