1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kvasek [131]
2 years ago
6

The production cost, represented by y, of smart phone devices are equal to the product of computing components (a) and the squar

e of the number of devices (x), added to the produ of labour (b) and number of devices (x)after which savings on reusable material (c) are subtracted. 2.1 Write down an equation to represent the production cost (y) in terms of a. x, b and c. 2.2 Change the subject of the equation/formula in 2.1 to: 2.2.1 a= 2.2.2 b = 2.2.3 = 2.3 Determine the production cost of 7 devices, if labour amounts to R4 140, computin components cost is R 1 035 and the savings on reusable material is R 1 725.​
Mathematics
2 answers:
abruzzese [7]2 years ago
5 0

Answer:

2.1 y= ax^2 + bx -c

2.2

2.2.1 a= (y+c-bxz)/x^2

2.2.2 b= (y+c-ax^2)/x

2.2.3 c= ax^2+bx-y

2.2.4 R 77690

Step-by-step explanation:

You are told that the production cost y = computing concepts(a) * number of devices(x) squared + product of labour (b)* number of devices - savings on reusable material (c)

Thus 2.1 y= ax^2 +bx-c

For 2.2 Just solve for the correct variable using our function y, hence we solved for a, b, and c in terms of y.

2.3 x=7, a=R1035, b=R4140, c=R1725

From 2.1 y= ax^2 + bx -c

Substitute the following to our function y

y= (R1035)(7)^2 + (R4140)(7)- R1725

=R77 690

Marta_Voda [28]2 years ago
3 0

The production cost is an illustration of a quadratic function

<h3>How to determine the equation</h3>

We have the following parameters:

  • Computing components (a)
  • Number of devices (x),
  • Labor (b)
  • Savings on reusable material (c)

Using the instructions in the question, the equation of the production cost would be:

y =ax^2 + bx -c

Hence, the production cost is y =ax^2 + bx -c

<h3>Change the subject of the equation</h3>

In (a), we have:

y =ax^2 + bx -c

Subtract bx - c from both sides

y - bx + c = ax^2

Divide through by x^2

a = \frac{y - bx + c}{x^2}

Hence, the equation that represents the computing component is a = \frac{y - bx + c}{x^2}

Read more about equations and functions at:

brainly.com/question/1214333

You might be interested in
The first day, Brian saw 31 birds and twice as many squirrels as birds. The second day, Brian saw 20 birds and 42 squirrels. Whi
ladessa [460]

Answer:  A good estimation would be about 150.

Step-by-step explanation:

To estimate we can round instead of using exact numbers.

First day he saw about 30 birds and twice as many squirrels, meaning about 60 squirrels.  This is about 90 total when added together.

Second day he saw 20 birds and about 40 squirrels so about 60 when added together.

Add day one and day two totals for...

90+60=150

8 0
2 years ago
PLS- I NEED HELPPPP PLS HELP MEEEEEEEE.
Elis [28]

Answer:

with what?

Step-by-step explanation:

8 0
3 years ago
Use synthetic division to solve the following: 2x^4 + 11x^3 + 13x^2 + 2x – 8 ÷ x +4​
const2013 [10]

Answer:

x=-5

Step-by-step explanation:

5 0
3 years ago
4/6 x what equals 8/6​
Sidana [21]

Answer: 4/6

1. Subtract 8/6 by 4/6.

  • 8/6 - 4/6 = 4/6

4/6 + 4/6 = 8 is the same as:

  • 4 + 4 = 8

<em>Notice: You don't change the denominator if your adding or subtracting.</em>

<em>That's why 4 + 4 = 8 is the same as 4/6 + 4/6.</em>

<em />

<h2>Final answer: 4/6. </h2>

5 0
2 years ago
Find the x and y intercepts of the graph of the equation y=x^2-5
mr_godi [17]

Answer:

x intercepts  -sqrt(5), + sqrt(5)

y intercept -5

Step-by-step explanation:

y = x^2 -5

to find the x intercept set y=0 and solve for x

0 = x^2-5

add 5 to each side

5 = x^2

take the square root of each side

+- sqrt(5) = sqrt(x^2)

x = +-sqrt(5)    there are 2 x intercepts since it is a quadratic


to find the y intercept set x=0 and solve for y

y = 0-5

y = -5

8 0
3 years ago
Other questions:
  • What is the equation of a line that passes through the point (1, 8) and is perpendicular to the line whose equation is y=x2+3 ?
    12·2 answers
  • 3^-2 expanded form
    6·1 answer
  • If two planes cross one another, the their intersection is 2 lines?
    6·1 answer
  • PLEASE ANSWER! WILL GIVE MANY POINTS
    6·1 answer
  • A box contains 13 red blocks, 8 orange blocks, 9 green blocks, and 10 blue blocks. Anna randomly chooses a block from the box.
    14·1 answer
  • Please help me idk this
    6·2 answers
  • Find the value of the expression: −mb −m^2 for m=3.48 and b=96.52
    6·1 answer
  • Paulo has 110 of a dollar in his pocket. How many dollars does he have?
    10·1 answer
  • Given that f(x) = x2 – 14x + 45 and g(x) = 2 – 9, find f(x) – g(x) and
    8·1 answer
  • The May bank statement for Rental shows a balance of $6,000, but the balance per books shows a cash balance of $8,000. Other inf
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!