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Mariulka [41]
3 years ago
6

Help plz I need big help someone plz help me with this question!

Mathematics
1 answer:
ozzi3 years ago
3 0

Answer:

Step-by-step explanation to be honest probably 12 if not i’m so sorry

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En un jardin redondo cuya circunferencia mide 18m, cual es la medida del diametro?
Vinvika [58]
5.73 m
medida de la circumferenci: pi x diametro
18m=3.14.d
7 0
3 years ago
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Suppose we want to build a rectangular storage container with open top whose volume is $$12 cubic meters. Assume that the cost o
Snezhnost [94]

Answer:265.25

Step-by-step explanation:

Given

Volume of box=12 m^3

height is 3 times the width

let height, length and breadth be H, L & B

H=3\times B

V=12=L\times B\times H

4=B^2\times L[/tex]

L=\frac{4}{B^2}

Cost of side walls $ 8/m^2

Cost of base $ 12/m^2

Cost of side walls=(2LH+2BH)\cdot 8

Cost of base =12LB

Total cost C=16LH+16BH+12LB

C=48LB+48B^2+12LB

C=\frac{192}{B}+48B^2+\frac{48}{B}

differentiate C w.r.t B to get minimum cost

\frac{\mathrm{d} C}{\mathrm{d} B}=-\frac{192}{B^2}+2\times 48 B-\frac{48}{B^2}

B^3=\frac{240}{2\times 48}

B=1.35 m

H=3\times 1.35=4.07 m

L=2.19 m

C=$ 265.25

3 0
3 years ago
A rectangular auditorium seats 1702 people. The number of seats in each row exceeds the number of rows by 9. Find the number of
klemol [59]

We have been given that a rectangular auditorium seats 1702 people. Also, the number of seats in each row exceeds the number of rows by 9.

Let us assume that there are x rows in the auditorium. Therefore, there must be (x+9) seats in the each row. This will also be equal to the number of columns in the auditorium.

Therefore, we can set up an equation as:

x(x+9)=1702\\x^{2}+9x=1702\\x^{2}+9x-1702=0

We can now factor this quadratic as shown below:

x^{2}+9x-1702=0\\(x-37)(x+46)=0

Upon solving this equation, we get:

x=-46,37

Since number of rows cannot be negative. Therefore, there must be 37 rows in the auditorium. And hence, the number of seats in each row will be 37+9=46 seats.



8 0
3 years ago
Mike packed 150 apples into bags with 5 apples in each bag How many bags did he need?
kolezko [41]

Answer:

30 bags

Step-by-step explanation:

Take the number of apples and divide by the number of apples per bag

150/5

30

We need 30 bags

8 0
3 years ago
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How do u find rate of change?
Irina18 [472]
1/3 is the rate of change. the rate of change is the slope of an equation
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3 years ago
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