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Annette [7]
3 years ago
15

Name any two 2D shapes which are not polygons.Insert the diagrams of these shapes to support your answer.

Mathematics
1 answer:
Stels [109]3 years ago
6 0

Answer:

Circle and Semi-circle are 2D but not polygons.

Picture to shwo answer:

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Identify the lateral area and surface area of a regular triangular pyramid with base edge length 14 cm and slant height 15 cm.
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How did you get 315.
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3 years ago
The graph of a line passes through the points (0,-2) and (6,0). what is the equation of the line?
nirvana33 [79]

Answer:

y = 1/3x - 2

Step-by-step explanation:

We are asked to find the equation of a line with two points

Step1: find the slope

m = (y_2 - y_1)/(x_2 - x_1)

( 0 , -2) (6 , 0)

x_1 = 0

y_1 = -2

x_2 = 6

y_2 = 0

Insert the values

m = ( 0 - (-2)/ (6 - 0)

m = ( 0 + 2)/(6 - 0)

m = 2/6

m = (2/2)/(6/2)

m = 1/3

Step 2 : substitute m into the equation of line

y = mx + c

y = intercept y

m = slope

x = intercept x

c = intercept

y = 1/3x + c

Step 3: sub any of the two points

Let's pick ( 6 ,0)

x = 6

y = 0

Insert the values into

y = 1/3x + c

0 = 1/3(6) + c

0 = 1*6/3 + c

0 = 6/3 + c

0 = 2 + c

c = 0 - 2

c = -2

Sub c = -2

y = 1/3x - 2

The equation of the line is

y = 1/3x - 2

5 0
3 years ago
Cory earns $20 for every lawn he mows and $9 for every hedge he trims. He uses the expression 20x + 9y to keep track of his earn
34kurt
<h2>a. 20 & 9 are the coefficients and x & y are the variables of the expression.</h2><h2>b. There are 2 terms in the expression they are 20x & 9y the reason why is  because the two terms are separated by addition</h2><h2>c. The term that shows the total of every hedge that was trimmed is 9y </h2><h2 />
3 0
3 years ago
Can someone double check my answer please !!
Anuta_ua [19.1K]

Answer:

C

Step-by-step explanation:

gg

6 0
2 years ago
Read 2 more answers
Lily took out a 5-year loan from the bank for $31,000 to purchase a new car. At the end of the loan, she had paid a total of $37
otez555 [7]

Answer:

=24.5%

Step-by-step explanation:

  1. Simple interest = (principal×rate×time)÷100. *brackets first*
  2. transpose the formula to make rate the subject: rate= (100×simple interest) ÷ (principal×time)
  3. plug in values: rate = (100×37975) ÷ (31000×5)
  4. the result is 24.5%
8 0
3 years ago
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