URGENT LOL PLS HELP

Mathematics

2 answers:

allsm [11]3 years ago

8 0

Answer:

Blah

Step-by-step explanation:

Evgen [1.6K]3 years ago

6 0

Answer:

${3x}^{2} + 24x - 6$

Step-by-step explanation:

To find the area of a rectangle you have to multiply the length by the width.

In your problem, the length and width are both equations, so you just have to multiply each part of the equation separately.

For example, if you were to put both equations with one over the other, you just have to multiply the aligned numbers.

The length is: x2 + 6x + 3

The width is: 3x2 + 4x - 2

and if you multiply the aligned numbers together, you get

3x2 + 24x - 6. Because:

x2 × 3x2 = 3x2,

6x × 4x = 24x,

and 3 × -2 = -6

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-9x+5<17 AND 13x+25<-1

fgiga [73]

Answer:

x < -3 1/2 or 3.5

Step-by-step explanation:

-9x + 5 < 17

13x +25 < -1

If we add the 2 equations together, we will have

4x + 30 < 16

4x < 16 - 30

4x < -14

Divide both sides by 4

x< -14/4

x < -3 1/2 or 3.5

4 0

4 years ago

Problem Solving<br> Find the exact solution of each equation for 0 < theta < 2 pi

horrorfan [7]

Answer:

C) $\theta=\frac{\pi}{4},\frac{3\pi}{4},\frac{5\pi}{4},\frac{7\pi}{4}$

Step-by-step explanation:

$sin^2\theta=\frac{1}{2},\: 0\leq\theta\leq2\pi\\ \\\frac{1-cos(2\theta)}{2}=\frac{1}{2}\\ \\1-cos(2\theta)=1\\\\cos(2\theta)=0\\\\2\theta=\frac{\pi}{2}+\pi n\\ \\\theta=\frac{\pi}{4}+\frac{\pi}{2}n\\ \\ \theta=\frac{\pi}{4},\frac{3\pi}{4},\frac{5\pi}{4},\frac{7\pi}{4}$