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vazorg [7]
3 years ago
12

What is the value of n in the equation 32 × 33 = 3n?

Mathematics
2 answers:
adoni [48]3 years ago
6 0

Answer:

5

Step-by-step explanation:

u can add 2 and 3 when their base number (3) are the same

morpeh [17]3 years ago
4 0

Answer: The value of n is 5

Step-by-step explanation:

-Solve:

3^2 × 3^3 =3^n

-If two numbers with exponents are multiplying together, then the exponents would add up together:

3^5 = 3^n

-Simplify by the exponent:

243 = 3^n

-Take the logarithm both sides of the equation:

log(3^n)= log (243)

- Then, you divide both sides by log (3) :

n=\frac{log(243)}{log(3)}

- Use the change-of-base formula, which is \frac{log(a)}{log(b)} = log_{b}(a):

n = log_{3}(243)

n = 5

So, the value of n is 5.

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Answer:

c

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A man buys 6 ½ of petrol daily. How many litres of petrol does he purchase in six days​
nalin [4]

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Step-by-step explanation:

6.5×6=39

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2 years ago
A model of a tractor trailer is shap d like a rectangular prism and has a width of 2 in. , a length of 11 in. , and a height of
Anna71 [15]

Answer:

Actual volume=3,773,000 in³

Step-by-step explanation:

Scale 1:35

Actual Width=Model Width×Scale factor=(2×35)=70 inches

Actual Length=Model Length×Scale factor=(11×35)=385 inches

Actual Height=Model Height×Scale factor=(4×35)=140 inches

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Actual volume=3,773,000 in³

8 0
2 years ago
What sampling method is used in the following examples. Is the method biased or not?
Romashka-Z-Leto [24]

Answers:

  • a) Stratified random sampling, or simply stratified sampling. Each group individually is known as a stratum. The plural is strata. The key here is that each stratum is sampled, though we don't pick everyone from every stratum. We randomly select from each unit to have them represent their unit. Think of it like house of representative members that go to congress. We have members from every state, but  Be sure not to mix this up with cluster sampling. Cluster sampling is where we break the population into groups or clusters, then we randomly select a few clusters in which every individual from those clusters is part of the sample.
  • b) Simple random sampling (SRS). This is exactly what it sounds like. We're randomly generating numbers to help determine who gets selected. Think of it like a lottery. A computer is useful to make sure this process is quick, efficient and unbiased as possible. Though numbers in a box or a hat work just as well.

For each of the methods mentioned, they aren't biased since they have randomness built into their processes.

7 0
3 years ago
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