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juin [17]
1 year ago
15

Find the area using the given image.

Mathematics
1 answer:
8_murik_8 [283]1 year ago
6 0
Answer:
54

Explanation:
Area of a triangle: 1/2 * base * height
1/2 * 18 * 6 = 54

Hope this helped you! :)
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3x-2y=10 solving equations
Schach [20]

Answer:

Step-by-step explanation:

3x-2y= 100

3x= 10 +2y 

x =(10+2y)/

8 0
1 year ago
A rack has a volume of 10 cm3 and a mass of 25g. What is the density?​
valentinak56 [21]

Answer:

Step-by-step explanation:

density is mass divided by volume, so 25g divided by 10 cm = 2.5 g

4 0
3 years ago
Calvin encoded a secret phrase using matrix multiplication. Using A = 1, B = 2, C = 3, and so on, he multiplied the clear text c
Vlad1618 [11]
Our matrix C is the encoder.  Let X be our secret message and let B be our encoded message.  Therefore the relationship between the 3 can be represented as:

CX = B

So we want to solve for X (our secret message). So using matrix algebra:

X = C^-1*B
where C^-1 is the inverse of C.

C^-1 = | 3 -2 |
           |4 -3 |

So we take C^-1 and multiply it by matrix B to get X.  Matrix B is already given to us.  So just multiply those two.  I used a calculator to get:

X = | 20 8 5 3 15 12 15 |
      | 18 9 19 2 12 21 5 |

And since A = 1, B = 2, C = 3, etc....

We decode our message and it says:

X = | T H E C O L O |
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So the answer is: The color is blue (D)
8 0
3 years ago
The length of the
Trava [24]
I would estimate around 6 because say it was 6.5 and 3 then it would around the square root of like 31 and that is rounding down a lot so we would bump it up to somewhenre around 35 so the side would be around 5.8-6
4 0
3 years ago
Evaluate (if possible) the six trigonometric functions of the real number. (If not possible, enter IMPOSSIBLE.)
kotegsom [21]

\sin(t) =  \frac{1}{2} 
\\
\\ \cos(t) = - \frac{ \sqrt{3} }{2} 
\\
\\ \tan(t) =  \frac{\sin(t)}{\cos(t)}= - \frac{1}{ \sqrt{3} } 
\\
\\ \csc(t) =  \frac{1}{\sin(t)}= 2 
\\
\\ \sec(t) =\frac{1}{\cos(t)}=- \frac{2}{ \sqrt{3}}  
\\
\\ \cot(t) = \frac{1}{\tan(t)}=- \sqrt{3}

3 0
3 years ago
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