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4 years ago

A square has a perimeter of 12x + 52 units. Which expression represents the side length of the square in units?

Mathematics

2 answers:

yKpoI14uk [10]4 years ago

6 0

Answer:

its 3x+13 units

Step-by-step explanation:

KiRa [710]4 years ago

5 0

Since we know that a square has all equal sides, we can simply divide the perimeter by 4 to get each side length.

$\frac{12x+52}{4}=3x+13$

Using the information above, we can see that each side is 3x+13 units.

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KATRIN_1 [288]

1st question

Answer: y = 200x

y = 400

x = 2

400 = 200*2

2nd question

Answer: y = 2x

y = 6

x = 3

6 = 2*3

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3 years ago

What is the circumference of a circular swimming pool with a diameter of 6 ½ feet? (use 22 over 7 as pi)

trapecia [35]

Answer:

10.21 feet.

Step-by-step explanation:

circumference of circle with diameter d is given by $\pi d$

where r is the radius of the circle.

_____________________________

given

diameter = 6 1/2 = 13/2 feet

\thus, circumference of circle is calculated as following

$circumference = \pi *13/2 = 22/7 * 13/2\\circumference = 11*13/7*2 = 143/14 = 10.21$

Thus, circumference of given circle is 10.21 feet.

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3 years ago

Find the midpoint of the segment with endpoints (-4,5) (1,3) and enter its coordinates as an ordered pair. Please help!!!! No li

docker41 [41]

Answer:

6-2

Step-by-step explanation:

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3 years ago

The co-ordinate of the point whose abscissa is -3 and ordinate is 0 is (0,-3)

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3 years ago

Consider a triangle ABC like the one below. Suppose that a = 31, b = 23, and c = 20. (The figure is not drawn to scale.) Solve t

krok68 [10]

The solution to the triangle is A = 92.0, B = 47.9 and C = 40.1

<h3>How to solve the triangle?</h3>

The figure is not given;

However, the question can still be solved without it

The given parameters are:

a = 31, b = 23, and c = 20

Calculate angle A using the following law of cosine

a² = b² + c² - 2bc * cos(A)

So, we have:

31² = 23² + 20² - 2 * 23 * 20 * cos(A)

Evaluate

961 = 929 - 920 * cos(A)

Subtract 929 from both sides

32 =- 920 * cos(A)

Divide both sides by -920

cos(A) = -0.0348

Take the arc cos of both sides

A = 92.0

Calculate angle B using the following law of sine

a/sin(A) = b/sin(B)

So, we have:

31/sin(92) = 23/sin(B)

This gives

31.0189 = 23/sin(B)

Rewrite as:

sin(B) =23/31.0189

Evaluate

sin(B) =0.7415

Take arc sin of both sides

B = 47.9

Calculate angle C using:

C = 180 - 92.0 - 47.9

Evaluate

C = 40.1

Hence, the solution to the triangle is A = 92.0, B = 47.9 and C = 40.1