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romanna [79]
3 years ago
14

If a line with a slope of -2 crosses the y-axis at (0, 3), what is the equation line? Is it

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0
The answer is d y+2x=3
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Evaluate the following expressions if a = 2, b = 3, x = 4, and y = 5.<br> b^2+3(2x-y)
butalik [34]

Hi there! Hopefully this helps!

-------------------------------------------------------------------------------------------------------

<h2 /><h2>Answer: 18</h2><h2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h2><h2 />

First we need to substitute the value of the variable into the expression.

b^{2}+3(2x-y) = 3^{2} + 3 (2(4)-5) .

Now we need to solve 3^{2} + 3 (2(4)-5).

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

3^{2} + 3 (2(4)-5)

First, calculate 3 to the power of 2 and get 9.

9+3(2\times 4-5)=18

Multiply 2 and 4 to get 8.

9+3(8-5) =18  

Subtract 5 from 8 to get 3.    

9+3\times 3 =18  

Multiply 3 and 3 to get 9.

9+9 =18.

<h2>And the answer is, you guessed it, 18!</h2>

7 0
3 years ago
Assume that a​ student's alarm clock has a 11.2 ​% daily failure rate. What is the probability that the​ student's alarm clock w
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Daily failure rate = probability that it will not work on any particular day.


6 0
3 years ago
I need help with my math
natulia [17]

The Slope of a Line

Suppose we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

\displaystyle m=\frac{y_2-y_1}{x_2-x_1}

The graph provided suggests the use of the points (3,-3) and (5,-3). The slope is:

\displaystyle m=\frac{-3+3}{5-3}=\frac{0}{2}=0

The slope of the line is 0. It corresponds to a horizontal line

6 0
1 year ago
Find the area of an equilateral triangle whose value is 18 cm​
rusak2 [61]

Answer:

18 + 18 + 18 = 18 \times 3 = 54

Step-by-step explanation:

I ain't sure but it might help you out:D

3 0
3 years ago
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The following box plot shows the number of books sold each day at a store for 80 days. How many days did the bookstore sell 2 to
ddd [48]

Answer:

882

Step-by-step explanation:

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3 years ago
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