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iragen [17]
3 years ago
5

Is 2 rational ? And why

Mathematics
1 answer:
alekssr [168]3 years ago
3 0
2 is a rational number because it does repeat. Ex.2.000000...... It also ends.
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Find an equation for the nth term of the sequence. <br><br> -4, -16, -64, -256, ...
Andrews [41]
This is a geometric sequence  with first term a1 = -4 and common ratio r = 4

so nth term  = a1* r^(n-1)

                   = -4 *4^(n-1)
5 0
3 years ago
Read 2 more answers
Applying properties of Exponents in exercise,use the properties of exponents to simplify the expression.See example 1.
evablogger [386]

Answer: a) 15625, b) 0.2, c) 625, d) 0.008.

Step-by-step explanation:

Since we have given that

a) (5^2)(5^3)

As we know that

a^m\times a^n=a^{m+n}

So, it becomes,

5^2\times 5^3=5^{2+3}=5^6=15625

(b) (5^2)(5^{-3})

So, it becomes,

5^2\times 5^{-3}=5^{2-3}=5^{-1}=\dfrac{1}{5}=0.2

(c) (5^2)^2

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(a^m)^n=a^{mn}

So, it becomes,

5^{2\times 2}=5^4=625

(d) 5^{-3}

a^{-m}=\dfrac{1}{a^m}\\\\5^{-3}=\dfrac{1}{5^3}=\dfrac{1}{125}=0.008

Hence, a) 15625, b) 0.2, c) 625, d) 0.008.

4 0
3 years ago
To edit a manuscript, Miguel charges 12 dollars per hour for the first 4 hours and 15 dollars per hour after the first 4 hours.
aleksley [76]

Answer:

C = 12 + 15(x - 4)

C = 15x - 48

Step-by-step explanation:

Let the number of hours = t

The total amount Miguel earns =

C

To edit a manuscript, Miguel charges 12 dollars per hour for the first 4 hours and 15 dollars per hour after the first 4 hours.

C = 12 + 15(x - 4)

Expand the t

C = 12 + 15x - 60

C = 15x - 48

Therefore, an expression for the amount, in dollars, Miguel charges if it takes him t hours to edit a manuscript, where t>4 is given as:

C = 15x - 48

5 0
3 years ago
Need help will give brainliest :)​
Elina [12.6K]

Answer:

what do you need help with? can you explain please

3 0
2 years ago
Read 2 more answers
Simplify<br><br> -36 + x &lt; 8
krok68 [10]

Step-by-step explanation:

add 36 to both sides to cancell out -36

-36+36=0

8+36=44

x<44

so all values for x are less than 44

Hope that helps :)

Please give brainliest

3 0
2 years ago
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