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anyanavicka [17]
4 years ago
7

Need help with this pls (Show work pls)

Mathematics
1 answer:
____ [38]4 years ago
5 0

Answer:

6 hours

Step-by-step explanation:

6.50 - 2.00 = 4.50

4.50 ÷ 0.75 = 6

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How to help learners realize that 2×+3=5 is not a correct answer​
Troyanec [42]

Step-by-step explanation:

2x+3=5 is not a COMPLETE answer, however it is an answer

Submitting 2x+3=5 instead of doing the work yourself will result in a fail.

Doing work for equations but refusing to the do the final step is absolutely unnaceptable.

I hope that we can improve our learning and answering style soon, as I do not want to repeat myself.

3 0
4 years ago
There is 1000cm3 of aluminum available to cast a trophy that will be in the shape of a right square pyramid. Is this enough alum
stealth61 [152]

The 1000 cubic centimeters of aluminium is enough for aluminium a trophy  that will be in the shape of a right square pyramid and has a base edge of 10 cm and a slant height of 13 cm.

Step-by-step explanation:

The given is,

                    Volume of aluminium available is 1000 cubic centimeters

                    Shape of trophy is right square pyramid

                    Trophy has a base edge of 10 cm and slant height of 13 cm

Step:1

                     Formula for volume of right square pyramid,

                                               Volume, V = a^{2}\frac{h}{3}.....................................(1)

                     Where, a - Base edge value

                                  h - Height of pyramid

                      From given,

                                        a = 10 cm

                                        h = 13 cm

                      Equation (1) becomes,

                                           = 10^{2}(\frac{13}{3}  )

                                           = (100)(4.333)

                                           = 433.33 cm^{3}

             Volume of trophy = 433.33 cubic centimeters

             Compare with the volume of available aluminium and volume of right square pyramid,                          

            Volume of available aluminium > Volume of right square pyramid

                                               1000 cm^{3} > 433.33 cm^{3}

            So, the given volume of aluminium is enough to make right square pyramid shaped trophy.

Result:

          The 1000 cubic centimeters of aluminium is enough for aluminium a trophy  that will be in the shape of a right square pyramid and has a base edge of 10 cm and a slant height of 13 cm.

6 0
3 years ago
Read 2 more answers
Which is another way to write 42+63
zysi [14]
21+21+31.5+31.5 over here we split both of the numbers in half, creating a different way of writing the equations!
or the easier way would be:
63+42 All we did here was switch the numbers to create the same equation in the opposite form!
 
4 0
4 years ago
Please help ASAP with slopes and explain!!! I will mark brainliest if right!!!
stira [4]

Answer:

d

Step-by-step explanation:

because a - b is minus 1. and a - b is plus 2. rise over run equals -1 / 2. ur welcome

6 0
3 years ago
What fraction is shown on the ruler below?<br><br> Pls help
VikaD [51]

Answer:

2 3/8

The denominator is 8 because there are 8 total lines

how you get 2 is because you passed the 2 lines and if you count the lines it goes up to three

7 0
3 years ago
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