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Murrr4er [49]
2 years ago
7

Trans typ./ Check no. Date Description of Transaction Payment/ Debit (-) Deposit/ Credit (+) Balance 900 00 303 5/21 Sandra's Be

auty Salon 25.00 25 00 Haircut and Styling 925 00 What did Stephanie do wrong?
Mathematics
1 answer:
DanielleElmas [232]2 years ago
4 0

Answer:

SHE ADDED THE COST OF THE HAIRCUT TO HER BALANCE.

Step-by-step explanation:

Instead of debited the cost of the haircut stephanie done the mistake by entering the charges of the hair cut into her balance. So due to this, the wrong entry should be recorded.

Therefore the above situation represents the situation in which she did the wrong

Hence, the same is to be considered

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486 is what percent of 900
gladu [14]
486/900 = .54 = 54%. .......
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Two Trains left a station at the same time. One traveled north at a certain speed and the other traveled south at twice that spe
sashaice [31]
Let s = northbound train
Then
2s = southbound train
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4s + 8s = 600
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3 years ago
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Find the dot product of the position vectors whose terminal points are (14, 9) and (3, 6).
erma4kov [3.2K]

Answer:

Step-by-step explanation:

The formula for the dot product of vectors is

u·v = |u||v|cosθ

where |u| and |v| are the magnitudes (lengths) of the vectors. The formula for that is the same as Pythagorean's Theorem.

|u|=\sqrt{14^2+9^2} which is \sqrt{277}

|v|=\sqrt{3^2+6^2} which is \sqrt{45}

I am assuming by looking at the above that you can determine where the numbers under the square root signs came from. It's pretty apparent.

We also need the angle, which of course has its own formula.

cos\theta=\frac{uv}{|u||v|} where uv has ITS own formula:

uv = (14 * 3) + (9 * 6) which is taking the numbers in the i positions in the first set of parenthesis and adding their product to the product of the numbers in the j positions.

uv = 96.

To get the denominator, multiply the lengths of the vectors together. Then take the inverse cosine of the whole mess:

cos^{-1}\theta=\frac{96}{111.64676} which returns an angle measure of 30.7. Plugging that all into the dot product formula:

u*v=\sqrt{277}*\sqrt{45}cos(30.7) gives you a dot product of 96

6 0
2 years ago
Use your calculator to evaluate the limit of x equals 1 to 3 of e raised to the x squared power, dx. Give your answer to the nea
xz_007 [3.2K]
The integral of e raised to x squared dx to the limit from 1 to 3 translating in equation we get
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Solving using scientific calculator, we have  1443.082471 or simply 1443.

<em>ANSWER: 1443</em>
7 0
3 years ago
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