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Montano1993 [528]
3 years ago
15

How many candy bars did Aaliyah start with if she sold them at a constant rate

Mathematics
1 answer:
nikklg [1K]3 years ago
3 0
We can’t answer this because we don’t have the numbers
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X — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2
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Solve the following system of equations for x: 4x + 6y = 68 2x + 6y = 76  A. x = - 14 B. None of these. C. x = - 4 D. x = 14 E. x = 4
Top answer · 3 votes
option C is correct More
7 0
3 years ago
Suppose that the sum of the three vectors u, v, and w shown in the figure is the zero vector. If w = 10 find u and v.
tangare [24]

a. The value of v is 9.2

b. The value of u is 9.9

<h3>What are vectors?</h3>

Vectors are physical quantities that have both magnitude and direction

<h3>How to find the value of vectors u and v?</h3>

Since we have vectors

  • u at 70° to the x-axis
  • v at 47° to the x-axis and
  • w = 10 at 15° to the x-axis,

We resolve them into component form

So, u = -(ucos70°)i - (usin70°)j

u = -(0.3420u)i - (0.9397u)j

v = -(vcos47°)i + (vsin47°)j

v = -(0.6820v)i - (0.7314v)j

w = (wcos15°)i + (wsin15°)j

w = (0.9659w)i + (0.2588w)j

w = (9.659)i + (2.588)j

Since the sum of the three vectors is zero, we have that

u + v + w = 0

u + v = -w

So,

-(0.3420u)i - (0.9397u)j + [-(0.6820v)i - (0.7314v)j] = -[(9.659)i + (2.588)j]

-(0.3420u)i - (0.9397u)j -(0.6820v)i - (0.7314v)j = -(9.659)i - (2.588)j]

-(0.3420u)i -(0.6820v)i - (0.9397u)j - (0.7314v)j = -(9.659)i - (2.588)j]

-[0.3420u + 0.6820v]i - [0.9397u + 0.7314v]j = -(9.659)i - (2.588)j

Equating i components, we have

-[0.3420u + 0.6820v]i = -9.659i

0.3420u + 0.6820v = 9.659

Dividing through by 0.3420. we have

u + 1.994v = 28.242 (1) and

Also, equating j components, we have

- [0.9397u + 0.7314v]j = -2.588j

0.9397u + 0.7314v = 2.588  

Dividing through by 0.9397 we have

u + 0.778v = 2.754 (2)

<h3>a. The value of v</h3>

Subracring equation (2) from(1),we have

u + 1.994v = 28.242 (1)

-

u + 0.778v = 2.754 (2)

2.772v = 25.488

v = 25.488/2.772

v = 9.19

v ≅ 9.2

The value of v is 9.2

<h3>b. The value of u</h3>

Substituting v into (1), we have

u + 1.994v = 28.242 (1)

u + 1.994(9.19) = 28.242

u + 18.325 = 28.242

u = 28.242 - 18.325

u = 9.917

u ≅ 9.9

The value of u is 9.2

Learn more about vectors here:

brainly.com/question/25705666

#SPJ1

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2 years ago
What is  3/8f+1/2=6(1/16f-3)
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\frac{3}{8f}+\frac{1}{2}=6*(\frac{1}{16f}-3) \\\\ \frac{3}{8f}^{(2}+\frac{1}{2}^{(8f}=\frac{6}{16f}-18^{(16f} \\\\ 6+8f=6-288f \\\\ 8f+288f=6-6 \\\\ 296f=0 \\\\ \boxed{f=0}
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A law firm is going to designate associates and partners to a big new case. The daily rate charged to the client for each associ
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Answer:

The system of equations representing the situation are

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Step-by-step explanation:

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What is the y-intercept of the function described in the table? X у 1 8 2 6 3 4 4 2 10 0 8 5​
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Answer:

10

Step-by-step explanation:

When you increase the x-value by one, the y-value decreases by 2. If you decrease the x-value by 1 which would be 0, then add 2 to the y-value which is 10, that would be the y-intercept

4 0
3 years ago
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