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Ede4ka [16]
3 years ago
15

BRAINLY DONT FAIL ME NOW :( Pwease help y’all<3 Have a great day!

Mathematics
1 answer:
adoni [48]3 years ago
4 0
I think its B







Explanation:

b
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How to solve this and what’s the final answer
dolphi86 [110]

Answer:

729 m³

Step-by-step explanation:

Volume of a cube (or a rectangular prism) formula:

lwh

l is length

w is width

h is height

Here, the length, width, and height measures 9 m.

So

9 × 9 × 9 or 9³ = 729

6 0
3 years ago
A box is contructed out of two different types of metal. the metal for the top and bottom, which are both square, costs $5 per s
patriot [66]
Total cost, C = 8x^2 + 12xz 
volume, V = (x^2)*z = 10 
C = 8x^2 + 12x*10/x^2 
= 8x^2 + 120/x 
dC/dx = 16x - 120/x^2 = 0 
16x = 120/x^2 
x^3 = 120/16
 x = 1.957 ft

d^2C/dx^2 = 16 +240/x^3 = +ve for x = 1.957 
so, C is minimum when
x = 1.957 ft z = 2.61 ft

Length of the base x is 1.957 ft and height of side z is 2.61 ft
3 0
3 years ago
A donut store uses 7.7 kilograms of sugar each hour. How many kilograms of sugar will the store use in 7 hours?
-BARSIC- [3]

Answer:

53.9 Kilograms of sugar in 7 hours

Step-by-step explanation:

7*7.7=53.9

6 0
3 years ago
Plz help fast! thx in advance!
4vir4ik [10]

Answer:

C. 141.3

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
A regulation soccer field has an area of 59,400 square feet. If the length is 330 feet, what is the width in feet
zvonat [6]

To find the width of a rectangle when given the area and length, divide the area by the length:

Width = 59,400 / 330 = 180 feet

8 0
3 years ago
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