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Flauer [41]
2 years ago
15

Anyone want to answer the number for X???????

Mathematics
2 answers:
krok68 [10]2 years ago
6 0

Answer:

x = \frac{\sqrt{10} }{2}

Step-by-step explanation:

Using Pythagoras Theorem:

The triangle has hypotenuse of √10 , opposite side x, angle 30°

Using the formula:

                                   sin(A) = \frac{opposite}{hypotenuse}

                                   sin(30)= \frac{x}{\sqrt{10} }

                                    x = sin(30) * \sqrt{10}

                                    x = \frac{\sqrt{10} }{2}

Anna007 [38]2 years ago
3 0

Answer:

\frac{\sqrt{10} }{2}

Step-by-step explanation:

Using cosine (since that is adjacent over hypotenuse), cos(60)=1/2 so your answer is hypotenuse*1/2=\sqrt{10}*\frac{1}{2}=\frac{\sqrt{10} }{2}

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Increase £14187.13 by 14.5%
zhenek [66]

Answer:

16,244.26

Step-by-step explanation:

14,187.13 + (14.5% × 14,187.13) =

14,187.13 + 14.5% × 14,187.13 =

(1 + 14.5%) × 14,187.13 =

(100% + 14.5%) × 14,187.13 =

114.5% × 14,187.13 =

114.5 ÷ 100 × 14,187.13 =

114.5 × 14,187.13 ÷ 100 =

1,624,426.385 ÷ 100 =

16,244.26385 ≈

5 0
3 years ago
Read 2 more answers
The Gophers won 2/3 of their games. The Rattlers
ZanzabumX [31]

Answer:

48

Step-by-step explanation:

The silmutenous equations

2/3x + 1/2y = 56

X=y

4 0
3 years ago
A wire with a length of 100 cm is cut into three parts. The length of wire of the first and second parts are the same. The lengt
dsp73

The first two pieces are the same, let each of those equal x, so you have x + x = 2x

The 3rd piece is the sum of the first two + 4, so this would be 2x + 4

Now you have 2x + 2x + 4 = 100 cm

Combine like terms:

4x +4 = 100

Subtract 4 from both sides

4x = 96

Divide both sides by 4

X = 24

First piece is 24 cm

Second piece is 24 cm

Third piece is 52 cm

8 0
2 years ago
Subtract. (11x2+3x−9)−(2x2+2x+7)
Alexeev081 [22]

Answer:

-267

Step-by-step explanation:

this is because 11 ×2=22,22+3=25,25×-9= -225 and then the other bracket when I solved I had 42 and so -225-42 = -267

4 0
2 years ago
36.25= 45.5% of ____
aev [14]

Answer:

36.25 is equal to the 45.5% of 79.67

Step-by-step explanation:

To solve this you just have to find the value that represents the 100%.

To do this, you can use the Rule of Three that allows you to solve problems of proportions.

In this case, you know that the 45.5% of the magnitude <em>X </em>is 36.25, now you have to find the value which corresponds to the 100%.  

Mathematically it will be:

\frac{X}{36.25} =\frac{100}{45.5}

Then you have to solve the equation to find <em>X</em>:

X=\frac{100}{45.5}*36.25

And finally, the answer is:

X=79.67

7 0
3 years ago
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