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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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After a 16% increase the price of a pair of running shoes was $40.60. What was the old price of the shoes
Delvig [45]

Answer:

34.10

Step-by-step explanation:

Note:

16% = .16

Important:

What was the <u>old price</u> of the shoes

Solution:

40.60 x .16 = 6.946 [Round:6.50]

40.60-6.50= 34.10

Hence, the old price of the shoes is $34.10

5 0
2 years ago
Write an equivalent unit rate to eating 3 pieces of popcorn in of a minute.
Leviafan [203]

Answer:

180

Step-by-step explanation:

all I did was multiply

i don’t know  hope this is correct if not let me know so I can fix my mistake

5 0
3 years ago
When I am multiplied by myself, I
cestrela7 [59]

Answer:

21 & 22

42.25 ÷ 2 = 21.125.

21.125 rounded to the two nearest whole numbers is 21 and 22.

21 and 22 are the closest integers to 21.125.

The answer is 21 and 22.

Hope it helps!

6 0
3 years ago
Read 2 more answers
Steven tiene un tapete rectangular con un perímetro de 16 pies.y el ancho del tapete es 5 pies Cual es la longitud del tapete? n
Sunny_sXe [5.5K]

Answer:

l = 3\,ft

Step-by-step explanation:

La ecuación de perímetro del tapete es (The equation of perimeter of the carpet is):

p = 2\cdot (w + l)

Donde (Where):

w - Ancho (Width)

l - Longitud (Length)

La longitud se determina por despeje (The length is determined by clearing it):

l = \frac{p}{2} - w

l = \frac{16\,ft}{2} - 5\,ft

l = 3\,ft

8 0
3 years ago
Solve one step equation<br><br> 5x = -15
8090 [49]

Answer:

x=-3

Step-by-step explanation:

This is a one step solution all you do is divide 5 into -15

-15/5 = -3

so -3 = x

7 0
3 years ago
Read 2 more answers
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