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andreev551 [17]
3 years ago
10

Which expression makes the equation true? X^8 = ( )^2

Mathematics
2 answers:
adoni [48]3 years ago
6 0
(a^m)^n = a^(mn)

x^8 = (x^4)^2 = x^(4 * 2) = x^8

Answer: (x^4)^2
notka56 [123]3 years ago
3 0
X^8 = ()^2

x^8 = (x^4)^2

x^8 = x^8

inside the parethesis is x^4

hope this helps
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Bryan drives up to a traffic circle from Elm Street. He drives 15 meters around the circle is a perfect circle with a radius of
Tom [10]

Answer:

<h2><em> 85.9° </em></h2>

Step-by-step explanation:

Using the formula for calculating the length of an arc to get the angle of Maple Street to Elm Street;

Length of an arc = θ/360 * 2Πr  where r is the radius of the circle.

Given r = 10m and length of the arc = 15m

On substituting;

15 =  θ/360 * 2π(10)

15 = θ/360 * 20π

θ/360 = 15/20π

θ/360  = 0.2387

θ = 360* 0.2387

θ = 85.9°

<em>Hence Maple street is at 85.9° to Elm street.</em>

<em></em>

8 0
3 years ago
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Dan invests £18790 into his bank account. He receives 4.9% per year simple interest. How much will Dan have after 3 years? Give
garri49 [273]

Answer:

£21552.

Step-by-step explanation:

Given information:

Principal amount = £18790

Rate of simple interest =4.9% = 0.049 per year

Time = 3 years

Formula for simple interest:

I=P\times r\times t

where, P is principal, r is rate of interest and t is time in years.

I=18790\times 0.049\times 3

I=2762.13

Total amount after 3 year is

A=P+I

A=18790+2762.13

A=21552.13

A\approx 21552

Therefore, Dan have £21552 after 3 years.

8 0
3 years ago
What is 2/3 cup chopped nuts multiplied by 6 ?
shusha [124]
12/3 cup chopped nuts
which simplified is 4 cups
5 0
3 years ago
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valkas [14]
Since V = (4/3) * pi * R^3

If R is halved, V' will reduce by a ratio of (1/2)^3 = 1/8

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4 0
3 years ago
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1) f(x)=(x - 3)(x - 5)
NemiM [27]

Answer:

Step-by-step explanation:

f(x)= (x - 3)(x - 5)

f(x) = x^2 - 5x - 3x + 15

f(x) = x^2 - 8x + 15

Answer is A

7 0
3 years ago
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