What is the radius of a circular swimming pool with a diameter of 20 feet?

Mathematics

2 answers:

LekaFEV [45]3 years ago

6 0

Answer:

10 feet

Step-by-step explanation:

The half of 20 is 10. So, hence it is 10 feet.

Wewaii [24]3 years ago

3 0

Answer:

Step-by-step explanation:

the radius is half of the diameter

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If two opposite sides of a square are increased by 5 meters and the other sides are decreased by 2 meters, the area of the recta

stira [4]

Let the original length of the square be x cm.
(x+5) X (x-2) = 60
Or, x^2-2x+5x-10-60 = 0
Or, x^2+3x-70=0
Or, x^2+10x-7x-70=0
Or, x(x+10)-7(x+10)=0
Or, (x-7)(x+10)=0
Therefore, x=7 or x=-10 (rejected as the length cannot be negative)
Ans: Area of the square=l^2=7^2=49 square meters.

4 0

3 years ago

The graph below represents the function of f(x), and the table below represents the function g(x). which statement is true?

Igoryamba

Answer: OPTION D.

Step-by-step explanation:

You can observe in the graph that represents f(x) that this function intersects the x-axis at the point (1,0). Then:

$x=1\\y=0$

We know that a function intersects the x-axis when $y=0$ .

We can observe the table that represents the function g(x). When the value of "y" is 0 ( $g(x)=y=0$ ), the value of "x" is -1 ( $x=-1$ ). Therefore, the x-intercept of f(x) is greater that the x-intercept of g(x).

You can observe in the graph that represents f(x) that this function intersects the y-axis at the point (0,-1). Then:

$x=0\\y=-1$

We know that a function intersects the y-axis when $x=0$ . In the table that represents the function g(x), we can see that, when the value of "x" is 0 ( $x=0$ ), the value of "y" is 1 ( $g(x)=y=1$ ). Therefore, the y-intercept of g(x) is greater that the y-intercept of f(x).