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kotegsom [21]
2 years ago
13

A storage company must design a large rectangular container with a square base. The volume is 6750ft3. The material for the top

costs $12 per square foot, the material for the sides costs $5 per square foot, and the material for the bottom costs $8 per square foot. Find the dimensions of the container that will minimize the total cost of material.
Mathematics
1 answer:
GuDViN [60]2 years ago
4 0
Ответ 163.54
Ниже расписано описание

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If a movie theater sells 400 tickets for a total of
Oksanka [162]

Answer:

they would make $25,500

Step-by-step explanation:

6,800/400=17

1,500*17=25,500

<em>answer</em><em> </em>:$25,500

8 0
3 years ago
A train is exactly 24km from Smalltown at 7:00p.m. It travels toward Smalltown at a constant rate of 90km per hour. At what time
N76 [4]

Answer:

7:16 P.M.

Step-by-step explanation:

24/90=4/15. There are 60 minutes in an hour, so we have 240/15=16.

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3 years ago
Which is the area of a rectangle with a length of 21 feet and a width of 15 feet
muminat

Answer:

315 ft^2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Could someone help me for this?
lina2011 [118]

Answer:

x = - \frac{5}{3} , x = \frac{5}{2}

Step-by-step explanation:

to find the points of intersection equate the 2 equations , that is

7x - 15 = 10 + 12x - 6x² ( subtract 10 + 12x - 6x² from both sides )

6x² - 5x - 25 = 0 ← factor the quadratic on left side

consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 6 × - 25 = - 150 and sum = - 5

the factors are - 15 and + 10

use these factors to split the x- term

6x² - 15x + 10x - 25 = 0 ( factor the first/second and third/fourth terms )

3x(2x - 5) + 5(2x - 5) = 0 ← factor out (2x - 5) from each term

(2x - 5)(3x + 5) = 0

equate each factor to zero and solve for x

3x + 5 = 0 ⇒ 3x = - 5 ⇒ x = - \frac{5}{3}

2x - 5 = 0 ⇒ 2x = 5 ⇒ x = \frac{5}{2}

3 0
1 year ago
What is the slope of the line that passes through points (2,-3) and (5,1)
Ivenika [448]

Find the difference in the y-coordinates: -3 - 1 = -4

Find the difference in the x-coordinates in the same order: 2 - 5 = -3

Divide the difference in y by the difference in x: slope = (-4)/(-3)

Reduce the fraction: slope = 4/3

3 0
3 years ago
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