What is the property of 21 times 9 = 9 times 21
2 answers:
21 x 9 = 9 x 21 is the commutative property.
Answer:
communitive? I learned this years ago but I think this is correct
Step-by-step explanation:
You might be interested in
12(x-12)=18
x-12=18/12
x-12=3/2
x=3/2+12
x=3/2+24/2
x=27/2
Answer:
75.751=75 751/1000
Step-by-step explanation:
Do a proportion. 28/100= 7/x. Now cross multiply and divide. 7 x 100=700 and 700 divided by 28 is 25. There are 25 students in the class. Answer is 25
No these envelopes aren’t similar. If you add up the sides they both don’t equal the same. Making them non congruent.
Answer:
Area of a semi circle is 1/2πr²
r = radius
Area = 1/2 × π × 18²
= 162π
= 508.94km²
Hope this helps.
