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mr Goodwill [35]
3 years ago
10

A solution to a system of equations is at the point of intersection.

Mathematics
1 answer:
solniwko [45]3 years ago
7 0

Answer:

true

Step-by-step explanation:

i dont have an explanation its just true

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Write the slope-intercept equation of line that passes through (4,-5) and (5, -7).
Georgia [21]

Answer:

y = mx + b

m = (-7 - -5) / (5 - 4) = -2

y = -2x + b

Use either point to find b

Using (4, -5):

-5 = (-2)(4) + b

-5 = -8 + b

b = 3

y = -2x + 3

Step-by-step explanation:

4 0
3 years ago
Which correlation is most likely a causation?
melisa1 [442]
It is usually noted that correlation does not imply causation, but there are some correlations which are causation as well.

A correlation is when there is a relationship between two variables while causation is when the outcome of one variable affects the outcome of the other variable.

From the first option, though there may be a positive relationship between sales of jeans and sales of slacks, but the purchase of jeans does not mean that you have to purchase a slack, thus, there is no causation.

For the second option, though there may be positive relationship between <span>the number of aisles and the number of products in a supermarket, but a supermarket can have many aisles with few products, i.e. many aisles does not automatically imply many products, thus, there is no causation.

For the third option, though there may be a positive relationship between </span><span>the number of swimmers and the number of sunbathers at a beach, but all swimmers in a beach are not sunbathers and all sunbathers are not swimmers. Thus, a swimmer does not imply a sunbather and a sunbather does not imply a swimmer. Thus, there is no causation.

For the last option, it is generally known that the more you practice an activity, the better you get in that activity. Thus, there exist a relationship between </span><span>the number of hours spent practicing archery and the number of bull's-eyes an archer can hit and there also exist causation because the number of bull's-eye an archer can hit is directly dependent on the number of hours the archer spent practicing.

Therefore, the </span><span>correlation that is most likely a causation is </span><span>the positive correlation between the number of hours spent practicing archery and the number of bull's-eyes the archer can hit.</span>
3 0
3 years ago
Help pls I don’t rlly understand
Anton [14]

Answer:

1) A, B, C

2) D, E, F

3) Q

4) R, L(but lowercase), m, S, n

7 0
2 years ago
Which of the following is NOT a requirement to conduct a goodness-of-fit test? Question 1 options: a) For each category, the obs
elena-14-01-66 [18.8K]

Answer:

The answer is A.) For each category, the observed frequency is at least 5.

Step-by-step explanation:

Just took the test.

4 0
3 years ago
Syracuse and New York City are 240 miles apart. One car left Syracuse heading for New York City at an average of 65 mph. A secon
bazaltina [42]
Let x be the distance from Syracuse where they pass. The first car travels a distance of x in time x/65 while the second car travels a distance 240-x in time (240-x)/55. They pass at the same time after leaving their starting points so x/65=(240-x)/55.
Cross-multiplying we get: 55x=65(240-x)=15600-65x, 120x=15600, x=15600/120=130 miles.
They pass 130 miles from Syracuse.
6 0
3 years ago
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