Decide if the given value is a solution to the equation.x - 10 = 1; x = 10
A. No
B. Yes
Answer: A
Mathematics
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Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Mathematics
Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
The scores on a 30-point multiple-choice exam are given in the following frequency table:
The interquartile range on the exam is
A. 4. B. 2.5. C. 3.5. D. 3. E. none of these
Mathematics
Construct the requested tree diagram.Construct a tree diagram that shows all possible 2-letter code words using only the letters x and y with repetition allowed.
A.
| | |
| x |
| | |
| y |
B.
| /\ |
| x | y |
| /\ | /\ |
| x | y | x | y |
C.
| /\ |
| x | y |
| | | | |
| y | x |
D.
| /\ |
| x | y |
| /| | | |
| x | y | x |
Mathematics