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love history [14]
3 years ago
5

Answer to this question please?

Mathematics
1 answer:
egoroff_w [7]3 years ago
7 0
7 mphs faster...............
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Suppose the current cost of gasoline is ​$2.58 per gallon. Find the current price index​ number, using the 1975 price of 56.7 ce
AleksandrR [38]

Answer:

Current price index​ number = 455

Step-by-step explanation:

Given:

Current cost of gasoline = ​$2.58 per gallon

1975 price of gasoline = 56.7 Cents = 56.7 / 100 = $0.567 per gallon

Find:

Current price index​ number = ?

Computation:

Current price index​ number = (Current cost / Reference cost) 100

Current price index​ number = (​$2.58 / $0.567)100

Current price index​ number = (4.55​)100

Current price index​ number = 455

7 0
2 years ago
Someone please help im stuck
BARSIC [14]
The answer is b, -11.
plug in 3 as the input and solve.
4 0
2 years ago
What is the base of a triangle with a height of 14 cm and an area of 42 square cm?
sasho [114]

Answer:

6cm

Step-by-step explanation:

area =  \frac{1}{2} \times  base \times  height \\ 42 =  \frac{1}{2}  \times b \times 14 \\ 42 =  \frac{14b}{2}  \\ 42 = 7b \\  \frac{42}{7}  =  \frac{7b}{7}  \\ base = 6cm

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em>

5 0
3 years ago
Read 2 more answers
When a dummy variable is included in a regression model that has one numerical independent variable, what assumption do you need
sukhopar [10]

Answer:

Step-by-step explanation:

You need to assume that the slope between the dependent Varian and the numerical independent variable is zero.

In regression analysis, to find the effect of one independent variable on the dependent variable, there has to be no interference from the other independent variables whether they be categorical (dummy) or numerical independent variables.

A dummy variable is one which takes on the value of 0 or 1, to represent the absence or presence (respectively) of a given category which is expected to influence the dependent variable.

When a dummy independent variable is included in a regression model, to know the effect of that dummy or category (e.g. day =1, night =0) on the dependent variable, the influence of the numerical independent variable has to be removed temporarily.

In a regression equation,

Y=a+bX+cK

Y is the dependent variable

a is the intercept on the vertical axis on the graph

b is the slope between the dependent variable Y and the independent numerical variable X

c is the slope between the dependent variable Y and the dummy variable K

3 0
2 years ago
F(x)=2x + 1 and g(x) = -3x+4. Find f(x) + g(x)
Aneli [31]
To do this, simply add the 2 functions-as it says:

(2x+1) + (-3x+4)
2x+1-3x-4
-x-3

Your answer is -x-3
5 0
2 years ago
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