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finlep [7]
3 years ago
8

Solve:

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:

x = 0

Step-by-step explanation:

Write the number in exponential form with the base of 2:

{2}^{x - 3}  =  {2}^{ - 3}

Since the bases are the same, set the exponents equals.

x - 3 =  - 3

Cancel equal terms on both sides of the equation:

x = 0

dedylja [7]3 years ago
5 0
<h2>Given</h2>

2 {}^{x - 3}  =  \frac{1}{8}

To Find value of 'x'

<h3><u>Solution</u></h3>

<u>2 {}^{x - 3} =  \frac{1}{8}  \\  \\  \implies2 {}^{x - 3} = 2 {}^{ - 3}  \\  \\   \\ Since  \: Bases \:  Are \\  Equal \:  We  \: Need  \\ To  \: Evaluate  \\ The \:  Powers \\  \\  \implies \: x - 3 =  - 3 \\  \\ \implies x =  - 3 + 3 \\  \\  \implies \: x = 0</u>

<u>\fbox \red{Hope This Helps You ❤}</u>

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ruslelena [56]

Answer:

(20,24) (17,20) and (8,8)

Hope this helps

Step-by-step explanation:

8 0
3 years ago
Simplify the expression using positive exponents.<br>​
Maksim231197 [3]
The answer is - 2x/3y
5 0
3 years ago
-⅔ (6x +9) = 18 I really need some help and understanding with this one. Thanks in advance!!
Sever21 [200]

-⅔ (6x + 9) = 18

Apply distributive property. Multipy -⅔ to 6x and 9.

-4x - 6 = 18

Add 6 to both sides so -4x can be alone.

-4x - 6 + 6 = 18 + 6

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To get x alone, divide both sides by -4.

-4/-4x = 24/-4

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x = -6 is your answer. I hope this helps! Let me know if you need more help or if I got something wrong.

6 0
3 years ago
3 to the 2 power times 5 to the 3 times 8 divided by 3 times 5 to the 3 times 8
IceJOKER [234]

Answer:

42

Step-by-step explanation:

First condense all the numbers with exponents:

3² x 5³x 8 divided by 3 x 5³ x 8

27 x 125 x 8  divided by 3 x 27 x 8

Then multiply 27 , 125 ,and 8

27 x 125 x 8 =27000

Then multiply 3, 27 ,and 8

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Then divide 27000 by 648

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3 0
3 years ago
Express the integral as a limit of Riemann sums. Do not evaluate the limit. (Use the right endpoints of each subinterval as your
Veronika [31]

The expression of integral as a limit of Riemann sums of given integral \int\limits^5_b {1} \, x/(2+x^{3}) dxis 4 \lim_{n \to \infty}∑n(n+4i)/2n^{3}+(n+4i)^{3} from i=1 to i=n.

Given an integral \int\limits^5_b {1} \, x/(2+x^{3}) dx.

We are required to express the integral as a limit of Riemann sums.

An integral basically assigns numbers to functions in a way that describes displacement, area, volume, and other concepts that arise by combining infinite data.

A Riemann sum is basically a certain kind of approximation of an integral by a finite sum.

Using Riemann sums, we have :

\int\limits^b_a {f(x)} \, dx=\lim_{n \to \infty}∑f(a+iΔx)Δx ,here Δx=(b-a)/n

\int\limits^5_1 {x/(2+x^{3}) } \, dx=f(x)=x/2+x^{3}

⇒Δx=(5-1)/n=4/n

f(a+iΔx)=f(1+4i/n)

f(1+4i/n)=[n^{2}(n+4i)]/2n^{3}+(n+4i)^{3}

\lim_{n \to \infty}∑f(a+iΔx)Δx=

\lim_{n \to \infty}∑n^{2}(n+4i)/2n^{3}+(n+4i)^{3}4/n

=4\lim_{n \to \infty}∑n(n+4i)/2n^{3}+(n+4i)^{3}

Hence the expression of integral as a limit of Riemann sums of given integral \int\limits^5_b {1} \, x/(2+x^{3}) dxis 4 \lim_{n \to \infty}∑n(n+4i)/2n^{3}+(n+4i)^{3} from i=1 to i=n.

Learn more about integral at brainly.com/question/27419605

#SPJ4

5 0
2 years ago
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