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cupoosta [38]
3 years ago
7

Which diagram represents the vector addition C=A+B. Which represents vector subtraction C=A-B?

Mathematics
1 answer:
olga55 [171]3 years ago
3 0
If the vectors point towards the same direction, the magnitude of the vector quantities are added as in, C = A + B. If they point towards opposite direction, the magnitudes are subtracted giving a resultant vector equal to C = A - B. 
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Helppp please I need help with this ASAP
galben [10]

Answer:

-7 < -5

Step-by-step explanation:

-5 is greater than -7

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3 years ago
Consider the triangle A(4,0), B(-2,4), C(0,6)<br> What will be the equation of the altitude BM?
katovenus [111]

Answer:

BM: <u>y = (2/3) x + 16/3</u> with segment length of 2.77

Step-by-step explanation:

AC formula: m = (6-0)/(0-4) = -3/2

(y-0)/(x-4) = -3/2       y = (-3/2)x + 6   ... (1)

BM slope: BM⊥ AC   m = 2/3

BM formula: (y-4) / (x- -2) = (y-4) / (x+2) = 2/3

y-4 = 2/3 x + 4/3

<u>y = (2/3) x + 16/3</u>   ... (2)    -2≤x≤0.31

intercept of AC and BM (M) from (1) and (2): (-3/2)x + 6 = (2/3) x + 16/3

(13/6) x = 2/3      x = (2/3) / (13/6) = 4/13 ≈ 0.31

y = (2/3) (4/13) + (16/3) = (8/39) + (208/39) = 216/39 = 72/13 ≈ 5.54

M (4/13 , 72/13) or (0.31 , 5.54)

segment BM = √(4/13 - -2)² + (72/13 - 4)² = √1300/169 = 2.77

4 0
2 years ago
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Step-by-step explanation:

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Given the polynomial x7y³ + 2x5y² - 3x³ - 2x4 -2, its degree is equal to?
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It took Marjorie 15 minutes to drive from her house to her daughter's school. If they school was 4 miles away from her house, wh
notka56 [123]
The answer would be 3.75 miles por minute
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2 years ago
Read 2 more answers
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