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ale4655 [162]
3 years ago
11

Two squares have sides 12cm and 4cm respectively. What is the ratio of their areas​

Mathematics
1 answer:
zaharov [31]3 years ago
7 0

Answer:

9:1

Step-by-step explanation:

square with side 12cm area= 144cm

square with side 4cm area= 16 cm

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.For small training sets variance may contribute more to the overall error than bias. Sometimes this is handled by reducing the
Ymorist [56]

Answer:

Bias is the difference between the average prediction of our model and the correct value which we are trying to predict and variance is the variability of model prediction for a given data p[oint or a value which tells us the spread of our data the variance perform very well on training data but has high error rates on test data on the other hand if our model has small training sets then it's going to have smaller variance & & high bias and its contribute more to the overall error than bias. If our model is too simple and has very few parameters then it may have high bias and low variable. As the model go this is conceptually trivial and is much simpler than what people commonly envision when they think of modelling but it helps us to clearly illustrate the difference bewteen bias & variance.

3 0
2 years ago
Are the graphs of the lines in the pair parallel? Explain. y = 4x – 4 24x – 4y = 96
zaharov [31]
No, since the slopes are different

for 1 line
y = 4x - 4

slope = 4

for 2 line
4y = 24x - 96
slope = 24/4 = 6
6 0
3 years ago
Read 2 more answers
Peter was thinking of a number. Peter divides by 7, then adds 5 to get an answer of 13. What was the original number?
Mila [183]

Answer:

56

Step-by-step explanation:

5-13=8

7*8=56

7 0
3 years ago
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Mark makes three pounds of hamburger to feed his family of 6. How many pounds of hamburger should you purchase for Memorial Day
polet [3.4K]
216x3 = 618 pounds for 216 people
3 0
3 years ago
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Scores on a dental anxiety scale range from 0​ (no anxiety) to 20​ (extreme anxiety). The scores are normally distributed with a
solniwko [45]

Answer:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Step-by-step explanation:

The following information is missing in the question:

We have to find z-score for the given score on this dental anxiety scale: 12, 6

We are given the following information in the question:

Mean, μ = 11

Standard Deviation, σ = 4

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

where x is the given score on this dental anxiety scale.

For x = 12

z_{score} = \displaystyle\frac{12-11}{4} = 0.25

For x = 6

z_{score} = \displaystyle\frac{6-11}{4} = -1.25

6 0
3 years ago
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