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iragen [17]
3 years ago
7

Help plz i hate this but everytime I do this I get it worng

Mathematics
1 answer:
Natali [406]3 years ago
3 0

Answer:

The answer is 19.25

Step-by-step explanation:

<u>Key skills needed: Fraction operations, decimal conversion</u>

1) We are given the hint to use 9 as "b", and we get:

---> a = \frac{16}{8}(9) + \frac{10}{8}  

Let's do  \frac{16}{8}(9)

--> \frac{16}{8} is the same as 16 ÷ 8

16 divide by 8 is 2.

2) This means that it would be  ---> 2(9)  which is simply 2 times 9.

2 times 9 = 9 + 9 = 18

3) With that result, it would be  ---> a = 18 + \frac{10}{8}

Now, do \frac{10}{8} (10 divided by 8)  ---> Get 1.25

4) 18 + 1.25 = 19.25, so --> a = 19.25 is the answer

<em>Hope you understood and have a nice day!!   :D</em>

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Let the initial point of the vector be (x,y). Then the magnitude of the vector v can be written as:

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The magnitude of vecor v is given to be 10. So we can write:

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