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likoan [24]
3 years ago
14

Who do I write 42\96.6 as a unit rate

Mathematics
1 answer:
Savatey [412]3 years ago
3 0

Answer:

0.43

Step-by-step explanation:

because you have to divide the top and bottom by the denominator

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What does it mean by “what is the unit rate?” what is a unit rate?
Nikitich [7]

Answer:

A unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The question.
Tanya [424]
The solution to this problem can be found by taking 20% of $62.50:

0.2(62.5) = 12.5

The way the question is worded is confusing, but I think it's asking how much of a discount you would get.  You would receive a $12.50 discount.
3 0
3 years ago
Jacob and Sarah are saving money to go on a trip. They need at least $1975 in order to go. Jacob mows lawns and Sarah walks dogs
salantis [7]

Answer: x = # of lawns

50 divided by 4 = x

Step-by-step explanation:

not positive but hope it helps

6 0
3 years ago
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A similar follow-up study is done on a sample of 25 meat-lovers who never eat vegetables, again randomly selected from the same
Alona [7]

Answer:

The lower limit is  75.04

The upper  limit is  78.96

Step-by-step explanation:

From the question we are told that

   The sample size is  n = 25

   The sample mean is  \=  x  =  77

    The standard deviation is  \sigma  =  5

Given that the confidence level is 95%  then the level of significance is mathematically represented as

        \alpha =  (100  - 95)\%

         \alpha = 0.05

The critical value for  \frac{\alpha }{2} obtained from the normal distribution table is  

     Z_{\frac{\alpha }{2} } =  1.96

Generally the margin of error is mathematically represented as

       E =  Z_{\frac{\alpha }{2} } *  \frac{\sigma }{\sqrt{n} }

=>   E =  1.96*  \frac{5 }{\sqrt{25} }

=>    E = 1.96

The 95% confidence interval is mathematically represented as

        \= x  -E <  \mu <  \= x  +E

=>   77 -  1.96  <  \mu < 77 +  1.96

=>   75.04 <  \mu < 78.96

   

7 0
2 years ago
A moose population is growing exponentially following the pattern in the table shown below. Assuming that the pattern continues,
EleoNora [17]

Answer:

  •   <u> 7,692 moose.</u>

Explanation:

The table that shows the pattern for this question is:

Time (year) Population

  0                   40

  1                     62

  2                    96

  3                   149

  4                   231

A growing exponentially pattern may be modeled by a function of the form P(x) = P₀(r)ˣ.

Where P₀ represents the initial population (year = 0), r represents the multiplicative growing rate, and P(x0 represents the population at the year x.

Thus you must find both P₀ and r.

<u>1) P₀ </u>

  Using the first term of the sequence (0, 40) you get:

   P(0) = 40 = P₀ (r)⁰ = P₀ (1) = P₀

Then, P₀ = 40

<u>  2) r</u>

Take two consecutive terms of the sequence:

  • P(0) = 40 r⁰ = 40
  • P(1) = 40 r¹ = 40r = 62
  • P(1) / P(0) = 40r / 40 = 62/40
  • r = 62/40 = 1.55

 

You can verify that, for any other two consecutive terms you get the same result: 96/62 ≈ 149/96 ≈ 231/149 ≈ 1.55

<u>3) Model</u>

 

Thus, your model is P(x) = 40(1.55)ˣ

<u> 4) Population of moose after 12 years</u>

  • P(12) = 40 (1.55)¹² ≈ 7,692.019 ≈ 7,692, which is round to the nearest whole number.
7 0
3 years ago
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