Answer:
2z - 3w = 8
Step-by-step explanation:
Where you see z you place 10 there and where you see w you place 4 there because that's the value according to the question.
So we have 2(10) - 3(4) = 20 - 12 = 8
Answer:
Rs. 300
Step-by-step explanation:
Given that the watch was sold for 90%.
So, 90% = 270.
We have to find 100%.
To do this, find ten % the. Multiply that by 10.
90%=270
10% = 270/9 = 30
100% = 30 x 10= 300.
Hope this helps
Answer:
A) y = x^2 -1
B) -y = 2x^2 +1 We multiply B) by -1
B) y = -2x^2 -1
We can then say x^2 -1 = -2x^2 -1
3 x^2 = 0
x = 0
************* Double-Check: ******************
Equation A) y = -1 and
Equation B) y = -1
Step-by-step explanation:
Answer:
x≥3.5
Step-by-step explanation:
8x ≥-28
x≥-28/8
x≥-3.5
Step-by-step explanation:
this is the answer in the picture
