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Law Incorporation [45]
3 years ago
8

Question 9 (1 point)

Mathematics
2 answers:
vitfil [10]3 years ago
3 0

Answer:

Option 3: 200L + 100B > 5,000

Step-by-step explanation:

Each laptop costs 200 dollars, so this could be represented as 200L. Each bike costs 100 dollars, so this could be represented as 100B.

Jonathan wants his total of laptops and bikes to be more that 5,000, so we have to add 200L and 100B. When added, it should be more than 5,000 dollars.

200L + 100B > 5,000

mestny [16]3 years ago
3 0
It is the third option, 200L + 100B > 5,000.

Variable L represents the amount of laptops Jonathan will buy, then multiplied by the price of each laptop. Variable B represents the amount of bicycles he will buy, then multiplied by the price of each bicycle. Since the total amount must be greater than 5,000, the greater than sign is used (>) with 5,000 on the right.

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Last Tuesday was silly hat day at Toby's school. 74 students wore a silly hat and 666 students did not. What percentage of the s
valina [46]

Answer:

10%

Step-by-step explanation:

The total population of students will be equal to the sum of both those who wore the silly hat and those who didn't hence

Total students= 74+666=740

Number of students who wore silly hat is given as 74 hence when expressed as a percentage of the total students' population we get that

percentage of the students wore a silly hat=\frac {74\times 100}{740}=10\%

Therefore, 10% of students wore a silly hat last Tuesday

4 0
3 years ago
A randomized study compared the effectiveness of two mosquito repellents. The treatment group using Spray A reported a mean of 3
BlackZzzverrR [31]

Answer:

The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.​

Step-by-step explanation:

Given that:

The treatment group using Spray A reported a mean of 3.5 mosquito bites.

The treatment group using Spray B reported a mean of 5.6 mosquito bites.

After the data are  re-randomized; the differences of the means are shown in the dot plot. The dot plot is attached in the file below;

The best conclusion that can be make based on the data from the dot plot is :

The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.​

5 0
3 years ago
a) LOOCV is not random because you fit all n possible models that leave out a single observation. k-fold CV is random because we
Daniel [21]

Answer:

1. Randomly divide the available set of observations into two

parts, a training set and a validation set or hold-out set.

2. Fit the model on the training set.

3. Use the resulting fitted model to predict the responses for the

observations in the validation set.

4. The resulting validation set error rate is typically assessed using

the MSE in the case of a quantitative response. This provides

an estimate of the test error rate.

5 0
4 years ago
WILL GIVE BRAINLIEST INSTANTLY!!!1
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

\frac{a}{A}=\frac{\theta }{360^o}\\ \\ a=\frac{\pi r^2 \theta}{360^o}\\ \\ a=\frac{\pi (8.7)^2(126^o)}{360^o}\\ \\ a=\frac{9536.94\pi}{360}in^2\\ \\ a\approx 83.23 in^2

6 0
3 years ago
Solve the following equations and find the slope intercept form.<br> x + 3y = 9<br> -4x + 2y = 8
Strike441 [17]
Equation 1: x-intercept is (9,0) and the y-intercept is (0,3).
Equation 2: x-intercept is (-2,0) and the y-intercept is (0,4).
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3 years ago
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