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Paladinen [302]
3 years ago
14

How do i answer a • a • a • r • r using exponents

Mathematics
2 answers:
masha68 [24]3 years ago
5 0

Answer:

a^3 +r^2

Step-by-step explanation:

Maru [420]3 years ago
4 0

Answer:

a^3 +r^2

Step-by-step explanation:

a is multiplied three times so it goes to a^3

r is multiplied twice so it goes to r^2

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Problem: a circle is inscribed in a square. The squares perimeter is 16 times the square root of 6. What is the probability of s
Oksi-84 [34.3K]
I got 21% at selecting a point outside.
Explanation: Since the perimeter is 16sqrt (6), each side must be 4sqrt (6)
This also means that the diameter is 4sqrt (6).

To find the area of a circle, we need to find the radius (2sqrt (6)).
Area of circle is pi × (2sqrt (6))^2 = 24pi or approximately 75.4 units^2
Area of square is 4sqrt (6)^2 = 96

Thus, let's take the area of the circle and subtract that from the area of our square to yield approx. 20.6 units^2
and now divide through by 96 to yield 21%
8 0
3 years ago
What error did anna make?
Lapatulllka [165]

Answer:

The last option

Step-by-step explanation:

she did not change the sign of +6 to -6

the constant term should be -15 and not -3

6 0
3 years ago
Last week Missy read for a total of 240 minutes during this time she read 112 pages at this rate how many pages did she read in
LuckyWell [14K]

Answer:

28 pages

Step-by-step explanation:

240 minutes = 4 hours

240 minutes = 112 pages read

You have to divide by 4 the numbers are in each side, it would be like this:

60 minutes = 28 pages read

60 minutes is equal to an hour

1 hour = 28 pages read

Hope this was helpful :)

8 0
3 years ago
Prove algebraically that the recurring decimal 0.72 =8/11
miskamm [114]

Answer:

see explanation

Step-by-step explanation:

We require 2 equations with the recurring decimal placed after the decimal point.

let x = 0.7272.... (1) ← multiply both sides by 100

100x = 72.7272... (2)

Subtract (1) from (2) thus eliminating the recurring decimal

99x = 72 ( divide both sides by 99 )

x = \frac{72}{99} = \frac{8}{11}

7 0
3 years ago
Read 2 more answers
Simplify the expression 4x^3 2x^3
kotykmax [81]

Answer:

Step-by-step explanation:

2 3x6

the 3 is an exponet so supost to be smaller

5 0
3 years ago
Read 2 more answers
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