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marissa [1.9K]
3 years ago
5

Write the vector v in terms of i and j whose magnitude ||v|| and direction 0 are given. ||v|| = 4, 0 = 315 degree v= (Type your

answer in terms of i and j. Type an exact answer using radicals as needed.
Mathematics
1 answer:
victus00 [196]3 years ago
6 0

Answer:

  v = 2√2i -2√2j

Step-by-step explanation:

  v = ||v||·cos(θ)i +||v||·sin(θ)j

  v = 4cos(315°)i +4sin(315°)j . . . . . . fill in the numbers

  v = 2√2i -2√2j . . . . . . . . . . . . . . . put in desired form

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Eva8 [605]

Answer:

Expected number of guests is 100.4.

Step-by-step explanation:

It is given that there are 161 guest if there is a heavy snow fall.

Also, the probability for a heavy snow fall is 0.40.

Therefore, P(X = 161) =0.4.

It is also given that there are 60 guests if there is a light snow fall.

The probability for a light snow fall is 1 - 0.4 = 0.6.

Therefore, P(X = 60) = 0.6.

Expected number of guests = (161)P(X = 161) + (60)P(X = 60)

= 161(0.4) + 60(0.6)

= 64.4 + 36

= 100.4

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3 years ago
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Alenkasestr [34]

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3 years ago
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Marta_Voda [28]

Answer:

<u>Approximately 16 tablets of medicine</u>

Step-by-step explanation:

Based on the information above , we can use a <u>Rule of Three</u> to first figure out how many mg the cat would need to ingest per day.

\frac{5mg}{1kg} = \frac{x}{4.5kg}

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Now we see that the cat needs to take a daily dose of 22.5mg. Since the Tablets come at a strength of 10 mg per tablet then,

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The cat would need to take 2.25 tablets per day. Since she needs to take the dose for the next 7 days then,

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She would need to take<u> approximately 16 tablets of medicine</u> during the week .

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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Answer:

the required answers are :

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Step-by-step explanation:

for explanation see the attached image

^_^

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photoshop1234 [79]
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