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4 years ago

Which number is prime?49515355

Mathematics

1 answer:

nikitadnepr [17]4 years ago

7 0

Answer:

Good luck with your quiz/test :D

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What is 5t+16+6-5t can u help me

azamat

The answer is 22 because the 5t and -5t cancel each other

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3 years ago

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Find a nonzero vector orthogonal to the plane through the points: ????=(0,0,1), ????=(−2,3,4), ????=(−2,2,0).

ser-zykov [4K]

Answer:

The nonzero vector orthogonal to the plane is <-9,-8,2>.

Step-by-step explanation:

Consider the given points are P=(0,0,1), Q=(−2,3,4), R=(−2,2,0).

$\overrightarrow {PQ}==$

$\overrightarrow {PR}==$

The nonzero vector orthogonal to the plane through the points P,Q, and R is

$\overrightarrow n=\overrightarrow {PQ}\times \overrightarrow {PR}$

$\overrightarrow n=\det \begin{pmatrix}i&j&k\\ \:\:\:\:\:-2&3&3\\ \:\:\:\:\:-2&2&-1\end{pmatrix}$

Expand along row 1.

$\overrightarrow n=i\det \begin{pmatrix}3&3\\ 2&-1\end{pmatrix}-j\det \begin{pmatrix}-2&3\\ -2&-1\end{pmatrix}+k\det \begin{pmatrix}-2&3\\ -2&2\end{pmatrix}$

$\overrightarrow n=i(-9)-j(8)+k(2)$

$\overrightarrow n=-9i-8j+2k$

$\overrightarrow n=$

Therefore, the nonzero vector orthogonal to the plane is <-9,-8,2>.

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4 years ago

-6y + 10 = 8<br> I need to solve for y

Radda [10]

Answer:

$\frac{1}{3}$

Step-by-step explanation:

I did this bfor. You have got to trust me.

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How do you Evaluate?

slavikrds [6]

How do you evaluate: To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.

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3 years ago

What does M equal in m-5=-10.

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Answer:

-15

Step-by-step explanation:

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3 years ago

Which number is prime?49515355​

Which number is prime?49515355