The answer to your question is A
Answer:
B) Beth went back toward her origin.
Step-by-step explanation:
From 0 to 6, the graph increases. The dependent variable in this case is position and the independent variable is time; this means for this portion of the graph, as time increases the position increases as well.
From 6 to 10, the graph decreases. As time increases the position decreases. This means she goes back to her original position.
Answer:
a = 2(b) + 4.
Step-by-step explanation:
Part A: $11 + a = b. A= the extra money he got for walking the dog. B= the total money for walking the dogs.
Part B: a = 2(b) + 4. I did + 4 because it says “Larry was able to walk 4 more than twice as many dogs as his friend Kyle”. This equation would work because a = Larry and b = Kyle, so Larry has 2 times the amount as Kyle plus the 4.
I hope this helps <3
A strong positive correlation.
Step-by-step explanation:
The question requires you to calculate the correlation coefficient and then make a conclusion about its value.
Form a table as shown where x is cost of items and y is shipping cost
x y xy x² y²
25 5.99 149.8 625 35.9
45 8.99 404.6 2025 80.8
50 8.99 449.5 2500 80.8
70 10.99 769.3 4900 120.8
190 34.96 1773.2 10050 318.3 ------sum
The formula for correlation coefficient follows;
r=n(∑xy)-(∑x)(∑y) ÷ √{[n∑x²-(x)²] [n∑y²-(y)²]}
where n=4
r=4(1773.2)-(190)(34.96) ÷ √{[4(10050)-190²] [4(318.3)-34.96²]}
r=450÷ √{4100*51)
r=450÷√209100
r=450÷457.3
r=0.98409
The value of r indicates a stronger positive correlation
Learn More
Correlation coefficient :brainly.com/question/12528676
Keywords :shipping costs,cost of items, strength of the model
#LearnwithBrainly
