11.
(87+91+86+x)/4=90.
x=96.
13.
50×y > 130.
the lowest number could be 3, because 50×2=120, which is less than 130.
Answer:
3 students
Step-by-step explanation:
There are 30 students in Mrs. Woodward’s class.
of the class has their own cell phone, so
students have their own cell phones.
of those 6 students are allowed to use social media. So,
students are allowed to use social media.
Answer:
dy/dx = x=-1
Step-by-step explanation:
by use of intergration to get the values of yaxis and x axis,,the values are -2, -4,
Answer:1 13\21
Step-by-step explanation:make the mixed numbers to improper fractions then multiply
