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nadezda [96]
3 years ago
11

What is the area of the parallelogram plotted in the Coordinate Plan in square units? (Only include value! Don't include the wor

d phrase "Squared Units.)

Mathematics
1 answer:
katrin2010 [14]3 years ago
3 0

Answer:

Step-by-step explanation:

D (-2,4) C(-2,-4)

DC=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\\\\ =\sqrt{(-2-[-2])^{2}+(-4-4)^{2}}\\\\=\sqrt{(-2+2)^{2}+(-8)^{2}}\\\\ =\sqrt{0+64}\\\\ =\sqrt{64}\\\\=8

Base = 8

Height (h)= 3

Area of parallelogram = b*h = 8*3 = 24

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A rotating wind turbine has a diameter of about 145 feet and its circumference is about 456 feet. A smaller model of the turbine
Serjik [45]

Answer:

ross-multiplication.

circumference divided by the diameter

10/x = 580/185

10x185=1850

1850/580=3.189

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
PLEASE HELP!!!
Scilla [17]
You need the Law of Cosines here and you use it when you have 2 sides and an enclosed angle.  The side across from the angle is the one we are looking for.  The correct way to express the Law using what we have is the last choice above.  Side RT is the unknown, and it is across from the angle that is enclosed between the 2 other sides.
3 0
3 years ago
PLEASE HELP IF POSSIBLE :)
ollegr [7]

Answer:

JM = 20

Step-by-step explanation:

Find the value of JM

Using similar triangles;

MJ/HN = GJ/HK

GJ+JM/HN = GJ/HK

15+JM/12+16 = 15/12

15+JM/28 = 15/12

Cross multiply

12(15+JM) = 15*28

180+12JM = 420

12JM = 420 - 180

12JM = 240

JM = 240/12

JM = 20

<em>Hence the length of JM is 20</em>

6 0
3 years ago
Graph the line with the equation y = 5/6 x – 1.
Nimfa-mama [501]

Answer:

do you want me to answer the equation and graph it or only graph it?

Step-by-step explanation:

this is the graph to y=5/6x-1:

3 0
3 years ago
Find the x- and y-intercepts of the line<br> (-6.-6), (2, -4)<br> The x-intercept is
Marianna [84]

Answer:

x-int = 18

y-int = -9/2

Step-by-step explanation:

Use slope-intercept form y=mx + b

To find the slope, substitute the two points into the slope formula and solve.

m  = \frac{y2 - y1}{x1 - x1} \\m  = \frac{-4 - (-6)}{2 - (-6)} \\m = \frac{2}{8}\\m= \frac{1}{4}

Substitute a random point (2,-4) and m=1/4 into slope-intercept form

y = mx+b

-4 = 1/4 (2) + b

-4 = 2/4 + b

-4 = 1/2 + b

Isolate b to solve

b = -4 - 1/2

b = -8/2 - 1/2

b = -9/2    <= this is the y-intercept

b is the y-intercept in slope-intercept form

Substitute b= -9/2 and m=1/4 to get the equation of the line.

y = 1/4 x - 9/2

Substitute y for 0 to find the x intercept

y = 1/4 x - 9/2

0 = 1/4 x - 9/2

9/2 = 1/4 x

x = (9/2) / (1/4)

x = (9/2) X (4/1)

x = 36/2

x = 18

4 0
3 years ago
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