Answer:
x+y=31
Step-by-step explanation:
I'd say that would be the equation bc it doesn't really give ages. Although I could be wrong so sorry if I am
Answer:
Length: 9
Width: 2
Step-by-step explanation:
Area = length × width
18 = (x - 5)(x + 2)
18 = x² - 5x + 2x - 10
x² - 3x - 28 = 0
x² - 7x + 4x - 28 = 0
x(x - 7) + 4(x - 7) = 0
(x - 7)(x + 4) = 0
x = 7, -4(not possible)
Length: 7+2 = 9
Width: 7-5 = 2
Answer:
15 pizzas
Step-by-step explanation:
- 3 pizzas=7 people
- 6 pizzas=14 people
- 9 pizzas=21 people
- 12 pizzas=28 people
- 15 pizzas=35 people
Answer:
The height of the triangle is 2.66666667
Formula needed is Area= base times height divided by 2.
Step-by-step explanation:
Personally the way I did it might be a bit harder, but. converted the fractions to decimals. 1 3/5 turns into 1.6 as the overall area of the triangle, and 1 1/5 turns into 1.2. So now that we have everything convered we need to do the exact opposite of the formula. The last step of the formula is the forst step we do, but just opposite. 1.6 as the area get multiplied by 2 to get 3.2. Then 3.2 gets divied by the base which is 1.2 to get 2.66666667 to be exact. However this can be rounded to 2.7 as well.
