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DerKrebs [107]
2 years ago
14

Let |u| = 10 at an angle of 45° and |v| = 13 at an angle of 150°, and w = u + v. What is the magnitude and direction angle of w?

Mathematics
2 answers:
Lubov Fominskaja [6]2 years ago
5 0

Answer:

D

Step-by-step explanation:

Nezavi [6.7K]2 years ago
3 0

Answer:

D) |w| = 14.2; θ = 107.1°

Step-by-step explanation:

got it right on edge :)

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Find two positive numbers satisfying the given requirements. the product is 192 and the sum of the first plus three times the se
Zepler [3.9K]
<h3>Given</h3>

Two positive numbers x and y such that xy = 192

<h3>Find</h3>

The values that minimize x + 3y

<h3>Solution</h3>

y = 192/x . . . . . solve for y

f(x) = x + 3y

f(x) = x + 3(192/x) . . . . . the function we want to minimize

We can find the x that minimizes of f(x) by setting the derivative of f(x) to zero.

... f'(x) = 1 - 576/x² = 0

... 576 = x² . . . . . . . . . . . . multiply by x², add 576

... √576 = x = 24 . . . . . . . take the square root

... y = 192/24 = 8 . . . . . . . find the value of y using the above equation for y

The first number is 24.

The second number is 8.

6 0
3 years ago
in the diagram below ,segment A'B' is the image of segment AB after a rotation by 103 degrees counterclockkwise about point C. W
Helen [10]

Answer:

2

Step-by-step explanation:

6 0
3 years ago
Marie can find the volume of a cube by using the formula V = s³, where s represents the side length of the cube. If Marie's cube
UNO [17]

Answer:

15.625 cm^3

Step-by-step explanation:

V=2.5^{3} \\V=2.5*2.5*2.5\\V=6.25*2.5\\V=15.625 cm^{3}

7 0
3 years ago
Jay went on a diet and lost 5 pounds each month. Find Jay's net weight change in 6 months.
Goryan [66]

Answer:

a 30 pound weight change in 1 month

Step-by-step explanation:

5 pounds

--------------- times 6 months  results in a 30 pound weight change in 1 month

 1 month

7 0
3 years ago
Answer ASAP
Talja [164]

Answer:

13 and 27

Step-by-step explanation:

y= x+14

x+y=40

x+ x+14=40

2x+14=40

40-14=26

so, 2x=26

26/2

=13

so, x=13 and

and y equal 40-13

y=27

3 0
2 years ago
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