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algol13
3 years ago
13

I need help please and thank you

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0

Answer:

It's the third one.

Step-by-step explanation:

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Given the vectors, a=3i+4j, b=-2i+5j, c=10i-j, d=-1/3i + 5/2j, find a+(b-c)=?
Tomtit [17]

Answer:

  a +(b -c) = -9i +10j

Step-by-step explanation:

You can use the distributive property to remove the parentheses:

  a +(b -c) = a + b - c

Add the vectors as though they were binomials.

  a + b - c = (3 -2 -10)i +(4 +5 -(-1))j = -9i +10j

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Oxana [17]
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Write the integer's that represent the situation 70 degrees above zero=?
guapka [62]

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But you want an integer. So it is 70

3 0
3 years ago
Round off 5012 to the nearest 1000​
matrenka [14]

Answer:

5,000

Step-by-step explanation:

Because 5 is in the thousands place and it is asking his neighbor 0 for help and since 0 is it a 5 or above he can't help 5 so 5 has to stay at 5,000 and can't go to 6.

I'm sorry I was late but I think this could still help you I hope have a great day:)

3 0
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Step-by-step explanation:

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