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m_a_m_a [10]
2 years ago
8

If the side of a square is 3 feet, the unit of it's area will be ______

Mathematics
1 answer:
sveta [45]2 years ago
6 0

Answer:

9

Step-by-step explanation:

Given,

Side of square = 3 feet.

To find : Area of square = ?

Formula : -

Area of square = ( side )²

Area of square

= 3²

= 3 x 3

= 9 feet²

Therefore,

The unit of it's area will be 9 feet².

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A circle is centered at J(3, 3) and has a radius of 12.
stealth61 [152]

Answer:

(-6,\, -5) is outside the circle of radius of 12 centered at (3,\, 3).

Step-by-step explanation:

Let J and r denote the center and the radius of this circle, respectively. Let F be a point in the plane.

Let d(J,\, F) denote the Euclidean distance between point J and point F.

In other words, if J is at (x_j,\, y_j) while F is at (x_f,\, y_f), then \displaystyle d(J,\, F) = \sqrt{(x_j - x_f)^{2} + (y_j - y_f)^{2}}.

Point F would be inside this circle if d(J,\, F) < r. (In other words, the distance between F\! and the center of this circle is smaller than the radius of this circle.)

Point F would be on this circle if d(J,\, F) = r. (In other words, the distance between F\! and the center of this circle is exactly equal to the radius of this circle.)

Point F would be outside this circle if d(J,\, F) > r. (In other words, the distance between F\! and the center of this circle exceeds the radius of this circle.)

Calculate the actual distance between J and F:

\begin{aligned}d(J,\, F) &= \sqrt{(x_j - x_f)^{2} + (y_j - y_f)^{2}}\\ &= \sqrt{(3 - (-6))^{2} + (3 - (-5))^{2}} \\ &= \sqrt{145}  \end{aligned}.

On the other hand, notice that the radius of this circle, r = 12 = \sqrt{144}, is smaller than d(J,\, F). Therefore, point F would be outside this circle.

5 0
3 years ago
A rental car company charges $77. 50 per day to rent a car and $0. 14 for every mile
muminat

77.5d + .14m

m = 425

.14 * 425 = 59.5

77.5d + 59.5 ≤ 230

77.5d ≤ 170.5

d ≤ 170.5/77.5

d ≤ 2.2

if they only take payment for whole days, he has 2 whole days

6 0
1 year ago
What is the geometric mean of 3 and 147?
pychu [463]

to find the geometric mean, multiply them together, then take the square root

3*147

441

sqrt(441)

21

The geometric mean is 21

7 0
2 years ago
Read 2 more answers
Hi everyone how is your day going so far?
julia-pushkina [17]

Answer:

Good! How is yours?

7 0
3 years ago
Read 2 more answers
(-8, -1) slope = -3/4
babunello [35]

Answer:

y=-3/4x - 7

Step-by-step explanation:

When finding the slope given a point and a slope, we do the following.

y=mx+b  (Slope-intercept Form)

m is the slope and x,y are the points

Plug in everything

-1= -3/4(-8)+b

Multiply

-1 = 6 + b

-7 = b

This gives us the final equation of y=-3/4x - 7

7 0
3 years ago
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