Answer:
≈ or estimate
Step-by-step explanation:
Answer:
See below.
Step-by-step explanation:
1)
So we have:
This can be interpreted as:
"There exists a natural number <em>x</em> and an integer <em>y</em> such that x² is equal to y²."
2)
So we want even numbers are in the set of integers.
This is interpreted as:
"The set of even numbers (2n such that n is an integer) is in the set of integers"
The formula to find how many different ways are there to choose a subgroup of r things from a group of n things is
Here, you have 7 trophies and you want to choose 4 of them, so you have
So there are 840 ways to choose your 4 trophies out of the 7 you have.
Answer:
<u>3</u>
Step-by-step explanation:
Radius of circle with center R : 2 units
Radius of circle with center R' : 6 units
Scale factor :
- Radius of dilated circle /Radius of original circle
- 6/2
- <u>3</u>