Answer:
Slope: -2
Y-intercept: 3.5
Step-by-step explanation:
Answer:
168 books
Step-by-step explanation:
Given
of the remaining books
Required
Determine the total number of books
If the proportion of the English books is 3/8, the the remaining is:
Take LCM
From the question, we understand that:
of the remaining books
This means:
From the question, we also understand that 75 are Chinese books.
The total number of books can then be calculated using:
Substitute 75 for Chinese
Make Total the subject:
Answer:
r=7
Step-by-step explanation:
C is at x=1 at circle side is at 8
8-1= 7
so, r=7
Answer:
AC=16.2 units
Step-by-step explanation:
we know that
The triangle ABC is an isosceles triangle
so
AX=XC
because triangles ABX and CBX are congruents
AC=2*AX
see the attached figure to better understand the problem
therefore
AC=2*8.1=16.2 units
Variable that could be replaced my any number.