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yarga [219]
2 years ago
5

The amounts below show the change (measured in feet) in water level over four months. What is the average monthly change in wate

r level?
2/5,−4/5, 9/5, 1/5
Mathematics
2 answers:
Afina-wow [57]2 years ago
6 0
What you want to do is add the probabilities up and divide by how many there are so it will be 0.4+1.8+0.2-0.8/4
Which is 0.35
skelet666 [1.2K]2 years ago
6 0

Answer:

0.35

Step-by-step explanation:

You need to do this by turning all of those into a decimal and then add them up!

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Question 6(Multiple Choice Worth 4 points)
Alla [95]

Answer:

The scatter plot would closely resemble a straight line with a positive slope. The data has a strong, positive correlation, and a causal relationship exists between the team playing at home and winning.

Step-by-step explanation:

the closer the correlation coefficient is to +1 the stronger the positive correlation.

plz, mark brainliest

7 0
2 years ago
Read 2 more answers
A holiday meal cost 12.50 a person plus a delivery fee of $30 at we cater. The same meal cost $15 a person with no fee at Good E
4vir4ik [10]

Given :

A holiday meal cost 12.50 a person plus a delivery fee of $30 at we cater.

The same meal cost $15 a person with no fee at Good Eats.

To Find :

When does we cater become the better deal.

Solution :

Let , x is number of order .

Cost at cater , C = 12.5x + 30 .

Cost at Good Eats , G = 15x .

We need to find :

G > C

15x>12.5x + 30\\\\2.5x>30\\\\x>12

Therefore, after 12th order cater will be more value for money.

Hence, this is the required solution.

3 0
3 years ago
If 4 apples cost 0.80, how much do 12 apples cost
Neporo4naja [7]
4 / 0.80 = 12 / x...cross multiply
4x = 0.80 * 12
4x = 9.6
x = 9.6 / 4
x = 2.4.....12 apples cost $ 2.40
3 0
3 years ago
Read 2 more answers
A student expanded an expression, as shown. Is the student's work correct? Explain why or why not.
alex41 [277]
The work is incorrect.

(-6) multiplies both terms inside parentheses. For some reason, the student changed the sign of that multiplier for the second term. The second term of the result should have a positive sign, the result of multiplying (-6)(-2/13) = +12/13.
4 0
2 years ago
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What is the sum of f and 6
Inga [223]
The sum of f and 6 is simply f+6.
It is like this because f is a variable and we do not know its value.
8 0
2 years ago
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