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salantis [7]
2 years ago
7

Write the fraction in simplest form. start fraction 8 over 10 end fraction A. Start Fraction 16 over 20 End Fraction B. start fr

action 2 over 5 end fraction C. start fraction 4 over 5 end fraction D. start fraction 2 over 10 end fraction 1 / 4
Mathematics
1 answer:
Arada [10]2 years ago
8 0

Answer:

a. 4/5 b. 2/5 c. 4/5 d. 1/5

Step-by-step explanation:

a. four is common in 16 and 20 which makes it 4 over 5

b. 2/5 is in simplest form

c. 4/5 is simplest form

d. 2 is common with 2 and 10 and 2 goes into 2 one time and 2 goes into 10 5 times so it's 1/5

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Unit 8: Right Triangles & Trigonometry Homework 2: Special Right Triangles...Please Help!
Anton [14]

Answer:

  • x = 8√3
  • y = z = 12√2

Step-by-step explanation:

We presume you want the values of x, y, and z.

__

There are two "special triangles" in geometry and trigonometry. They are the 30°-60°-90° right triangle that is half of an equilateral triangle, and the 45°-45°-90° isosceles right triangle that is half a square (cut by the diagonal).

The side ratios of these special triangles are relatively easy to remember. It is useful to memorize them.

__

For the isosceles right triangle, the side lengths are the same. The Pythagorean theorem tells you that if they are both 1, then the hypotenuse is ...

  √(1²+1²) = √2

That is, the side lengths of the 45-45-90 triangle are in the ratio ...

  1 : 1 : √2

__

For the triangle that is half an equilateral triangle, you know the hypotenuse is twice the length of the shortest side (since we got that short side by cutting a long side in half). Then the longer side can be found from the Pythagorean theorem:

  √(2²-1²) = √3

That is, the side lengths of the 30-60-90 triangle are in the ratio ...

  1 : √3 : 2

_____

In this problem, we're given the hypotenuse of a 30-60-90 triangle, so we know the short side of it (x) will be half that length:

  x = (16√3)/2

  x = 8√3

The hypotenuse of the 45-45-90 triangle will be √3 times x, so will be ...

  long side of small triangle = (√3)(8√3) = 24

The shorter sides of that 45-45-90 triangle will be this value divided by the square root of 2, so are ...

  y = z = 24/√2

We can multiply this by (√2)/(√2) to "rationalize the denominator".

  y = z = 12√2

3 0
3 years ago
Write a ratio that is equivalent to 8:6
snow_tiger [21]

Answer:

4/3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A family buys a studio apartment for $240,000. They pay a down payment of $60,000.
stealth61 [152]

Answer:

Part A: 25%
Part B: 40%

Step-by-step explanation:

Given the following questions:

$240000 for a studio apartment
$60000 as a down payment.

In order to find the answer, we use the formula to calculate the percentage for the total cost of the studio apartment and the down payment.


<u>Part A:</u>
\frac{c\times n}{100}
\frac{25\times240000}{100} =25\times240000=60000
=60000

<u>Part B:</u>
\frac{c\times n}{100}
\frac{40\times240000}{100} =40\times240000=9600000\div100=96000
=96000

The percent of a down payment of $60,000 for a $240,000 studio apartment is "25%." While the percent of a $96,000 dollar down payment for a $240,000 studio apartment is "40%."

Hope this helps.

8 0
2 years ago
How are percents related to rates?
BartSMP [9]

Answer:

A percentage is defined as the ratio of two numbers times 100.

3 0
3 years ago
Read 2 more answers
80 members decreased by 65% =
BabaBlast [244]

65% of 80 is 52

52 Members

3 0
3 years ago
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