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NikAS [45]
3 years ago
11

16)

Mathematics
1 answer:
HACTEHA [7]3 years ago
3 0
Is the x in between the 5 and 6 supposed to be a multiplication symbol?<span />
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What is the solution to the rational expression x/2x+1 +1/4 = 2/2x+1
sasho [114]

Answer:

x=\frac{2+\sqrt{2} }{2} ,\frac{2-\sqrt{2} }{2}

x=1.70710678,0.29289321

I provided the exact form and decimal form!

Step-by-step explanation: hope this helps please mark brainliest!

7 0
3 years ago
Read 2 more answers
Find two unit vectors orthogonal to both given vectors. i j k, 4i k
Maurinko [17]
The cross product of two vectors gives a third vector \mathbf v that is orthogonal to the first two.

\mathbf v=(\vec i+\vec j+\vec k)\times(4\,\vec i+\vec k)=\begin{vmatrix}\vec i&\vec j&\vec k\\1&1&1\\4&0&1\end{vmatrix}=\vec i+3\,\vec j-4\,\vec k

Normalize this vector by dividing it by its norm:

\dfrac{\mathbf v}{\|\mathbf v\|}=\dfrac{\vec i+3\,\vec j-4\,\vec k}{\sqrt{1^2+3^2+(-4)^2}}=\dfrac1{\sqrt{26}}(\vec i+3\,\vec j-4\vec k)

To get another vector orthogonal to the first two, you can just change the sign and use -\mathbf v.
6 0
3 years ago
A factory uses 1/6 of a barrel of raisins in each batch of granola bars. Yesterday, the factory used 1/2 of a barrel of raisins.
balu736 [363]

1/6 = 1 batch, 2/6 = 2 batches and so on

if the factory used 1/2, the factory used 3/6 of a barrel, which equals to 3 batches.

<em>hope it helps :)</em>

8 0
2 years ago
Write 6,392,094,003 in word form
sattari [20]
Six billion three hundred ninety-two million ninety-four thousand and three
6 0
3 years ago
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A meal at a restaurant cost $34.50, before tip. You decide to leave the server an 18% tip. What is your total bill?
anastassius [24]
The tip is $6.21

with that being said, 34.50 + 6.21 = 40.71

the total cost is $40.71
3 0
2 years ago
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