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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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2,914 rounded to the thousand and to nearest hundred
eimsori [14]

Answer: 2194.00 and 2194.000

Step-by-step explanation: rounded to the nearest 1000= 2194.000

rounded to the nearest 100 = 2194.00

6 0
2 years ago
The product of 9 and the sum of three more than a number. (using variables such as x, n, a, b)
DochEvi [55]
The product of 9 and the sum of three more than a number. 9(3+n)
3 0
3 years ago
III.
Olenka [21]

Answer:

  • The y-intercept is - 372 and it means that if the manufacturers do not produce and sell any blenders they will have a loss of $ 372.

Explanation:

The polynomial that represents the function is:

  • P(x)=8x+0.3x^2-0.0013x^3-372

Where the variable, x, represents the number of blenders produced and sold monthly, and P(x) is the monthly profit in dollars obtained for the sale of x blenders.

As for the question, the y-intercept is the point on the graph where the function crosses the y-axis, i.e. where the input of the function is x = 0.

Therefore, the y-intercept is the value of the function for x = 0, P(0), and it is found by substituting 0 for x in the polynomial function, which is shown next:

  • P(0)=8(0)+0.3(0)^2-0.0013(0)^3-372=-372

The meaning of this value is that the firm loses $372 when it does not produce and sell any blenders.

6 0
3 years ago
What decimal number is the smallest 1.001, 1.1, 1.01, or 1.011
Elan Coil [88]
The first one 1.001, because the zeros in front make it smaller
8 0
4 years ago
Find the surface area of the figure below.
PSYCHO15rus [73]
The pyramid given above has four faces. Each of which are in triangular shape. The area of the triangle is calculated through the equation,

                       A = bh / 2
where A is area, b is base and h is the height. 

Substituting the known values,

                      A = (4 inch)(9 inch) / 2 = 18 in²

Multiplying this area by 4 will give us an answer of 72 in².


Then, we also calculate for the area of the square base.
                      A = s²
where s is the measure of each side of the square.

                       A = (4 in)² = 16 in²

Finally, we add up the calculated areas.
                  surface area = 72 in² + 16 in²
                      <em>surface area = 88 in²</em>

Hence, the surface area of the figure is equal to 88 in². 
                
3 0
4 years ago
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