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3 years ago

Round 8.87689068442 to 2 decimal places.

Mathematics

1 answer:

Marizza181 [45]3 years ago

3 0

Answer:

The answer is 8.88; You look at the number that comes after the second number (the second place after the decimal) and if that number is 5 or above then you round the second number up. (Sorry if it doesn't make sense, but that's the best I can explain it).

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The diagonal length of a rectangular playing field is 76 feet, and its width is 48 feet. How long is the playing field?

Sauron [17]

The length of playing field is 58.9 feet

Solution:

Given that, the diagonal length of a rectangular playing field is 76 feet,

And its width is 48 feet.

To find: length of playing field

Now, we know that, diagonal, width and length of a rectangle will form an right angle triangle with diagonal as hypotenuse.

So, now, in a right angled triangle we can use pythagorean theorem to find the length

Pythagorean theorem, states that the square of the length of the hypotenuse is equal to the sum of squares of the lengths of other two sides of the right-angled triangle.

By above definition, In a right angled triangle ABC we get

$c^2 = a^2 + b^2$

Where "c" is the length of hypotenuse

"a" is the length of one leg of right angled triangle

"b" is the length of other leg of right angled triangle

$\begin{array}{l}{\text {Then, diagonal = width }^{2}+\text { length }^{2}} \\\\ {76^{2}=48^{2}+\text {length }^{2}} \\\\ {\text {Length }^{2}=76^{2}-48^{2}} \\\\ {\text {Length }^{2}=5776-2304}\end{array}$

$\begin{array}{l}{\text { Length }^{2}=3472} \\\\ {\text { Length }=\sqrt{3472}} \\\\ {\text { Length }=58.92}\end{array}$

Hence, the length of the rectangular field is 58.9 feet

7 0

4 years ago

Mr. Luong makes fifteen dollars an hour. Which equation models the situation

Mila [183]

Answer:

idk the options, but

h represent the number of hours worked. d represent the total dollars earned

d=15h

3 0

3 years ago

Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $3,034 was collected on the sale of 1,226 ticket

Mila [183]

452 adult tickets were sold.
774 student tickets were sold.

6 0

3 years ago

Please help log(8)10 - log(8) -3x = 1

True [87]

Answer: x=2.375937.... sorry I give you the wrong one but here the steps O here x=2.96423 will it can be any one of the two answer I give you now.

Step-by-step explanation: Hope this help :D

8 0

3 years ago

Read 2 more answers

The length of the hypotenuse of a right triangle is 50 inches. Determine the length of the legs if each leg is the same length.

algol13

Answer:

25√2 ≈ 35.36 inches

Step-by-step explanation:

The Pythagorean theorem can be used to find the leg length for the given conditions. It tells you the relation between legs a, b, and hypotenuse c is ...

c² = a² +b²

If a=b, and c=50, this becomes ...

50² = a² +a²

1250 = a² . . . . divide by 2

25√2 = a . . . . take the square root

The length of each leg is 25√2 ≈ 35.36 inches.

4 0

3 years ago