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yawa3891 [41]
3 years ago
7

Can someone explain functions in algebra to me please

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
4 0

Answer:

They are hard and you Just have to follow the steps of solbing them

Step-by-step explanation:

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An economist wants to predict the Gini of the US by Year. Select the answer choice that correctly interprets R-Squared. Group of
olga55 [171]

Answer:

0.451751 is the proportion of variability of Gini Coefficient explained by our least squares lines

Step-by-step explanation:

Given

R\ squared = 0.451751

To predict: Gini by year

Required

Interpret the R squared

In statistics, r squared measures the extent to which the variance of one variable explains the variance of the other variable.

In this question, the variable to predict is Gini:

From the list of options, (c) is correct

5 0
3 years ago
Please answer this, i am so confused
Virty [35]

The bag of dog food would last for 21 days.

The bag contains 42 cups of dog food. If the dog eats 2\frac{1}{3} cups everyday, the amount of cup in the bag decreases by 2\frac{1}{3} cups everyday. This can be represented with this expression: 42 - 2\frac{1}{3}d. Where d represents the number of days.

In order to determine the number of days in which the bag would be emptied, this equation can be used:

Number of days the dog food would last = number of cups in the cup / amount the dog eats each day

42 ÷ 2\frac{1}{3}

42 ÷ \frac{7}{3}

42 x \frac{3}{7} = 21 days

To learn more, please check: brainly.com/question/11801850?referrer=searchResults

4 0
2 years ago
License plate in a particular state display 3 letters followed by 3 numbers how many different licenses plates can be for this s
34kurt

Answer:

What state? There is no state there

7 0
3 years ago
Jake and vinny are at a pizzeria .They both order a whole pizza and eat part of it.jake has 2/4 of his pizza left and vinnny has
Sedaia [141]
3/5 = 12/20
2/4 = 10/20
Since 12 is greater than 10, Vinny ate more
4 0
3 years ago
How do you solve for the slope of a line with the equation ax^2 + bx + c?
ololo11 [35]
<h2>The graph of y = ax^2 + bx + c </h2><h2>A nonlinear function that can be written on the standard form </h2><h2>ax2+bx+c,where a≠0 </h2><h2>All quadratic functions has a U-shaped graph called a parabola. The parent quadratic function is </h2><h2> y=x2 </h2><h2> The lowest or the highest point on a parabola is called the vertex. The vertex has the x-coordinate </h2><h2>x=−b2a </h2><h2>The y-coordinate of the vertex is the maximum or minimum value of the function. </h2><h2>a > 0                   parabola opens up                    minimum value </h2><h2>a < 0                    parabola opens down              maximum value </h2><h2> A rule of thumb reminds us that when we have a positive symbol before x2 we get a happy expression on the graph and a negative symbol renders a sad expression. </h2><h2>The vertical line that passes through the vertex and divides the parabola in two is called the axis of symmetry. The axis of symmetry has the equation </h2><h2>x=−b2a </h2><h2>The y-intercept of the equation is c. </h2><h2> When you want to graph a quadratic function you begin by making a table of values for some values of your function and then plot those values in a coordinate plane and draw a smooth curve through the points.</h2>
3 0
3 years ago
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