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hichkok12 [17]
3 years ago
13

Using the technique in the model above, find the missing sides in this 30°-60°-90° right triangle.

Mathematics
2 answers:
valina [46]3 years ago
8 0

Answer:

2 times square root of 3

nydimaria [60]3 years ago
4 0
For this case what you should do is use the following trigonometric relationship:
 tan (x) = C.O / C.A
 Where
 x: angle
 C.O: opposite leg
 C.A: adjoining catheto
 Substituting the values we have:
 tan (60) = long / short
 tan (60) = long / 2
 long = 2 * tan (60)
 long = 3.46
 Answer: 
 long = 3.46
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The perimeter of a rectangular field is 168 feet. The field is 36 feet wide. How long is the field
Dmitriy789 [7]
To find the length, divide the peremiter by 2 and then subtract the width.

Length= Peremiter/2 - width
L = P/2 - W
L = 168/2 - 36
L = 84 - 36
L = 48

The length is 48
7 0
3 years ago
Using the quadratic formula to solve 11x²-4x=1 What are The values of X?
Anvisha [2.4K]
11x^2 - 4x = 1
11x^{2} - 4x - 1 = 1 - 1
11x^{2} - 4x - 1 = 0
x = \frac{-(-4) \± \sqrt{(-4)^{2} - 4(11)(-1)}}{2(11)}
x = \frac{4 \± \sqrt{16 + 44}}{22}
x = \frac{4 \± \sqrt{60}}{22}
x = \frac{4 \± 2\sqrt{15}}{22}
x = \frac{2 \± \sqrt{15}}{11}
x = \frac{2 + \sqrt{15}}{11}\ \bold{or}\ x = \frac{2 - \sqrt{15}}{11}
8 0
3 years ago
Read 2 more answers
Solve for x. 3x/2 = 15 x = 22 1/2 x = 10 1/2 x = 10 x = 1/10
Leokris [45]

Answer:

x = 10

Step-by-step explanation:

(3x)/2 = 15 is your question.

Isolate the variable (x). Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS (Parenthesis, Exponent (& roots), Multiplication, Division, Addition, Subtraction).

First, multiply 2 to both sides

((3x)/2) = (15)(2)

3x = (15)(2)

3x = 30

Next, to isolate the variable (x), divide 3 from both sides

(3x)/3 = (30)/3

x = 30/3

x = 10

x = 10 is your answer

~

8 0
3 years ago
Read 2 more answers
If f(x) =2x-6 then f(1)=​
marin [14]

Answer:

f(1) = -4

Step-by-step explanation:

Given that,

f(x) = 2x-6

We need to find the value of f(1).

Put x = 1 in the above expression.

f(1) = 2(1)-6

= 2-6

= -4

So, the value of f(1) is equal to -4.

7 0
2 years ago
0.0000000435970 in scientific notation
sasho [114]

Answer:= 4.35970 × 10-8(scientific notation)

= 4.35970e-8(scientific e notation)

= 43.5970 × 10-9(engineering notation)

(billionth; prefix nano- (n))

= 0.0000000435970(real number)

Step-by-step explanation:

4 0
3 years ago
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