Answer:
https://revisionmaths.com/gcse-maths-revision/shape-and-space/vectors
i find this helpful- hope u do too (can u mark my answer as brainliest?)
First you simply have to substitute 2 in replace of all the a's, and -2 in replace of all of the b's
4((2)2+2(-2))
Then you want to follow the order of operations, PEMDAS (Parantheses-Exponent-Multiplication-Division-Addition-Subtraction), and multiply within the parantheses.
4(4+(-4))
Next you will add within the parantheses (So add the 4 and -4 together)
4(0)
Lastly multiply
0
Your answer is 0
Hope this helps!
There are 32,760 different orders for the first four positions.
This is a permutation where repetition is not allowed; the formula for that is:
For our problem, we have:
Here are some probability scenarios.
- Flipping a coin and seeing if it is heads or tails.
- Thinking to yourself: "Is it going to rain or hail?"
- Spinning a spinner and seeing what color it lands on.
- Probability in winning the lottery.
- Having 5 pairs of black shoes and one pair of yellow shoes.
The probability of picking the yellow shoe is 1/5.
There are lots of more examples out there!
<em>Hope helps!-Aparri </em>
Answer:
2.2
Step-by-step explanation:
<u> -6-5 </u> = -11/-5=2.2
-9-(-4)
