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1)yes
2)no
3)yes
4)yes
5)no
6)yes
7)no
8)no
Answer:
The answer is "21"
Step-by-step explanation:
mn + 3r
m = 5
n = 4
r = 1/3
Now just substitute the values given in the question into the equation
5(4) + 3(1/3)
Multiply 5 and 4 to get 20
20 + 3(1/3)
3(1/3) cancels out and becomes 1
20 + 1
Add 20 and 1
21
So "21" is your answer
Hello!
Question 7
x + 8 = -2
x + 8 - 8 = -2 - 8 (subtract 8 from both sides to remove +8 from x)
x = - 10
Choice A.
Question 8
x - 7 = -3
x - 7 + 7 = -3 + 7 (add 7 to both sides to remove -7 from x)
x = 4
Choice A.
Question 9
36½ - 24½ = 12
Choice B.
Question 10
29 - x = 17 ¼
The reason the value of the number reduces is because a number, x, is subtracted from the original value.
So when subtracting by a number, let's say variable x, the result is naturally a smaller number. (unless the variable is negative)
Choice B.
Answer:
Step-by-step explanation:
This question requires an attachment;
I'll answer your question using the attached figure
Since, PQR is similar to P'Q'R'; This implies that
Side PQ is similar to P'Q'
Side PR is similar to P'R'
Side QR is similar to Q'R'
Taking sides PQ and P'Q' as point of reference
PQ = 4; P'Q' = 2 (From the attached)
