Answer:
Jane is 11 1/4 years old.
Step-by-step explanation:
Subtract all of the numbers given.
.
To subtract this, we need to find a common denominator.
A common denominator in this situation is 12. To do this multiply the 5 and the 6 of 5/6 by 2. Multiply the 1 and the 3 of 1/3 by 4. And multiply the 1 and the 4 1/4 by 3.
The new expression will look like this:
.
Now we can subtract.
Reduce the answer.
In decimal form 11.25
Hope this helps!
If not, I am sorry.
Lisa is measuring the depth of a well. She drops a ball from a height of h feet into the well and measures how long it takes the ball to hit the bottom of the well.
Polynomial = 
where 0 is the initial speed and h is height it was dropped .
Now find depth of the well, when t = 3.5 seconds and h = 6 ft
= 
= 
= -196 + 6
= -190
So depth of the well is 190 feet (negative sign represents the depth, below the ground)
Answer:
(n/2)+5
Step-by-step explanation:
With n representing the unknown number, to get half of that number, divide the number by 2. n/2. Then, increase that quotient by 5.
(n/2)+5
Conversion a mixed number 5 3
8
to a improper fraction: 5 3/8 = 5 3
8
= 5 · 8 + 3
8
= 40 + 3
8
= 43
8
To find new numerator:
a) Multiply the whole number 5 by the denominator 8. Whole number 5 equally 5 * 8
8
= 40
8
b) Add the answer from previous step 40 to the numerator 3. New numerator is 40 + 3 = 43
c) Write previous answer (new numerator 43) over the denominator 8.
Five and three eighths is forty-three eighths
Conversion a mixed number 2 11
12
to a improper fraction: 2 11/12 = 2 11
12
= 2 · 12 + 11
12
= 24 + 11
12
= 35
12
To find new numerator:
a) Multiply the whole number 2 by the denominator 12. Whole number 2 equally 2 * 12
12
= 24
12
b) Add the answer from previous step 24 to the numerator 11. New numerator is 24 + 11 = 35
c) Write previous answer (new numerator 35) over the denominator 12.
Two and eleven twelfths is thirty-five twelfths
Subtract: 43
8
- 35
12
= 43 · 3
8 · 3
- 35 · 2
12 · 2
= 129
24
- 70
24
= 129 - 70
24
= 59
24
For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of the both denominators - LCM(8, 12) = 24. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 8 × 12 = 96. In the next intermediate step the fraction result cannot be further simplified by cancelling.
In words - forty-three eighths minus thirty-five twelfths = fifty-nine twenty-fourths.
