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arsen [322]
3 years ago
5

Which statements are true? Check all that apply. All rectangles are squares. All rhombi are parallelograms. All squares are rhom

bi. All trapezoids are parallelograms. No trapezoid is a rectangle.
Mathematics
1 answer:
Ede4ka [16]3 years ago
6 0

Answer:

All rhombi are parallelograms.

All squares are rhombi.

No trapezoid is a rectangle.

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Need help with this. Hope someone can help
ratelena [41]

First, convert all of the cm measurements to m measurements (so they are all the same unit measurement)

2000 cm = 20 m         800 cm = 8m    

<u>Total Perimeter </u>(Note that circumference of a semi-circle is 2 π r/2 = π r)

Add up the lengths of all of the outside edges. I am going to start on the top and move counter-clockwise:

40 + π (10) + 8 + 25 + 8 + (40 - 25 - 10) + 8 + 10 + 8 + π(10)

= 40 + 10π + 41 + (5) + 26 + 10π

= 112 + 20π

= 112 + 62.8

= 174.8

Answer: 174.8 m

<u>Total Area</u>

Split the picture into 5 sections (2 semi-circles, top rectangle, bottom left rectangle, and bottom right rectangle).  Find the area for each of those sections and then add their areas together to find the total area.

2 semi-circles is 1 Circle: A = π · r²  ⇒ A = π(20/2)² =  π(10)²  = 100π  ≈  314

top rectangle: A = L x w  ⇒  A = 40 x 20  = 800

bottom left rectangle: A = L x w  ⇒  A = 25 x 8  = 200

bottom right rectangle: A = L x w  ⇒  A = 10 x 8  = 80

Total = 314 + 800 + 200 + 80  = 1394

Answer: 1394 m²


3 0
3 years ago
If 12 newborn babies are randomly selected, how many different gender sequences are possible?
ki77a [65]
If there are 2 genders it's 2^12, which is 4096
3 0
3 years ago
Raj weighs a book and rounds the weights to the nearest tenth. Does this weight round to 1.5 pounds?
Archy [21]

Answer:

Its false

Step-by-step explanation:

4.42 the .42 the 2 is under 5 so it would round up.

7 0
3 years ago
How do you evaluate the expression to this problem 24 divided by (-4)+(-2) times (-5)
Tju [1.3M]

24/-30 would be the answer

8 0
3 years ago
Read 2 more answers
39,892 to the nearest 1000 on the number line
Iteru [2.4K]

I'm pretty sure it would be 40,000 because if i'm not mistaken you meant the nearest 10,000 since the number is 39,892.

7 0
3 years ago
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