Answer:
He got 5 right
Step-by-step explanation:
10% = 0.1
50(0.1) = 5
Answer:
11
Step-by-step explanation:
-2x-8= 16
-2x-4=8
16-8= 8
8+3= 11
Step-by-step explanation:
n(A) is the number of elements is A, sometimes written |A|. I count 7. n(A)=7
13 is among the elements of A, so 13 ∈ A is TRUE
26 is among the elements of A, so 26 ∉ A is FALSE
10 isn't in A, so 10 ∉ A is TRUE
PLS MARK BRAINLEST
Bring them to the same denominator and solve for x
Answer:
Step-by-step explanation:
To put the equation into vertex form, we need to complete the square

This is in the form

So, the vertex is (2, -5)
and 