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adelina 88 [10]
2 years ago
7

HELP THIS IS DUE TOMORROW, ITS URGENT!!

Mathematics
1 answer:
Nezavi [6.7K]2 years ago
5 0
Each interior angle is 60° because all angles have to equal up to 180° so 180/3 = 60
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Anyone Help me please!! I’m completely lost
pav-90 [236]

Answer:

Parallelogram Height = 6 cm * sine (60)

Height = 6 * 0.86603

Height = 5.19618

Parallelogram Area = Height * Side TH

Parallelogram Area = 5.19618 * 8

Parallelogram Area = 41.56944 square cm

You might find this page helpful: https://www.1728.org/quadpar.htm


Step-by-step explanation:


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3 years ago
Find an equation of the line containing (-3,4) and having slope -2. If this line contains the points (a,8) and (5,b), find a and
larisa [96]

Answer:

Step-by-step explanation:

Remark

The slope intercept line is written as y = mx + b in it's general form.

You can get the slope, m, immediately because it is given as -2

So far what you have is y = -2x + b

y intercept

To get the y intercept, use the point (-3 , 4)

x = - 3

y = 4

4 = -2*(-3) + b

4 = 6 + b                 Subtract 6 from both sides

4 - 6 = 6-6 + b

b = - 2

Line

y = -2x - 2

(a,8)

y = -2a - 2

8 = -2a - 2              Add 2 to both sides

8 +2 = -2a -2+2     Combine

10 = - 2a                 Divide by - 2

10/-2 = a

a = -5

(5,b)

y = -2x - 2

x = 5

y = b

b = -2*5 - 2

b = -10 - 2

b = - 12

6 0
2 years ago
-4+3b^2=143<br><br> Simplest radical form
Karolina [17]

Answer:

- 4 + 3b {}^{2 }  = 143 \\ 3b {}^{2}  = 143 + 4 \\ 3b {}^{2} = 147 \\ b {}^{2}   =  \frac{147}{3}  \\ b {}^{2}  = 49 \\ b = 7

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How many different kinds of shapes are used to create the faces on this three-dimensional model?
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Answer:

2 kinds of shapes are used to create the faces on this three-dimensional model.

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3 years ago
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