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3 years ago

Find X and solve this

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

8 0

sin45=x/17

X=17×sin45

X=12.02

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Evaluate the expression helppp pls

Gekata [30.6K]

Answer:

135

Step-by-step explanation:

(12-2) is in parentheses, so it should be solved first to get 10. 3^3 is 27. 27*10 = 270; 270/2 is 135.

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3 years ago

Read 2 more answers

The area of a triangle is 30 square feet. If the triangle is 5ft, what is the base of the triangle?

finlep [7]

Answer:

it is 6 because 30 divided by 5 is 6 so 6 is the base

Step-by-step explanation:

7 0

3 years ago

Help me understand this problem

Ganezh [65]

Answer:

Step-by-step explanation:

You have to use the theorem of Thales.

The answer is 2√3

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4 years ago

Transfer transfer the system of equations by forming a matrix equation.

Anika [276]

Answer:

Step-by-step explanation:

$\begin{bmatrix}2 & -3\\ 1 & 2\end{bmatrix}^{-1}\times \begin{bmatrix}2 & -3\\ 1 & 2\end{bmatrix}\times \begin{bmatrix}x\\y \end{bmatrix}=\frac{1}{7} \begin{bmatrix}2 & 3 \\ -1 & 2\end{bmatrix}\times \begin{bmatrix}19\\ -1\end{bmatrix}$

Since, $\begin{bmatrix}2 & -3\\ 1 & 2\end{bmatrix}^{-1}=\frac{1}{7}\begin{bmatrix}2 & 3\\ -1 & 2\end{bmatrix}$

And $A^{-1}A=I$

$\begin{bmatrix}x\\y \end{bmatrix}=\frac{1}{7}\begin{bmatrix}2 & 3\\ -1 & 2\end{bmatrix}\times \begin{bmatrix}19\\-1 \end{bmatrix}$

$\begin{bmatrix}x\\y \end{bmatrix}=\frac{1}{7}\begin{bmatrix}35\\ -21\end{bmatrix}$

$\begin{bmatrix}x\\y \end{bmatrix}=\begin{bmatrix}5\\ -3\end{bmatrix}$

Therefore, x = 5 and y = -3 will be the value of variables.

3 0

3 years ago

Given that

Nataliya [291]

Answer:

32.7

Step-by-step explanation:

Using the Pythagorean theorem, we can set an equation to 5^2+c^2=14^2,

which is equal to 196-25 = c^2, which is equal to c^2=171, therefore, c= $\sqrt{171}$

5* $\sqrt{171}$ /2=32.69, rounded will equal to 32.7

8 0

3 years ago

Find X and solve this ​

Find X and solve this