Answer:
i believe its b
Step-by-step explanation:
Answer:
m=-3
Step-by-step explanation:
10=7-m
m=7-10=-3
Answer:
x∉R
Step-by-step explanation:
1) Solve the quadratic equation 9x²-18x+14=0 using x=(-b±√b²-4ac)/2a:
x=(-(-18)±√(-18)²-4×9×14)/2×9
2) Evaluate the power, calculate the product and multiply the numbers:
x=(18±√324-504)/18
3) Calculate the difference:
x=(18±√-180)/18
4) The square root of a negative number does not exist in the set of Real Numbers:
x∉R
Answer:
All these rooms are rectangles so to find the
area of the rooms multiply length by width.
Living Room: 5x4 = 20 m^2
