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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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Which equation represents a direct variation?
8090 [49]

Answer:

Y = x y = kx. When the equation that describes direct variance is graphed in the Cartesian Plane, there is always a straight line moving through the origin. Think of it as the Slope-Intercept Shape of a line written as y = mx + b y = mx + b.

Step-by-step explanation:

4 0
2 years ago
Factories <br>(a+b)^3+8c^3​
Rom4ik [11]

Answer:

(a + b + 2c)(a² + 2ab + b² - 2ac - 2bc + 4c²)

Step-by-step explanation:

Given

(a + b)³ + 8c³ ← this is a sum of cubes and factors in general as

a³ + b³ = (a + b)(a² - ab + b²)

Thus

(a + b)³ + 8c³

= (a + b)³ + (2c)³

= (a + b + 2c)( (a + b)² - 2c(a + b) + (2c)² )

= (a + b + 2c)(a² + 2ab + b² - 2ac - 2bc + 4c²)

8 0
3 years ago
Help me please? I need the ANSWER. 10 points
Ksju [112]
1/4 cups of butter
because 3/4 times 1/3 =
1/4
4 0
3 years ago
Read 2 more answers
What polygon is shown below?
HACTEHA [7]
That shape is a Rhombus

5 0
3 years ago
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Find the unit rate for each person's typing test in words per second 0.5 words/second is the unit rate for James. 3 words/second
Salsk061 [2.6K]

Unit rates is the rate of a quantity in comparison to 1 i.e. unit.

Based on the given parameters, Shanya is the fastest typist

From the question, the unit rates are given as:

  • James: 0.5 words per second
  • Shanya = 3 words per seconds

The unit rates of Tristan and Ebony are not given.

So, we compare the rates of James and Shanya

3 words in a second is greater than 0.5 words in a second.

Hence, Shanya is the fastest typist

Read more about unit rates at:

brainly.com/question/11848573

4 0
2 years ago
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