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Luba_88 [7]
3 years ago
13

Find the slope of each side of this quadrilateral and use that information to explain why it is a rectangle

Mathematics
1 answer:
Andrei [34K]3 years ago
6 0

Step-by-step explanation:

the answer is in the above image

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Find the perimeter of the window. Round your answer to the nearest tenth.
liberstina [14]
1) The perimeter is the sum of the lengths of the straight edge (the diameter of the semicircle) and the length of the arc of the semicircle.

The circumference of a 4 ft circle is
  π*diameter = π*4 ft ≈ 12.566 ft
The semicircle will have a length that is half that, 6.283 ft. When this length is added to the diameter, the perimeter is found to be
  Perimeter = 4 ft + 6.283 ft ≈ 10.3 ft.


2) The area of a circle is given by the formula
  A = (π/4)d²
For a diameter of 15 inches, the area is
  A = (π/4)(15 in)² = 56.25π in²
  A ≈ 176.7146 in²

The area of the circle is about 176.71 in².
5 0
3 years ago
What the equations are
strojnjashka [21]
So, first lets define our variables: 
 
let x = the number of dimes
let y = the number of nickels

so our first equation would be x+y = 16

Since dimes are 10 cents and nickels are 5 cents the next equation would be as follows: 

.10x+.05y = 1.35

now change the first equation so y = -x+16
now substitute:

.10x+.05(-x+16) = 1.35
then multiply so you get .10x+-.05x+0.8=1.35

combine like terms and you get .05x+0.8 = 1.35
then subtract 0.8 from both sides and you get .05x = 0.55 then subtract
and you get x = 11 then substitute 11 for where x should be and you should get y = 5

So, you have 11 dimes and 5 nickels 
6 0
3 years ago
Which of the following is NOT a random sample of the population of people who subscribe to a particular magazine?
Verdich [7]

Answer:

D)

Step-by-step explanation:

Every tenth person will get it no matter what, every time. The order will not change.

4 0
2 years ago
What is the degree of the power function represented in the table?
allochka39001 [22]

Answer:

3

Step-by-step explanation:

-2+1= -1

4-3=1

-3/1= -3

3 0
3 years ago
Read 2 more answers
Help, please the question and thank you
erik [133]

Answer:

Green and blue is your answer.

:)

8 0
2 years ago
Read 2 more answers
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