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trapecia [35]
3 years ago
8

a large water tank measures 6 feet across and 4 feet high. it is being filled with water at a rate of 10 gallons per minute. abo

ut how many hours will it take to fill the pool if 1 cubic feet of water is about 7.5 gallons? round to the nearest tenth.
Mathematics
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

ooooooooooooooooooooooooooooh

Step-by-step explanation:

oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooh

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What is the equation in slope-intercept form of the linear function represented by the table?
umka2103 [35]

Answer:

y = -x + 9

Step-by-step explanation:

You are given (-5,14), (-2,11), (1,8), and (4,5).  Your first objective is to find the slope.

Slope is delta y divided by delta x - the amount of height the graph gains divided by the amount of horizontal length the graph gains.  Take any two points and plug it into this: \frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

i.e. (-2,11) and (4,5): \frac{11-5}{-2-4} which is \frac{6}{-6}, or -1.  Thus, the slope is -1.

We now have y = -1(x) + b, or just y = -x + b.

Next, find the y-intercept.  Set the value of x to 0, as the y-intercept is found along the y-axis, which is at the horizontal center of the graph, 0.  We now know that the y-intercept is (0,y).  To find the y-value, plug one of the coordinate pairs of choice into x and y.

i.e. (-5,14): 14 = (-1)(-5) + b

14 = 5 + b

14 - 5 = 5 + b - 5

9 = b

So, the y-intercept is (0,9).

Finally, the equation is:

y = -x + 9

7 0
2 years ago
Use a graphing tool to solve the system. {13x+6y=−30x−2y=−4 Which ordered pair is the best estimate for the solution to the syst
Gnoma [55]
13x+6y = -30................y = -5 -13x/6
x−2y=−4...................... y = x/2 +2 <span>

If we graph both lines we can get the solution of the system (point of intersection)

The best estimate is (x,y) = (-2.625, 0.688)</span>

8 0
3 years ago
Read 2 more answers
You are going to order a pizza, in how many ways can you select a pizza if you can choose from 4 crusts, 3 sauces, 9 toppings, a
Stels [109]

Answer:

648

Step-by-step explanation:

I believe the formula is 4 * 3 * 9 * 6

3 0
3 years ago
A square has side length (7 x − 2) inches. what is the area of the square?
Aneli [31]

Answer:

49x^2 - 28x + 4

Step-by-step explanation:

(7x - 2)(7x - 2)

Because squares have the same length of sides.

49x^2 - 28x + 4

7 0
3 years ago
PLZZ Help me algebra 2.
Kipish [7]

Answer:

32

Step-by-step explanation:

7 0
3 years ago
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