The current quiz grade average of Malika using subtraction expression is 15/4.
- Subtraction is that the operation of taking the distinction of 2 numbers and . Here, is named the number and therefore the image between the and is named the sign. The expression " " is scan " minus ."
We have given the average points of Malika 4¹/₂ which on simplifying gives 4¹/₂ = 4 ×2 +1 / 2
= 8 +1 / 2
= 9/2
It is also given that at the end of the quarter, his average decreases by 3/4 point which can be represented by
Current quiz grade average = 9/2 - 3/4
= 18 - 3 / 4
= 15 /4
Learn more about subtraction here :
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Look at factors of 44...
1 and 44
2 and 22
4 and 11
Using those, we can see that 4 by 11 works, because 4x2 equals 8, which is 3 less than eleven. Stick to the basics, they are your best weapons.
Answer:
C
Step-by-step explanation:
(c) x + 2y = 7
This equation os linear one but has two variables ( x and y)