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nekit [7.7K]
3 years ago
11

The surface area of the top surface of the water in a circular swimming pool is about 188 square feet. Estimate the radius of th

e pool, to the nearest foot. about 8 feet about 14 feet about 12 feet about 10 feet
Mathematics
2 answers:
Scorpion4ik [409]3 years ago
5 0

Your answer would be 14ft.

Just square root 206, then round to the nearest whole number.

Vera_Pavlovna [14]3 years ago
4 0
It's about 206 square feet
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Square ABCD is located on a coordinate plane. The coordinates for three of the vertices are listed below.
Marrrta [24]

Answer:

B'(16,14)

Step-by-step explanation:

First find the coordinates of the vertex B. The center of the square M is the midpoint of the diagonal AC. Since A(2,7) and C(8,1), the center has coordinates

M\left(\dfrac{2+8}{2},\dfrac{7+1}{2}\right)=M(5,4).

Point M is also the midpoint of the diagonal BD. Let B has coordinates (x,y), then

\dfrac{x+2}{2}=5\Rightarrow x=8,\\ \\\dfrac{y+1}{2}=4\Rightarrow y=7.

Hence, B(8,7).

Now, the dilation by a scale factor 2 with the center of dilation at the origin has the rule

(x,y)→(2x,2y).

Thus,

B(8,7)→B'(16,14).

8 0
3 years ago
Suppose account numbers for an internet service provider consist of alpha-numeric characters. The first character is a digit (0
Amiraneli [1.4K]

Answer:

20,442,240 account numbers are possible.

Step-by-step explanation:

The first character has 10 possible values.

The next 2 has 26 * 26 = 676 possible combinations.

The last 4 has 9*8*7*6 = 3024 possible combinations.

So the answer is 10 * 676 * 3024

= 20,442,240.

6 0
2 years ago
What is the solution to this system of equations<br>(5z +y=2<br>( 47 +y=5​
prisoha [69]

Answer:

Z = 8.8 Y = - 42

Step-by-step explanation:

Y = 2 - 5Z

Y = 5 - 47

2 - 5Z = 5 - 47

- 5Z = - 44

5Z = 44

Z = 8.8

Y = 2 - 5 (8.8)

Y = 2 - 44

Y = - 41

Y = 5 - 47

Y = - 42

5 0
3 years ago
A passenger car weighs 4.5 times 10 superscript 3 units. which unit of measure was used? grams ounces pounds tons
Y_Kistochka [10]

Pound is the unit of measure of passengers car weight

According the statement

The weight of passengers car is 4.5 times 10 superscript 3 units.

from this it is clear that the in simple terms the weight become 4.5 * 10^3

AND

the term 10^3 is used when we measure the weight in pounds.

So, Pound is the unit of measure of passengers car weight.

Learn more about WEIGHT here brainly.com/question/2337612

#SPJ4

4 0
1 year ago
3x-1/4&lt;8<br><br> Solve and graph
Alik [6]

Answer:

\large\boxed{x

Step-by-step explanation:

3x-\dfrac{1}{4}

<, > - open circle

≤, ≥ - closed circle

<, ≤ - draw the line to the left

>, ≥ - draw the line to the right

6 0
3 years ago
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