Answer:
D is correct
Step-by-step explanation:
A linear expression contains no higher power exponents than 1
Only D satisfies this as 4x+4 is the same as 4x^1+4
Hope this helped!
15)a=5
16)p=3
17)k=6
18)m=0
20)r=10
21)10
10 plus 5x = 50(x=8)
62 times 2x = 128(x=31)
Answer:
A. 6.25x + 7.50 = 26.25
Step-by-step explanation:
Clara paid 7.50 for an admission ticket, each round was 6.25 and she did it for x rounds. 6.25x is the same thing as 6.25 times x rounds.
Answer:
B. 8
Step-by-step explanation:
The question lacks the required diagram. Find the diagram in the attachment.
Before we can find d21, d22 and d23, we need to get the matrix D first as shown in the attached solution.
On comparison as shown in the attachment, d21 = 11, d22 = -10 and d23 = 7
Note that d21 refers to element in the second row and first column of the matrix
d22 is the element in the second row and second column of the matrix
d23 is the element in the second row and third column of the matrix
d21+d22+d23 = 11-10+7
d21+d22+d23 = 8
The second option is correct.