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Oliga [24]
3 years ago
12

Find the length of a leg

Mathematics
1 answer:
Alona [7]3 years ago
4 0
2 corners are both 45 degrees, meaning that they are both the same length.

For this we use the pythagorean theorem, but a bit modified:
a^2 + a^2 = c^2
2a^2 = 256

Solve for a:
a^2 = 128
a = 8 √2

One leg is equal to √128 or 8 √2.
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Which of the following tables shows the correct steps to transform x2 + 10x + 24 = 0 into the form (x − p)2 = q?
kkurt [141]

The correct steps to transform x² + 10x + 24 = 0 into the form (x − p)² = q is

d.

Step 1: x² + 10x + 24 + 1 = 0 + 1

Step 2: x² + 10x + 25 = 1

Step 3: (x + 5)² = 1

To transform x² + 10x + 24 = 0 into the form (x − p)² = q where [p and q are integers], we perform the following steps of transformation.

<h3>What is transformation?</h3>

This is process of converting one expression to the other by performing some mathematical operations.

<h3>How to transform x² + 10x + 24 = 0 into the form (x − p)² = q </h3>

x² + 10x + 24 = 0

We add 1 to both sides.So,

Step 1: x² + 10x + 24 + 1 = 0 + 1

Thus, we have

Step 2: x² + 10x + 25 = 1

Since the left-hand-side x² + 10x + 25 = (x + 5)²

So, we have

x² + 10x + 25 = 1

Step 3: (x + 5)² = 1

So, the correct steps to transform x² + 10x + 24 = 0 into the form (x − p)² = q is

d.

Step 1: x² + 10x + 24 + 1 = 0 + 1

Step 2: x² + 10x + 25 = 1

Step 3: (x + 5)² = 1

Learn more about transformation here:

brainly.com/question/27224339

3 0
2 years ago
What does 13(9−6m)+14(12m−8) =
Nadya [2.5K]

m= 70/27 simplified m= 2 16/27

7 0
3 years ago
Read 2 more answers
The length of a rectangle is 3 ft less than twice the width, and the area of the rectangle is 44 ft^2 . Find the dimensions of t
Vinvika [58]

Answer:

Hi there! The width of the rectangle is 5.5ft and the length is 8ft.

Let the width of the rectangle be represented by X. This learns us the length of the rectangle is 2X - 3.

Therefore the area of the rectangle (which is length * width) would be

Since the area of the rectangle is 44 ft^2, we end up with the following equation.

Since X represents the width (and width can't be negative), the width of the rectangle is 5.5ft

The length is

2X - 3 = 2 × 5.5 - 3 = 11 - 3 = 8ft.

Step-by-step explanation:

7 0
2 years ago
Miguel quiere entrenar para la carrera solidaria de verano en uno de los dos parques que tiene cerca de casa. Su plan es correr
kondor19780726 [428]

Answer:

  • <em>The square park is more convenient.</em>

Explanation:

The translation of the question is:

<em>Miguel wants to train for the summer solidarity race in one of the two parks that he has close to home. His plan is to run about 10 km each day and he wants to do an exact number of laps around the park to always start and end at the entrance. Since he has not quite decided between the square and the rectangular park, he decides to do some calculations to see which one suits him best.</em>

<em>Square park: 423 meters each side</em>

<em>Rectangular park: 673 meters measures the base and 218 meters the height</em>

<em />

<h2>Solution</h2>

<u />

<u>1. Calculate the perimeter of the square park</u>

The perimeter of a square is the sum of the four side lengths. Since they are equal it is:

  • Perimeter = 4 × side lenght
  • Perimeter = 4× 423m = 1,692 m

<u />

<u>2. Calculate how many times 1,692m is in 10 km</u>

10 km is 10,000 m. Then, divide 10,000 by 1,692 m:

  • Number of laps = 10,000m / 1,692m ≈ 5.91 laps

<u>3. Calculate the perimeter of the rectangular park</u>

  • Perimeter = 2×base + 2×height
  • Perimeter = 2×673m + 2×218m = 1,782m

<u>4. Calculate how many times 1,782 is in 10km</u>

  • Number of laps = 10,000m / 1,782m ≈ 5.61 laps

Then, since the number 5.91 is closer to an integer number than 5.61, you conclude that the square park is more conventient, because by running 6 laps around the square park the number of kilometers run will be closer to 10 km than with any number of complete laps in the rectangular park.

3 0
3 years ago
REPLY BACK PLEASE.. HAVE NO CLUE AT ALL
melisa1 [442]
Go on a calculator 
cosine=Adjacent/Hypotenuse
Cosine=6/ 3 the square root of 5
reduce to 1/square root of 5 which is your answer...so the answer is B)

Hope this helps!!

8 0
3 years ago
Read 2 more answers
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