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RoseWind [281]
2 years ago
8

Laura's new bedroom is in the shape of a square and has an area of 144 ft2

Mathematics
2 answers:
Nesterboy [21]2 years ago
5 0

Answer:

area = 144 ft2

each side is 12

Step-by-step explanation:

take square root of 144 which is 12

oksian1 [2.3K]2 years ago
3 0
<h2 /><h2>She should find the square root, of 144 sq ft, which is 12 ft</h2><h2 /><h2>Hope that helps!</h2>
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What is the circumference of the circle that circumscribes a triangle with side lengths 3, 4, and 5?
djyliett [7]

Answer:

  5π, about 15.708 units

Step-by-step explanation:

A 3-4-5 triangle is a right triangle. When a circle circumscribes a right triangle, the hypotenuse is the diameter of the circle. The circumference of a circle is given by ...

  C = πd

For a diameter of 5 units, the circumference is ...

  C = π(5) = 5π = 15.708 . . . units

_____

<em>Additional comment</em>

The (3, 4, 5) triple is one of the first Pythagorean triples you run across. It is the smallest integer triple, and the only primitive triple with values in an arithmetic sequence. You can show this is a Pythagorean triple by ...

 3² + 4² = 9 +16 = 25 = 5²

That is, these numbers satisfy the Pythagorean theorem relation for sides of a right triangle.

6 0
2 years ago
Triangle has side length 7, 10 and 12 is it a right triangle explain your reasoning
Vikentia [17]

Answer: No, because 7^2 + 10^2 is > 12^2

Step-by-step explanation: 7^2 +10^2= 49 + 100= 149 149 \neq 144

5 0
2 years ago
Make double add 9+8=
vfiekz [6]

so maybe 6 plus 3 which equals 9. Then add 8 at the end

6 0
3 years ago
a line represented by y = 5x − 2 and a line perpendicular to it intersect at r(1, 3). what is the equation of the perpendicular
Snezhnost [94]
Y=ax+b, y=cx+d (a≠0, c≠0)
If the two line cross perpendicularly ⇔ ac= -1

So a tangent of the perpendicular line is "-(1/5)".

Then, the equation of the perpendicular line is y=-(1/5)x+a (a is <span> y-intercept</span>).

On the other hand, this equation pass r(1, 3), so 

3 = -(1/5) times 1 + a

∴ a=16 / 5 

Therefore, y=-(1/5)x+16 /5 is answer.

By the way, I'm Japanese so if you find some mistakes in my English, please let me know.


5 0
3 years ago
The book fair sold 60% of the books
natka813 [3]

Answer:

120 Books

Step-by-step explanation:

60% of 120 is 72

6 0
3 years ago
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