Answer:
x=12 or x= -12 (answer A)
Step-by-step explanation:
|x| – 5 = 7
|x| = 12
x=12 or x= -12 (answer A)
Answer:
9300 maybe
Step-by-step explanation:
![\bf \begin{array}{ccll} \stackrel{cake}{oz}&calories\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 7.5&900\\ 2.5&x \end{array}\implies \cfrac{7.5}{2.5}=\cfrac{900}{x}\implies x=\cfrac{2.5\cdot 900}{7.5}](https://tex.z-dn.net/?f=%5Cbf%20%5Cbegin%7Barray%7D%7Bccll%7D%0A%5Cstackrel%7Bcake%7D%7Boz%7D%26calories%5C%5C%0A%5Ctext%7B%5Ctextemdash%5Ctextemdash%5Ctextemdash%7D%26%5Ctext%7B%5Ctextemdash%5Ctextemdash%5Ctextemdash%7D%5C%5C%0A7.5%26900%5C%5C%0A2.5%26x%0A%5Cend%7Barray%7D%5Cimplies%20%5Ccfrac%7B7.5%7D%7B2.5%7D%3D%5Ccfrac%7B900%7D%7Bx%7D%5Cimplies%20x%3D%5Ccfrac%7B2.5%5Ccdot%20900%7D%7B7.5%7D)
so, the 2.5oz cake will be "x" calories, pheeew, she'll be taking in 900 - x less calories.
Answer:
a) 54.6
b) 140
Step-by-step explanation:
7644 ÷ 140 = 54.6
so;
7644 ÷ 54.6 = 140