The answer is 35/12 and simplify that and u get 2 11/12.
To show my work apparently since the mods wont stop deleting my answers, here.
I first found a common denominator and use it to rewrite each fraction. Then I, subtracted the whole numbers and fractions separately.
She saves 10 per week.......after 4 weeks, she had 90
so if she started with nothing, after 4 weeks she would have 40.....but for her to have 90, she would have had to have started with (90 - 40) = 50.
Think about it....she starts with 50....and then saves 10 for 4 weeks giving her 40......and now she has 40 + 50 = 90
so ur answer is : Roberta had $ 50 before she started to save money each week
Answer:
x = 50
R = $2500
Step-by-step explanation:
Given in the question a quadratic equation,
−x² + 100x
To find the selling price, x, which will give highest revenue, y, we will find maximum value of parabola curve −x² + 100x
The value of -b/2a tells you the value x of the vertex of the function
−x² + 100x
here a = -1
b = 100
Selling price = -(100)/2(-1)
= 50
R = −(50)² + 100(50)
= 2500
Answer:(12,5)
Step-by-step explanation:-7 to 5 is 12 and -3 to 2 is 5
Answer:
d<-1.75
Step-by-step explanation:
