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kirza4 [7]
3 years ago
15

How to find components of a vector given magnitude and angle?

Mathematics
1 answer:
Zanzabum3 years ago
3 0
<span>1. Find the magnitude and direction angle of the vector.
2. Find the component form of the vector given its magnitude and the angle it makes with the positive x-axis.
<span>3. Find the component form of the sum of two vectors with the given direction angles.</span></span>
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How to solve -x^2-2x=5?
anastassius [24]
-x^2 - 2x - 5=0
-(x^2 + 2x + 1) -4=0
(x +1)^2= -4
=> Impossible. There is no x
6 0
3 years ago
What is the height of the triangle? 12 units 24 units 36 units 72 units.
konstantin123 [22]

Height of the triangle is the altitude of the triangle and which is drawn perpendicular from the vertex of the triangle to the opposite side. The height of the tringle is 24 units. Hence option 2 is the correct option.

<h3>Given information-</h3>

The triangle for the given problem is shown in the image below.

Form the figure the length of the each side is 16 \sqrt{3} units.

As all the sides are equal thus the \Delta MNO is a equilateral triangle in which the height of the divides the triangle into two equal part of the length 8\sqrt{3} at point <em>R.</em>

<h3>Height of the triangle-</h3>

Height of the triangle is the altitude of the triangle and which is drawn perpendicular from the vertex of the triangle to the opposite side.

Now in the  \Delta MRN, the length of the hypotenuse is 16 \sqrt{3} units and the length of the base is 8\sqrt{3} units. Let <em>h </em>is the height of the triangle thus by the Pythagoras theorem,

(16\sqrt{3})^2 =(8\sqrt{3})^2+h^2

Solve for <em>h,</em>

<em />

<em />\begin{aligned}h^2 &=(16\sqrt{3})^2 -(8\sqrt{3})^2\\h^2 &=16\times16\times3 -8\times8\times3\\h^2 &=576\\h &=\sqrt{576}\\h &=24\\\end<em />

<em />

Thus the height of the tringle is 24 units. Hence option 2 is the correct option.

Learn more about the equilateral triangle here;

brainly.com/question/4268382

5 0
2 years ago
The quantity demanded x for a product is inversely proportional to the cube of the price p for p &gt; 1. When the price is $10 p
LenaWriter [7]
Q(p) = k/p^3 . . . . . . . . we want to find k
q(10) = k/10^3 = 64
k = 64,000

Revenue = q(p)*p = 64000/p^2
Cost = 150 +2q = 150 +2*64000/p^3

Profit = Revenue -Cost = 64000/p^2(1 -2/p) -150

Differentiating to find the maximum profit, we have
.. dProfit/dp = -2(64000/p^3) +6(64000/p^4) = 0
.. -1 +3/p = 0
.. p = 3

A price of $3 per unit will yield a maximum profit.

7 0
3 years ago
If (7²)x = 1 what is the vaule of x
IrinaVladis [17]

Answer:

x=4

Step-by-step explanation:

1 Add 11 to both sides.

2x=7+12x=7+1

2 Simplify  7+17+1  to  88.

2x=82x=8

3 Divide both sides by 22.

x=\frac{8}{2}x=

​2

​

​8

​​

4 Simplify  \frac{8}{2}

​2

​

​8

​​   to  44.

x=4x=4

cheek:

1 Let x=4x=4.

2\times 4-1=72×4−1=7

2 Simplify  2\times 42×4  to  88.

8-1=78−1=7

3 Simplify  8-18−1  to  77.

7=7 7=7

(or -3)

4 0
2 years ago
Read 2 more answers
Can someone answer this soon?!?
Sever21 [200]
First get all the terms on the same side:

x^2 + 7x - 4 = 0

Now solve using the quadratic formula which is:

\frac{-b±\sqrt{b^2 - 4ac} }{2a}

Plug in the values:

\frac{-7± \sqrt{49-4(1)(-4)} }{2}

So the answer is:

\frac{-7 ± \sqrt{65} }{2}
6 0
3 years ago
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