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mr_godi [17]
3 years ago
10

Please help and give explanation

Mathematics
1 answer:
Firlakuza [10]3 years ago
8 0

Answer:

100 mins

Step-by-step explanation:

total no of gallons pool can hold=4500

gallons pool already holds=1500

rate of adding water= 30 gallons per min

time he can continue filing= 4500-1500/30

=3000/30

=100 minutes (m value)

correct me if I'm wrong appreciate me if I'm good

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can someone help me with these??? I really appreciate it!!! I did one of them already. ( if the first one is wrong can someone p
Anestetic [448]

Answer:

the answer to your questions are below

Step-by-step explanation:

1.-

          x = 3x - 60

        3x - x = 60

            2x = 60

             x = 30

            A = 30

2.-  

        - x + 26 = 2x - 10

       2x + x = 26 + 10

       3x = 36

        x = 36/3

        x = 12

        D =  2(12) - 10

        D = 24 - 10

        D = 14

3.-

    5x + 10 = 7x - 12

   7x - 5x = 10 + 12

          2x = 22

          x = 22/2

          x = 11

4.-   4x + 7 = 5(x - 4)

      4x + 7 = 5x - 20

      5x - 4x = 7 + 20

            x = 27

5.- 6(x - 2) = 3x + 30

    6x - 12 = 3x + 30

    6x - 3x = 30 + 12

           3x = 42

           x = 14

 DHG = 6(14 - 2)

DHG = 6(12)

DHG = 72

7 0
3 years ago
I need help, please :0
kobusy [5.1K]

Answer:

y = 7

Step-by-step explanation:

If SQ is bisector then (5y+3)=(7y-11)

(5y+3) = (7y-11)

5y+3 = 7y-11

3 = 2y - 11

14 = 2y

2y = 14

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6 0
3 years ago
Graph f(x), -f(x) and y= 4x ^ 2 cos(x)
Ann [662]

Answer:

See attached image for the graph of the function

Step-by-step explanation:

Notice that this is the product of a power function (4x^2) times the trigonometric and periodic function cos(x). So the zeros (crossings of the x axis will be driven by the values at which they independently give zero. That is the roots of the power function (only x=0) and the many roots of the cos function: x= \frac{\pi}{2} , \frac{3\pi}{2} ,..., and their nagetiva values.

Notice that the blue curve in the graph represents the original function f(x), with its appropriate zeros (crossings of the x-axis), while the orange trace is that of "-f(x)". Of course for both the zeroes will be the same, while the rest of the curves will be the reflection over the x-axis since one is the negative of the other.

5 0
3 years ago
I need this question explained please thank you so much, the answer would be nice.
Butoxors [25]
Y-intercept is where it goes through the y axis. So if you look at the image, it cuts through the y-axis at (-24, 0), so that is the y-intercept,
6 0
3 years ago
Please help as soon as you can, anybody ?
Ipatiy [6.2K]

Answer:

12.74

Step-by-step explanation:

20 divided by 2 times 3.14

8 0
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