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exis [7]
3 years ago
11

Please help me with this math problem please:)

Mathematics
1 answer:
Paraphin [41]3 years ago
7 0

Answer:

707 ft^2

Step-by-step explanation:

In order for you to find the area for this irregular shape, you are going to cut it into two shapes. I chose to cut it horizontally where we then end up with two rectangular.

17 +16 = 33 and 24 - 5 = 19 // The sides of the top rectangular are the Widths being 19 and the length being 33.

To Calculate a Rectangular's area we multiply the L × W

= 33 × 19

= 627

The sides of the smaller rectangular are 5 and 16.

L × W = 16×5

= 80

To get the final answer, we must then add together the area of both the rectangles :

= Area of Rectangle 1 + Area of Rectangle 2

= 627 + 80

= 707

We then put on our measurements = 707 ft^2

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aleksklad [387]

9514 1404 393

Answer:

  c) 16,500 m³

  d) 277,088 mm³

  a) V = LWH

  b) V = πr²h

Step-by-step explanation:

The relevant volume formulas are ...

  • rectangular pyramid: V = 1/3LWH
  • cylinder: V = πr²h
  • rectangular prism: V = LWH

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13c. The pyramid formula above tells us the volume is ...

  V = 1/3(60 m)(15 m)(55 m) = 16,500 m³

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13d. The cylinder formula above tells us the volume is ...

  V = π(35 mm)²(72 mm) ≈ 277,088 mm³ ≈ 277 mL

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14a. The shape appears to be a rectangular prism, so its volume is given by the formula ...

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7 0
3 years ago
A department store sold 51 51 shirts one day. All short-sleeved shirts cost $14.00 $ 14.00 each and all long-sleeved shirts cost
Dmitrij [34]

Answer:

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

Step-by-step explanation:

We can solve this question by a system of equations.

I am going to say that:

x is the number of short-sleeved shirts sold.

y is the number of long-sleeved shirts sold.

A department store sold 51 shirts one day.

This means that x + y = 51

All short-sleeved shirts cost $14.00 each and all long-sleeved shirts cost $23.00 each. Total receipts for the day were $921.00.

This means that

14x + 23y = 921

How many of each kind of shirt were sold?

We have to solve the system of equations.

x + y = 51

x = 51 - y

--------------

14x + 23y = 921

14(51 - y) + 23y = 921

714 - 14y + 23y = 921

9y = 207

y = \frac{207}{9}

y = 23

--------

x = 51 - y = 51 - 23 = 28

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

7 0
3 years ago
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Whitepunk [10]

Answer:

Step-by-step explanation:

N = 3rt^4 - 5rz

now factor r out

N = r(3t^4-5z)

divide by r on both sides

N/r = (3t^4 - 5z)

subtract (3t^4)

N/r - 3t^4 = -5z

now divide by -5 to isolate the variable (z)

\frac{(n/r)-3t^4}{-5} = z

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3 years ago
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Kruka [31]

Answer:

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Step-by-step explanation:

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