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Ber [7]
4 years ago
11

Given two sets, X={things that are impossible or untrue} and Y={mathematical statements}, which of the following are in ( X and

Y)
3^2=9
7+5=99
A cat lifts a grand piano
16> 99
candy is sweet
Mathematics
1 answer:
Ilia_Sergeevich [38]4 years ago
6 0
3^2=9 ∈ Y
7+5=99 ∈ X,Y
A cat lifts a grand piano ∈ X
16>99 ∈ X,Y
candy is sweet ∉ X,Y





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A veterinarian estimated the weight of a puppy to be 7 kg. The actual weight of the puppy was 6.6 kg.
KIM [24]

9514 1404 393

Answer:

  • absolute error: 0.4 kg
  • relative error: 6.1%

Step-by-step explanation:

The absolute error is the difference between the estimate and the actual weight:

  7.0 kg -6.6 kg = 0.4 kg . . . . absolute error

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The relative error is the ratio of the absolute error to the actual weight:

  (0.4 kg)/(6.6 kg) × 100% = 6.060606...% ≈ 6.1% . . . . relative error

6 0
3 years ago
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4 0
3 years ago
When calculating a loan’s effective interest rate, if the nominal rate is 8. 5%, what value of i do you plug into your equatio
natta225 [31]

The nominal rate to plug in will be 0.085.

Given to us, the nominal rate is 8.5%,

The value to plug into your equation,

The equation can be simple interest or compound interest in both cases the value of the nominal rate to the plugin will be the same.

Thus, the nominal rate is 8.5% can be written as

\begin{aligned}Nominal rate&= 8.5\%\\&= \dfrac{8.5}{100} \\&= 0.085\end{aligned}

Hence, the nominal rate to plug in will be 0.085.

To know more visit:

brainly.com/question/12522729

6 0
3 years ago
Which algebraic expression repesents the phrase? Cindy studied seven more hours than Nikki studied. a. n+7 b. 7-n c. 7n d. n/7
elixir [45]

Answer:

Option a is the correct choice.

Step-by-step explanation:

Let n be number of hours studied by Nikki.

We are told that Cindy studied seven more hours than Nikki studied. This means that number of hours studied by Nikki plus 7 hours equals to the number of hours studied by Cindy.    

We can represent this information in an expression as :

\text{The number of hours studied by Cindy}=n+7

We can see from our given choices that expression given in option a represents the number of hours studied by Cindy in terms of hours studied by Nikki.

Therefore, option a is the correct choice.


3 0
3 years ago
What is the slope of y = -x + 7
LenKa [72]
The slope of this equation would be m = -1
6 0
3 years ago
Read 2 more answers
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