The correct answer is 1,3& 4.
A figure can tessellate only if its interior angle is a factor of 360. For an equilateral triangle, each interior angle is 60°; 360÷60 = 6, so this works.
For a regular hexagon, each interior angle is (6-2)(180)/6=4(180)/6=720/6=120; 360÷120=3, so this works.
For a regular pentagon, each interior angle is (5-2)(180)/5=3(180)/5=540/5=108; 360÷108=3.3. This does not divide evenly, so it does not work.
For a square, each interior angle is 90°; 360÷90=4, so this works.
30+10 =40
Divide it by 2 (you always divide a number by 2 if you want to find the average), 40/2 = 20. So 20mph
The answer is literally-5.7
Answer:
70 times
Step-by-step explanation:
There is always a 50-50 chance on which side the coin can land, so on average, the coin lands 70 times on tales, and 70 times on heads.
Answer:
y = -x + 7
Step-by-step explanation:
The slope formula is as follows:
y = mx + b
So, in order to get x + y = 7 into slope intercept form we have to do the following things:
- Subtract x from both sides
If you do this step then your equation should look like this:
y = -x + 7
<em>Hope this helps!!</em>
<em>- Kay</em>
