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Scrat [10]
1 year ago
14

A company offers each of its 80 workers either a desktop computer that costs $900 or a laptop that costs $1550. Write and simpli

fy an expression for the cost of all the computers when n workers choose desktop computers. Find the cost if 65 workers choose desktop computers.
Mathematics
1 answer:
Vesna [10]1 year ago
7 0

The simplified expression for the total cost is 124000 - 650n and the cost if 65 workers choose desktop computers is 81750

<h3>Write and simplify an expression for the cost of all the computers </h3>

The given parameters are:

Number of workers = 80

Cost of desktop = $900

Cost of laptop = $1550

If n workers choose desktop computers, then 80 - n workers choose laptop computers

So, the expression for the cost of all the computers is

Total cost = 900n + 1550 * (80 - n)

Expand

Total cost = 900n + 124000 - 1550n

Evaluate the like terms

Total cost = 124000 - 650n

Hence, the simplified expression for the total cost is 124000 - 650n

<h3>Find the cost if 65 workers choose desktop computers.</h3>

This means that n = 65.

So, we have:

Total cost = 124000 - 650* 65

Evaluate

Total cost = 81750

Hence, the cost if 65 workers choose desktop computers is 81750

Read more about expressions at:

brainly.com/question/723406

#SPJ1

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5 0
3 years ago
Y=3x+12 positive or negative
jolli1 [7]

Answer:

x = -4 thus negative

Step-by-step explanation:

Solve for x:

3 x + 12 = 0

Hint: | Isolate terms with x to the left hand side.

Subtract 12 from both sides:

3 x + (12 - 12) = -12

Hint: | Look for the difference of two identical terms.

12 - 12 = 0:

3 x = -12

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of 3 x = -12 by 3:

(3 x)/3 = (-12)/3

Hint: | Any nonzero number divided by itself is one.

3/3 = 1:

x = (-12)/3

Hint: | In (-12)/3, divide 12 in the numerator by 3 in the denominator.

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5 0
3 years ago
A plain travels 3400 miles in 8 hours. How far will it travel in 6 hours at this rate
pashok25 [27]

Answer:

2550 miles in 6 hours

Step-by-step explanation:

if you divide the miles and hours by each other you will get the m/ph (miles per hour)

3400 ÷ 8 = 425

now, that we know the plane travels 435 m/ph, then if we multiply it by 6 we will get the answer

425 × 6 = 2550

4 0
3 years ago
Name two examples of quadrilaterals,
kolezko [41]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the area and perimeter.<br> The area is ... and the perimeter is ...
Schach [20]

Answer:

Area: 6a^2

Perimeter: 12a^2

Step-by-step explanation:

To find the area of a triangle, use the formula A=1/2 b*h. The base is 3a^2 and the height is 4a^2.

A= 1/2 (3a^2)(4a^2)

A = 1/2 (12a^4)

A = 6a^4

To find the perimeter of the triangle, add each of the sides of the triangle. The third side, the hypotenuse, can be found using Pythagorean theorem.

a^2+b^2=c^2\\(3a^2)^2+(4a^2)^2 = c^2\\(9a^4)+(16a^4)=c^2\\25a^4=c^2\\5a^2=c

Now add each of the sides: 3a^2 + 4a^2 +5a^2 = 12a^2

7 0
3 years ago
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