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Arturiano [62]
2 years ago
8

Help with both questions please

Mathematics
2 answers:
Elanso [62]2 years ago
7 0

Answer: Division ; 125

Step-by-step explanation:

First do division because (PEMDAS) do what is in the parenthesis first which is dividing the numbers inside them.

125 (just used a calculator lol)

devlian [24]2 years ago
3 0

Answer:1:b i think

              2: 125

Step-by-step explanation:

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A square pyramid is shown below: What is the surface area of the pyramid?
Reptile [31]
Well first you would find the area of the square on the bottom
Which would be:
            0.7*0.7= .49
Then we would find the area of one of the triangles on the side:
           8*0.7= 5.6* 1/2= 2.8
Next, you will multiply the 2.8 by 4, because there are 4 triangles:
          2.8*4=11.2
Finally add the 11.2 to the area of the square, and you'll have your answer.
          .49+11.2= 11.69
So, B is your answer

8 0
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fiasKO [112]

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2 years ago
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kow [346]

Answer:

4x(2x-1)

Step-by-step explanation:

8x^2-4x

Factor out the common term 4x:

4x(2x-1)

5 0
2 years ago
Please show all work and explanation.<br><img src="https://tex.z-dn.net/?f=6%5Cfrac%7B1%7D%7B4%7D-4%5Cfrac%7B3%7D%7B5%7D" id="Te
Olin [163]

Steps:

6 1/4 - 4 3/15 can also be written as 25/4 - 23/5

The LCD of 4 and 5 is 20.

That gives us 125/20 - 92/20.

Now, just subtract the numerators (leave the denominators the same).

That brings us to 33/20, which can be simplified to 1 13/20

Final Answer:

1\frac{13}{20}

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

<u><em>*Please mark brainliest if that helped!*</em></u>

8 0
3 years ago
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7 and 8

Step-by-step explanation:

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