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oksian1 [2.3K]
2 years ago
15

Is this correct?

Mathematics
1 answer:
Brrunno [24]2 years ago
3 0
Yes this is correct
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The graph below shows the water level of a tank that is emptying over time.
Allisa [31]
From inspecting the graph, you can identify the y-intercept and the slope of the line shown.

The y-intercept is 200 gallons.
The slope is 

             75-200
    m = ------------- = -12.5 gallons/minute
               10 -  0

Thus, y = 200 gallons - [12.5 gallons/minute ]t

To answer the 2nd question, let t = 12 minutes and calculate y(12).

To determine how long it wld take to empty the tank, set the above formula equal to zero and solve the resulting equation for t.
3 0
3 years ago
The coordinates of point 7 are given. The midpoint of ST is (5. - 8). Find the coordinates of point S.
Mamont248 [21]

Answer:

S(0, 2)

Step-by-step explanation:

Midpoint Formula: (\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )

Step 1: Plug in known variables

5 = (10 + x)/2

-8 = (18 + y)/2

Step 2: Solve

10 = 10 + x

x = 0

-16 = 18 + y

y = 2

Step 3: Write coordinates

(0, 2)

4 0
3 years ago
A local restaurant purchased 45 pounds of flour at a total cost of $38.25 determine the unit cost per pound
xxTIMURxx [149]
$0.85
38.25/45= .85
TO CHECK
.85 times 45 equals 38.25
7 0
3 years ago
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If one root is the square root of the other in the equation 8 + mx + 27x^2 = 0, find the value of m​
ICE Princess25 [194]

Answer:

Step-by-step explanation:

6 0
3 years ago
Integers contain the whole numbers.true or false
julia-pushkina [17]
True, Integers mean "whole", and it cannot be a fraction or decimal


hope this helps
4 0
3 years ago
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