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xxMikexx [17]
3 years ago
9

Help, What is the volume of the concrete piece?

Mathematics
2 answers:
Ratling [72]3 years ago
8 0
Answer: 1,215 in ^ 3

Volume is length x width x height.
I would split the figure into two different parts.

(In the picture I drew a line)

So no let’s find the volume of both shapes.

The fist one is 8 x 5 x 19

You get 19 as the height because the 9 and the 10 need to be added together to get the height of the shape.

8 x 5 = 45

45 x 19 = 855

Now let’s find the volume of shape #2

20 x 8 x 9

20 x 8 = 40

40 x 9 = 360

Now we have the volume of the shape split into two parts so we need to add them together.

855 + 360 = 1,215

I think that’s how you do it. I haven’t done this in a while
Ierofanga [76]3 years ago
3 0

Answer:

72,000

Step-by-step explanation:

multiply everything

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Compare 4 × (8 – 3) and 32 – 12.
katrin [286]

Answer:

0, I hope this is what I was supposed to do!!!

Step-by-step explanation:

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6 0
4 years ago
Read 2 more answers
7(2x-5)=21<br><br> What is x?
Over [174]

Answer:

x = 4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

7(2x - 5) = 21

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute 7:                   2x - 5 = 3
  2. Isolate <em>x</em> term:                2x = 8
  3. Isolate <em>x</em>:                         x = 4

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                  7(2(4) - 5) = 21
  2. Multiply:                             7(8 - 5) = 21
  3. Subtract:                            7(3) = 21
  4. Multiply:                             21 = 21

Here we see that 21 does indeed equal 21.

∴ x = 4 is the solution to the equation.

6 0
3 years ago
Hey y’all should follow it
REY [17]

Answer:

ok I will

Step-by-step explanation:

6 0
2 years ago
Help please I'm need help with number 4, 5 , and 6
Westkost [7]
4= 121 5= 49 6= 169 hope this helps
4 0
3 years ago
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A vehicle purchased for $25,000 depreciates at a constant rate of 4%
Mrrafil [7]

Answer:

so the answer is+$:$_1;28_6(4?3926$54;2(the 35$$-(3836252;3(837353+3(383635;33(836$-

Step-by-step explanation:

thanks me later

7 0
3 years ago
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