Answer:
x = 19
Step-by-step explanation:
Trapezium area formula:
, where a & b are the two bases.
Now, if we plug in our known values, we can solve for the missing base.


Answer:
70
Step-by-step explanation:
Solve any pre-algebraic equation with inverse operations:
-7 = y/-10
multiply both sides by -10
-7 * -10 = y
now simplify:
remember that multiplying two negatives with result in a positive
70 = y
Then there would be 9 girls and 23 boys
Answer:
Financial manager sounds more professional.
Step-by-step explanation:
The correct answer to this question is letter "<span> C. There may be other hitters in the 320s, but they didn't make the top 30." </span>his distribution of data shows lots of lifetime averages in the middle classes, but tails off sharply at both the upper and lower ends. The statement that best explains the fact that there are very few averages in the lowest class is that t<span>here may be other hitters in the 320s, but they didn't make the top 30.</span>