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lord [1]
3 years ago
15

Please answer the question correctly while showing detailed working. ​

Mathematics
2 answers:
AfilCa [17]3 years ago
7 0

Answer: 2

Step-by-step explanation:

8^2x+1 / 8^2 = 8^3

8^2x+1  = 8^5

2x+1= 5

2x= 4

x= 2

algol133 years ago
7 0

\\ \sf\longmapsto \dfrac{8^{2x+1}}{64}=8^3

\\ \sf\longmapsto \dfrac{8^{2x+1}}{8^2}=8^3

  • a^m÷a^n=a^{m-n}

\\ \sf\longmapsto 8^{2x+1-2}=8^3

\\ \sf\longmapsto 8^{2x-1}=8^3

\\ \sf\longmapsto 2x-1=3

\\ \sf\longmapsto 2x=3+1

\\ \sf\longmapsto 2x=4

\\ \sf\longmapsto x=\dfrac{4}{2}

\\ \sf\longmapsto x=2

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Around the car park, cylindrical concrete bollards are going to go placed .
Llana [10]

Answer:

653.120 cm³

Step-by-step explanation:

diameter/2 = 40 cm = radius

Height = 130 cm

Volume?

Volume = π r² h

= 3,14 . 1600 . 130

= 653.120 cm³


CMIIW

8 0
3 years ago
Read 2 more answers
Otto has some whipping cream that is 30%, butterfat, and some milk that is 2%, butterfat. He wants to make a 500 ML mixture of t
timofeeve [1]

The point J connote that the mixture has more than the expected volume and has the optimal butterfat percentage.

<h3>What is the point implying?</h3>

Note that in the question, it was supplied that  Otto intended to make a mixture of 12% butter fat.

Since:

Milk = 2% butter fat

Whipping cream = 30% butter fat.

This implies that  the milk contains the smallest of butter fat and it also implies that Otto would require  a lot more milk than cream, to be able to attain the 12% mixture.

This is known to be when point J is said to meet, and by using that data from point J, Otto require more of milk than the cream to get what he wants.

Therefore, The point J connote that the mixture has more than the expected volume and has the optimal butterfat percentage.

Learn more about mixture from

brainly.com/question/14076470

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8 0
2 years ago
What is 2 1/3 times 5
Aleonysh [2.5K]

Answer:

11.6 repeated

Step-by-step explanation:

rounded 11.7

6 0
3 years ago
The rate at which a quantity of a radioactive substance decays is proportional to the quantity of the substance. The constant of
Butoxors [25]

Answer:

\frac{dN}{dt} = λN           N(0) = 6

N(t) = N₀e^(λt)

Applying the inital value condition

N(t) = 6e^(λt)

Step-by-step explanation:

Summarizing  the information briefly and stating the  variables in the problem.

t = time elapsed during the decay

N(t) = the amount of the radioactive substance remaining after time t

λ= The constant of proportionality  is called the decay constant or decay rate

Given the initial conditions

N(0) = N₀ = 6

The rate at which a quantity of a radioactive substance decays (\frac{dN}{dt}) is proportional to the quantity of the substance (N)  and λ is the constant of proportionality  is called the decay constant or decay rate :

\frac{dN}{dt} = λN          

N(t) = N₀e^(λt) ......equ 1

substituting the value of  N₀ = 6 into equation 1

N(t) = 6e^(λt)

3 0
3 years ago
What is 6(x+4) 1 hehe
kupik [55]

Answer:

2

Step-by-step explanation:

two plus four equals six

6 0
3 years ago
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