A number to the 12th power divided by the same number to the 9th power equals 64 what is the number

Answers

Answer 1

Answer:

Answer:

The statement written as a formula is. a12a9=125. We can simplify the fraction, and we have. a3=125. To solve for a , take the third root

Step-by-step explanation:

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Pansy measured the height of a window frame as 5.12 feet, but the actual height was 6 feet. What is the percentage of error in Pansy's measurement?A: 6.82
B: 6.88
C: 14.67
D: 11.12

Answers

The percentage error of the height of the table is: C. 14.67

Recall:

Percentage error can be calculated using the formula: (what was measured - the actual measurement) / actual measurement × 100%.

Thus:

The height that was measured = 5.12 feet

Actual measurement of the height = 6 feet

Percentage error = (6 - 5.12) / 6 × 100

Percentage error = 14.67

Learn more about percentage error here:

brainly.com/question/5493941

Percent error=100*(measurement-actual dimension)/actual dimension

pe=100(5.12-6)/6=-14.67%

So there is a 14.67% error.

Question 4Solve.

4(a + 3) = 18 – 2(3 – 2a)

–3

–1

all real numbers

no solution

Question 9

Kersha has two jobs. During the day she works as an office clerk, and in the evening she works as a cashier. Her office job pays her $12.00 per hour. Her cashier job pays her $8.25 per hour. In one week, Kersha worked 55 hours. She earned a total of $585.

How many hours did Kersha work in each job?

Office clerk: 35 hours; cashier: 20 hours

Office clerk: 20 hours; cashier: 35 hours

Office clerk: 31 hours; cashier: 24 hours

Office clerk: 28 hours; cashier: 27 hours

Answers

the answer to #4 is no solution

What is the opposite of 4.25

Answers

It is -4.25.

Your welcome!

✡ Answer: -4.25✡

- - The opposite of POSITIVE 4.25 is NEGATIVE 4.25

✡Hope this helps✡

Please Help due today!!Find the measure of angle 7.

Find a measure of angle 8.

Answers

Angle 7 and 5 are vertical angles, so they're equal. Angles 7 and 8 are supplementary, so they have to add up to 180. 2x + 15 + 3x = 180 Solve for x, then plug it into the expression for angle 7 to get you answer

Events A and B are mutually exclusive, with P(A) = 0.36 and P(B) = 0.05.

What is P(A or B)?

A.0.018 B.0.31 C.0.41 D.0.86

Answers

Since A an B are mutually exclusive, you can just add the two probabilities. Mutually exclusive means that one does not depend at all on the other.

You drive 15 miles in one-fourth hour. What is your average speed?

Answers

you have to multiply 15 by 4 to get 60. The speed per hour is 60.

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