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4 years ago

How many mg is .625 ml???

Mathematics

1 answer:

Harlamova29_29 [7]4 years ago

8 0

0.625000 is the correct answer

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Consider the two vectors A with arrow = 3 î − ĵ and B with arrow = − î − 2 ĵ. (a) Calculate A with arrow + B with arrow 2 Correc

Verdich [7]

Answer:

Let $\vec{A}=3\hat{i}-\hat{j}$ and $\vec{B}=-\hat{i}-2\hat{j}$ .

$\vec{A}+\vec{B}=(3\hat{i}-\hat{j})+(-\hat{i}-2\hat{j})=2\hat{i}-3\hat{j}$

$\vec{A}-\vec{B}=(3\hat{i}-\hat{j})-(-\hat{i}-2\hat{j})=4\hat{i}+\hat{j}$

c) Now we calculate the direction of $\vec{A}+\vec{B}$ and $\vec{A}-\vec{B}$

We calculate the direction of $\vec{A}+\vec{B}$ like this:

$\theta=tan^{-1}(\frac{-3}{2})=-56,3^{\circ}$ . Since, $270\leq\theta\leq360$ , then the direction of $\vec{A}+\vec{B}$ is $360^{\circ}-\theta=360^{\circ}-56.3^{\circ}=303.7^{\circ}$ .

Now, for $\vec{A}-\vec{B}$

$\theta=tan^{-1}(\frac{1}{4})=14^{\circ}$ .

8 0

3 years ago

What is the order of √5 , -0.1, -5/3 , 0.7, √2 from least to greatest?

inysia [295]

Least to greatest
-5/3, -0.1, 0.7, √2, √5

8 0

3 years ago

How can you solve this step by step?<br> 812 divided by 12?

makkiz [27]

Answer:

How I answered this was

Line up 812 divided by 12

So 81 divided by 12 = 72

Subtract 81 - 72

Which would equal 9

then bring down the two in 812

Which would make it 92

Then divide that by 12

which would equal 84

the subtract 92 - 84

that would equal 8

put a decimal then bring down a 0

that would be 80 then divide 80 by 12

that would be 7 which would equal 8 again

so our answer would be 67.6 continuous.

6 0

3 years ago

I need a answer to 77.5% of 13.270

den301095 [7]

Answer:

10.28425

Step-by-step explanation:

4 0

3 years ago

Divide 14 4/10 by 5 9/16

oksano4ka [1.4K]

1152/445 or u can put 2 262/445

8 0

3 years ago