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dolphi86 [110]
3 years ago
12

PLEASE I WILL GIVE BRAINLIEST ​

Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer:

id this my astravo

Step-by-step explanation:

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Vectors: Find the vector from the point A=(−1,−7,3) to the point B=(3,−2,9).
devlian [24]

Answer:

\overrightarrow {AB} = (4,5,6)

1. 〈x,y,z〉=〈−1,−7,3〉+t〈−4,−5,−6〉 F

2. 〈x,y,z〉=〈−1,−7,3〉+t〈3,−2,9〉 F

3. 〈x,y,z〉=〈−1,−7,3〉+t〈4,5,6〉 T

4. 〈x,y,z〉=〈3,−2,9〉+t〈−1,−7,3〉 F

5. 〈x,y,z〉=〈3,−2,9〉+t〈4,5,6〉 F

Step-by-step explanation:

The vector AB is the vectorial difference between point A and B, that is:

\overrightarrow {AB} = \vec B - \vec A

Given that \vec A = (-1,-7,3) and \vec B = (3,-2,9), the vector AB is:

\overrightarrow {AB} = (3,-2,9)-(-1,-7,3)

\overrightarrow{AB} = (3-(-1),-2-(-7),9-3)

\overrightarrow {AB} = (4,5,6)

The vectorial equation of the line is represented by:

\langle x, y, z\rangle = \vec A + t \cdot \overrightarrow {AB}

Where t is the parametric variable, dimensionless. Given that \vec A = (-1,-7,3) and \overrightarrow {AB} = (4,5,6)

\langle x,y,z \rangle = \langle -1,-7,3 \rangle + t\cdot \langle 4,5,6 \rangle

Finally, the list of questions are now checked:

1. 〈x,y,z〉=〈−1,−7,3〉+t〈−4,−5,−6〉 F

2. 〈x,y,z〉=〈−1,−7,3〉+t〈3,−2,9〉 F

3. 〈x,y,z〉=〈−1,−7,3〉+t〈4,5,6〉 T

4. 〈x,y,z〉=〈3,−2,9〉+t〈−1,−7,3〉 F

5. 〈x,y,z〉=〈3,−2,9〉+t〈4,5,6〉 F

4 0
2 years ago
Anyone want to t a l k I’m bored.
scoundrel [369]

Answer:

okay sure what would you like to talk about?

Step-by-step explanation:

6 0
2 years ago
Help please algebra
Sveta_85 [38]
It's the one in the top right corner. Since the inequality says 'greater than or equal to' the line has to be bold and the shaded area has to be above the line. Hope this helped!
5 0
3 years ago
Jared set a goal to sell 300 alarm systems in a 60 day period. At the end of those 60 days, he had averaged four alarms per day.
Semenov [28]
No he didn't
4 \times 60 = 240
he sold 240 alarms


good luck
6 0
3 years ago
Read 2 more answers
Find the quotient in simplest form.<br><br><br> 6 ÷ 2/3<br> A. 4<br> B. 8<br> C. 9<br> D. 12
olganol [36]

Answer:

C. 9

Step-by-step explanation:

6 ÷ 2/3

Copy dot flip

Take the first term.  Change the division sign to multiplication.  Flip the second term

6 * 3/2

18/2

9

7 0
3 years ago
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