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horsena [70]
3 years ago
15

Determine whether the vectors u and v are parallel, orthogonal, or neither. u = (5,4) v = (-10,9)

Mathematics
2 answers:
dolphi86 [110]3 years ago
7 0

Answer:

A

Step-by-step explanation:

edge answer

12345 [234]3 years ago
6 0

Answer:

Neither

Step-by-step explanation:

5 x -10 = -50

4 x 9 = 36

-50 + 36 = -14 and therefore can not be orthogonal

sqrt(25+16)=sqrt(41)

sqrt(100+81)=sqrt(181)

sqrt(41) x sqrt(181) is not equal to -14 so therefore it is not parallel

So the answer is then neither

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3.3+5(-7 + 4)<br><br><br><br>step by step process​
SVEN [57.7K]

Answer:

-11.7

Step-by-step explanation:

3.3+5(-7 + 4)

we apply distributive property

3.3+5*(-7) + 5*(4)

we know:

+ * - = -

+ * + = +

so we have:

3.3 -35 + 20

3.3 - 15

-11.7

5 0
3 years ago
Read 2 more answers
Which expression is equivalent to
pickupchik [31]

Answer:

B. 2x-3

Step-by-step explanation:

14 and 21 have a common factor which is 7 so divide both by 7 to get 2x-3.

8 0
3 years ago
1.Write an equation in slope- intercept form of the line that passes through the given point and is parallel to the graph of the
Alja [10]
I dont know all of them sorry. But i think
Its d. If its a list of questions lol. But I could be wrong but i did the math 2 times.
8 0
3 years ago
Find the value of n in this equation.
lisabon 2012 [21]

Answer:

  • D. 9

=========================

<h2>Given </h2>

Triangle with:

  • Base of n² -3,
  • Midsegment of 39.

<h2>To find</h2>

  • The value of n.

<h2>Solution</h2>

As per definition of midsegment, it is connecting the midpoints of two sides and its length is half the length of the opposite side of the triangle.

So we have:

  • (n² - 3)/2 = 39

Solve it for n:

  • n² - 3 = 78
  • n² = 81
  • n = √81
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Correct choice is D.

3 0
1 year ago
Please help thank you
sergiy2304 [10]
8-3(2)
8-5
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the answer should be 3 after plugging in the variables.

3 0
3 years ago
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