Answer:
Hope its help u
Step-by-step explanation:
solve
50 x + 56 y = 690
65 x + 48 y = 711
The solution is find out by Cramer's rule as you have not mentioned any specific method,
Its in image
According to P E M D A S (parentheses, exponents, multiplication, division, addition, and subtraction) (2*3)=(6) and 25/5 is 5. 5(6)=30. Your answer is 30.
Answer:
So H have to equale to 0
and ![t> 0](https://tex.z-dn.net/?f=t%3E%200)
![-4,9t^2+33,6t+4,9=0\\\Delta=33,6^2+4*4,9*4,9=1225\\\sqrt{\Delta }=35\\t=\frac{-33,6-35}{2*(-4,9)} =14s](https://tex.z-dn.net/?f=-4%2C9t%5E2%2B33%2C6t%2B4%2C9%3D0%5C%5C%5CDelta%3D33%2C6%5E2%2B4%2A4%2C9%2A4%2C9%3D1225%5C%5C%5Csqrt%7B%5CDelta%20%7D%3D35%5C%5Ct%3D%5Cfrac%7B-33%2C6-35%7D%7B2%2A%28-4%2C9%29%7D%20%20%3D14s)
Step-by-step explanation:
Answer:
1 pair of boots and 6 sweaters
Step-by-step explanation:
70+20s = 135
-70 -70
20s = 135
divide 20 both sides
s = 6.75
She can buy 6 sweaters because she cannot buy half a sweater.
s - sweaters
I need brainliest please
Answer:
4
Step-by-step explanation: