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EST 1 Math | August 2021 | section 1 — Preview 0 / 5 answered
1
Intermediate 1
1. If $\frac{2x-4}{3} - \frac{x+1}{6} = t+1$ and $t = 3$, what is the value of $x$?
A
A. 27
B
B. $-1$
C
C. 11
D
D. $\frac{31}{3}$
2
Intermediate 2
2. If $Z = 3 + 2i$ and $Z' = 4 - 3i$, what is the value of $(Z - Z')^2$?
A
A. $2i$
B
B. $-24 - 10i$
C
C. $-26 - 10i$
D
D. $-1 + 5i$
3
Intermediate 3
3. What was the original price in dollars?
A
A. $X - 30$
B
B. $X + 60$
C
C. $3X + 90$
D
D. $\frac{1}{3}X - 30$
4
Intermediate 4
4. If the total weight of the boxes is 36 kgs, what is the difference between the red and blue boxes in the truck?
A
A. 6
B
B. 9
C
C. 1
D
D. 3
5
Intermediate 5
5. How much does a 50-page album cost?
A
A. $8t$
B
B. $4t$
C
C. $\frac{t}{4}$
D
D. $\frac{t}{8}$
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