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12345 [234]
3 years ago
6

You are under contract to design a storage building with a square base and a volume of 12000 cubic feet. the cost of materials i

s $4 per square foot for the floor, $18 per square foot for the walls and $6 per square foot for the roof. find the width of the square base that minimizes the cost of materials.
Mathematics
1 answer:
AleksandrR [38]3 years ago
7 0
<span>You are under contract to design a storage building with a square base and a volume of 12000 cubic feet. the cost of materials is $4 per square foot for the floor, $18 per square foot for the walls and $6 per square foot for the roof. find the width of the square base that minimizes the cost of materials. XD


</span>
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18% of what number of 43
erastovalidia [21]

Answer:


Step-by-step explanation:

Answer:

238.888888


Explanation:

Set up a proportion

18%=43

while 100%=x


This gets you 18× x

=

100

×

43


18

×

x

=

4300


Now divide both sides by

18

. The number is

x

=

238

.

¯

8

(a repeating decimal)

3 0
3 years ago
How to evaluate 11+y
s344n2d4d5 [400]

Good morning ☕️

Step-by-step explanation:

11+y is an expression that contains a variable ‘y’

then its value depends on ’y’

examples :

if y = 0 → 11+y = 11+0 = 11

if y = 1 → 11+y = 11+1 = 12

if y = 2 → 11+y = 11+2 = 13

and so on.

:)

7 0
3 years ago
Tom received an allowance of $300 for his upcoming trip to Canada. He knows that he will spend $15 each day on food. Which equat
WARRIOR [948]

Answer:

m=15d-300

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
151. Find the perimeter of this triangle
Lena [83]

The perimeter is the sum of all the sides of the figure⇒

<em><u>151</u></em>

P=a+b+c+d...

P=(y+9)+(3y+3)+(4y+6)=y+9+3y+3+4y+6=8y+18

<u><em>152</em></u>

<u><em></em></u>P=a+b+c+d...\\P=(4a-100)+(2a-15)+(2a+40)=4a-100+2a-15+2a+40=\\=8a-75<u><em></em></u>

<u><em></em></u>

<u><em>153</em></u>

You forgot to attach a photo

6 0
3 years ago
Solve for the values of x and y in the diagram
qaws [65]

Answer: y = 0.5, x = 50

Step-by-step explanation: Both triangles in the picture are isosceles, telling us that the 2 angles at the bottom are congruent. With this, we can find y by doing the following:

a triangle has 180 degrees so we subtract the given 50 which gives us 130

2(2y + 64) = 130

4y + 128 = 130

y = .5

This means that the bottom 2 angles are both 65. Since the top angle of the second triangle is supplementary to the bottom angle of the first one, the top angle of the second triangle is 115. So, we find x by:

2(45 - x/4) = 65

x = 50

This means the bottom 2 angles of the second triangle are both 32.5.

7 0
3 years ago
Read 2 more answers
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