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saw5 [17]
3 years ago
7

1/2x + 1= -19need help...... thank u guys have and amazing day​

Mathematics
1 answer:
LenKa [72]3 years ago
5 0

Answer:

1

2

⋅

+

1

=

−

1

9

Step-by-step explanation:

Combine multiplied terms into a single fraction

1

2

+

1

=

−

1

9

1

2

+

1

=

−

1

9

=

−

4

0

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An open-topped glass aquarium with a square base is designed to hold ~62.5~ 62.5 space, 62, point, 5, space cubic feet of water.
PIT_PIT [208]

Answer:

75 square feet

Step-by-step explanation:

The aquarium is designed to hold 62.5cubic feet

Since the aquarium has a square base, assume the aquaruim is a square prism

Let X be the lenght

Let y be the height

x^2.y = 62.5

y = 62.5x^2

The area of each side of the aquarium is xy. Since there are four sides, the total area of the side= 4xy

The area of the bottom of the aquarium = x^2

Total surface area = 4xy + x^2

Put y = 62.5/x^2 into the total surface area equation

A = 4x(62.5/x^2) + x^2

A= 250/x + x^2

Differentiate A with respect to x

dA/dx = -250(x^-2) + 2x

dA/dx = 0

0 = 2x - 250x^-2

2x = 250x^-2

2x =250/ x^2

2x^3 = 250

x^3 = 250/2

x^3 = 125

x = cbrt (125)

x = 5

Put x= 5 into A = x^2 + 250x^-1

A= 5^2 + 250(5^-1)

A= 25 + 250/5

A = 25 + 50

A = 75 square feet

6 0
3 years ago
1.5[3(14.5+7)-3]-7.4
nalin [4]

Answer:

84.85

Step-by-step explanation:

1.5[3(14.5+7)-3]-7.4

1.5[3*21.5-3]-7.4

1.5*61.5-7.4

=84.85

7 0
3 years ago
I need a answer for this please
emmasim [6.3K]

Answer:

where is the questin

Step-by-step explanation:

6 0
3 years ago
1. Find the volume of the pyramid.<br> 5 in<br> 11 in<br> 9 in<br> 74
Oduvanchick [21]

The volume of the pyramid with the given length, width and height is 165in³.

<h3>What is the volume of the pyramid?</h3>

The volume of a right rectangular pyramid is expressed as;

V = ( L × W × H ) / 3

Given that;

  • Length L = 11in
  • Width W = 9in
  • Height H = 5in

We substitute into the equation above.

V = ( L × W × H ) / 3

V = ( 11in × 9in × 5in ) / 3

V = 495in³ / 3

V = 165in³

The volume of the pyramid with the given length, width and height is 165in³.

Learn more about volume of pyramid here: brainly.com/question/17615619

#SPJ1

5 0
2 years ago
There are 52 cars in the movie theater parking lot. 12 more cars parked in the parking lot before the movie started but 3 cars l
kondaur [170]

Answer:

61

Step-by-step explanation:

52 + 12 = 64

64-3 that left is 62 cars in the parking lot

5 0
3 years ago
Read 2 more answers
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