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2 years ago

Solve for X Please help

Mathematics

1 answer:

Nookie1986 [14]2 years ago

5 0

Answer:

x = 5

Step-by-step explanation:

set JN and NL equal to each other...

14x – 17 = 3x + 38

11x = 55

x = 5

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kirill115 [55]

Hi there,

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2 years ago

Read 2 more answers

What are the values of m and n in the matrix addition below?

Aleksandr [31]

ANSWER

The correct answer is $m=45,n=12$ .

EXPLANATION

We were given the matrix equation;

$\left[\begin{array}{cc}n-1&6\\-19&m+3\end{array}\right] +\left[\begin{array}{cc}-1&0\\16&-8\end{array}\right] =\left[\begin{array}{cc}10&6\\-3&40\end{array}\right]$ .

We must first simplify the Left Hand Side of the equation by adding corresponding entries.

$\left[\begin{array}{cc}n-1+-1&6+0\\-19+16&m+3-8\end{array}\right]=\left[\begin{array}{cc}10&6\\-3&40\end{array}\right]$ .

That is;

$\left[\begin{array}{cc}n-2&6\\-3&m-5\end{array}\right]=\left[\begin{array}{cc}10&6\\-3&40\end{array}\right]$ .

Since the two matrices are equal, their corresponding entries are also equal. we equate corresponding entries and solve for m and n.

This implies that;

$n-2=10$

We got this equation from row one-column one entry of both matrices.

$n=12$

Also, the row three-column three entries of both matrices will give us the equation;

$m-5=40$

$m=45$

Hence the correct answer is $m=45,n=12$ .

The correct option is option 2

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2 years ago

Q #6 in the figure A B || C D Find the measure ГGEB

schepotkina [342]

Angle GEB is correspondent with the angle of 50°, and since the lines AB and CD are parallels, these angles must be congrunets, then
Answer: Second option 50°

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3 years ago

Read 2 more answers

B3 = 1000 Take the cube root of each side of the equation. Simplify the result.

ivann1987 [24]

Answer:

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2 years ago

A medicine is known to decompose and become ineffective if its temperature ever reaches 103 degrees Fahrenheit or more. Write an

Ludmilka [50]

Answer: Interval = [103,∞)

Explanation :

A medicine become ineffective if its temperature ever reaches 103 degrees Fahrenheit or more .

So, Interval becomes [103,∞)

i.e. semi-open or semi-closed interval as it includes $103\textdegree$

So, we used closed brackets i.e. square brackets and

For '∞' we always use open brackets only.

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2 years ago