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max2010maxim [7]
2 years ago
13

During the spring and summer, a concession stand at a community Little League baseball game field sells soft drinks and other re

freshments. To prepare for the season, the concession owner refers to the previous year’s files, in which he had recorded the daily soft drinks sales (in gallons) and the average daily temperature (in degrees Fahrenheit). Using the coordinates of the two points (84,80) and (74,65), determine the slope of the line of best fit.
Mathematics
2 answers:
Ann [662]2 years ago
7 0

Answer:

1.5

Step-by-step explanation:

m=80-65/84-74

=15/10

1.5

*Since this is an application problem, we can use decimals.*

blsea [12.9K]2 years ago
4 0

Answer:

The slope of the line is 1.5

Step-by-step explanation:

To know the slope of a line we can have the equation or to know points of the line. In this case from the graph we have to points (84,80) and (74,65). Having this and using the equation to calculate the slope, we have:

m=\frac{y2-y1}{x2-x1} \\

Defining:

(x1=84,y1=80) and (x2=74,y2=65)

Now using the equation:

m=\frac{65-80}{74-84}

m=\frac{-15}{-10} \\m=\frac{15}{10} =1.5

The slope of the line is 1.5

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the empire state building is 1250 feet tall. IF an object is thrown upward from the top of the building at an initial velocity o
ss7ja [257]

Answer:

Time for the object to get h(max)    s = 1.1875 sec

h (max)  = 1272.57 feet

Down time for the object to hit the ground   =  4.25 sec

Step-by-step explanation:

The relation

h(s)  =  -  16*s²  +  38* s  + 1250    (1)

Is equivalent to the equation for vertical shot

Δh = V(i)*t  -  1/2g*t²  (in this case we don´t have independent term since the shot is from ground level. We can see in (1), the independent term is 1250 feet ( the height of the empire state building), the starting point of the movement.

The description of the movement is:

V(s)  =  V(i)  - g*s     ⇒  V(s) = 38 - 32*s

At h(max)    V(s)  =  0      38/32  = s

So the maximum height is at  s = t = 1.1875 sec

The time for the object to pass for starting point is the same

t  =  1.1875 sec

h(max) is

h(max)  = - 16* (1.1875)² +  38 (1.1875) + 1250

h(max)  =  -  22,56  +  45.13  +  1250

h(max)  =  1272.57 feet

Time for the object to hit the ground is

h(s)  =  - 1250 feet

-1250  =  - 16 s² + 38*s  + 1250

-16s² +  38s  =  0

s ( -16s + 38 )  =  0

First solution for that second degree equation  is x = 0 which we dismiss

then  

( -16s + 38 )  =  0    ⇒ 16s   =  38     s  =  38/16

s =  2.375 sec    and  we have to add time between h (max) and to get to starting point  ( 1. 1875 sec)

total time is  = 2.375 + 1.875

Total time  =  4.25 sec

4 0
3 years ago
This is math (the reason why i keep saying that is because im trying to say something with out it saying "add something in text
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Steven needs a total of 320 points to have a mean score of 80

Steven has 245 points so far

Steven needs to score at least 75 points on his last test to qualify for the team

5 0
3 years ago
Read 2 more answers
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Answer:

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7 0
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You want to make a necklace with 5 beads on it; you have a bag that contains 5 differently colored beads. You draw a bead from t
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(5a-5)(2a+2)<br> Find each product
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(<span>5a-5)(2a+2)
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The product of the equation is </span>10a^2 - 10
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3 years ago
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