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Anni [7]
1 year ago
11

Write the number below (81) as a power with a base of 3 and a base of 9

Mathematics
1 answer:
likoan [24]1 year ago
5 0

Answer:

base of 3 --> 3^4 (three to the fourth); base of 9 --> 9^2 (nine squared)

Step-by-step explanation:

<u>3 x 3</u> = 9 x <u>3</u> = 27 x <u>3</u> = 81 = 3^4

You multiply 3 by itself 4 times.

<u>9 x 9</u> = 81 = 9^2

You multiply 9 by itself 2 times.

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Help please I'll give brainliest and a vote!!!
fredd [130]

Answer:

Quality Plumbing charges more per hour.

In the graph, you can see that it would cost $150 for their work plus $100 per hour based on the slope of the line.

A Plus Plumbing charges $140 for their work plus $60 per hour.

7 0
3 years ago
The number is even. It is nit divisible by 3. It is not divisible by 5. It is not greater than 9^2. Is it not less than 8^2. Wha
TEA [102]

Answer:

64, 68, 74, 76

Step-by-step explanation:

Ok so in a confusing way, the last two statements are telling you that the number is greater than 8^2, which is 64, and the number is less that 9^2, which is 81.

The number has to be even, so I will list the even numbers between those two numbers:

64, 66, 68, 70, 72, 74, 76, 78, 80.

It cannot be divisible by 3, which rules out 66, 72, 78

64, 68, 70, 74, 76, 80 remains

It cannot be divisible by 5, which rules out 70 and 80

64, 68, 74, 76  are the possible answers,

*Note: I believe I did this right, but because of the tricky wording of the last two statements, 64 may not be included.

4 0
3 years ago
Sasha does push-ups each day for five days. The numbers of push-ups she does each day or shown below.
lana [24]

The mean average of push ups Sasha does in 5 days is 26.2.

<h3>Mean average</h3>

  • Number of days = 5
  • Day 1 = 22 push ups
  • Day 2 = 36 push ups
  • Day 3 = 21 push ups
  • Day 4 = 25 push ups
  • Day 5 = 27 push ups

Mean average = Total push ups done / number of days

= (22 + 36 + 21 + 25 + 27) / 5

= 131 / 5

= 26.2

Therefore, the mean average of push ups Sasha does in 5 days is 26.2.

Learn more about mean average:

brainly.com/question/20118982

#SPJ1

3 0
2 years ago
the currency in sweden is the kronor. the exchange rate is approximately $1 for every 7 kronor. at this rate, how many dollars w
REY [17]

Answer:

$2

Step-by-step explanation:

If $1 = 7 kronor, 2$ would = 14 kronor

7 0
2 years ago
Please help with my algebra homework ( click on picture to see everything) ​
Greeley [361]

Answer:

(20. 80 (21. 9.33 (22. 1344 (23. 10 (24. 108

Step-by-step explanation:        

(i didn't do the bonus)

8 0
3 years ago
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