She can use 68 + 20 = 88 to help by noticing that the 20 is ahead of 19 by 1. She can easily mentally turn the 20 into a 19 and realized that the 88 would become 87.
Answer:
-1
Step-by-step explanation:
rise = -2
run = 2
Slope = rise / run
= -2/2 = -1
Since also the angle made by the line and x axis in anti clockwise direction is > 90° the slope will be-ve .
Answer:
<u>4.</u>
Step-by-step explanation:
Degree will he 4, since the largest exponent will still be 4 after the addition.
1) 11 12 13 14 15 16 21 22 23 24 25 26 31 32 33 34 35 36 41 42 43 44 45 46 51 52 53 54 55 56 61 62 63 64 65 66
2) least number is 11
3) greatest number is 66
4) Yes they are equally likely because it’s a dice so it a 16.6 chance of u rolling a number
