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3 years ago

- 1/2 (- 3/2x + 6x + 1) - 3x

Mathematics

1 answer:

zepelin [54]3 years ago

5 0

Answer: = -2/4x + -1/2

Step-by-step explanation:

hope this helped

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I REALLY NEED HELP FOR THIS ONE

Natasha2012 [34]

Answer:

Step-by-step explanation:

Area of shaded region it is area of hexagon minus area of circle.

A regular hexagon is comprised of six equilateral triangles (of the same sides).

So its area: $A_1=6\cdot\dfrac{S^2\sqrt3}{4}=\dfrac{3S^2\sqrt3}2$ {S = side of the triangle}

Height (H) of such a triangle is equal to radius (R) of a circle inscribed in the hexagon:

$R = H = \dfrac{S\sqrt3}{2}$

Area of shaded region:

$A=A_1-A_\circ=\dfrac{3S^2\sqrt3}2-\pi R^2=\dfrac{6S^2\sqrt3}4-\pi\left(\dfrac{S\sqrt3}2\right)^2=\dfrac{S^2(6\sqrt3-3\pi)}4$

S = 6 cm

so:

$A=\dfrac{6^2(6\sqrt3-3\pi)}4=\dfrac{36(6\sqrt3-3\pi)}4=9(6\sqrt3-3\pi)=27(2\sqrt3-\pi)\ cm^2\\\\A=27(2\sqrt3-\pi)\ cm^2\approx8.71\ cm^2$

3 0

3 years ago

How can 8 ounces be expressed in pounds

Vilka [71]

There are 16 ounces in a pound, so 8 ounces would be half a pound (0.5 lb)

6 0

3 years ago

Read 2 more answers

Add. 1 1/2 + 3/5 + 1/8<br><br> A. 1 5/13 <br><br> B. 27/15 <br><br> C. 2 9/40<br><br> D. 1 3/8

Alex Ar [27]

Get the mixed number into one fraction
$\frac{3}{2} + \frac{3}{5} + \frac{1}{8}$
Get a common denominator
$\frac{60}{40} + \frac{24}{40} + \frac{5}{40}$
Now add
$\frac{89}{40}$
You can get it back to a mixed number
$2 \frac{9}{40}$

8 0

3 years ago

Read 2 more answers

Find the x - and y - intercepts of the line. X + 3y=6Y intercept: ( , )X intercept: ( , )

pantera1 [17]

ANSWER:

Y intercept: (0, 2)

X intercept: (6, 0)

STEP-BY-STEP EXPLANATION:

We have the following equation:

$x+3y=6$

The x-intercept is when y is equal to 0 and the y-intercept is when x is equal to 0, therefore:

$\begin{gathered} \text{ x-intercept } \\ x+3\cdot0=6 \\ x=6\rightarrow(6,0) \\ \text{ y-intercept } \\ 0+3\cdot y=6 \\ y=\frac{6}{3}=2\rightarrow(0,2) \end{gathered}$

4 0

2 years ago

What is the LCM of 8 14 and 20?

Alik [6]

I believe its 2. 4*2=8. 2*7=14. 2*10=20

7 0

3 years ago