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777dan777 [17]
3 years ago
7

A group of volunteers are helping to create a community garden. the project should take 200 hours of work. if v represents the n

umber of volunteers and each volunteer works only eight hours which equation could be used to determine how many volunteers are needed to finish the project
8=200/v
v=200×8
200=8/v
8=200×v
Mathematics
1 answer:
blondinia [14]3 years ago
5 0
I think the answer is 8=200/v
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Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjectur
iren2701 [21]

Answer:

8(5) + 8(25) + 8(125) + 8(625) +8(3125)= 10(3125 - 1)=31240

Hence proved Conjecture is correct

L.H.S=R.H.S

Step-by-step explanation:

Consider the pattern:

8(5)=10(5-1)=40

8(5) + 8(25) = 10(25 - 1) =240

8(5) + 8(25) + 8(125) = 10(125 - 1) =1240

8(5) + 8(25) + 8(125) + 8(625) = 10(625 - 1)=6240

According to inductive reasoning next term of pattern will become:

8(5) + 8(25) + 8(125) + 8(625) +8(3125)= 10(3125 - 1)=31240

Checking whether conjecture is correct or not:

Consider L.H.S:

8(5) + 8(25) + 8(125) + 8(625) +8(3125)

40+200+1000+5000+25000

31240

R.H.S:

31240

Hence proved Conjecture is correct

L.H.S=R.H.S

7 0
2 years ago
Given that 2x-7y=30
lidiya [134]

Answer:

y = - \frac{24}{7}

Step-by-step explanation:

Substitute x = - 3 into the expression

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y = \frac{36}{-7} = - \frac{36}{7}

4 0
2 years ago
Any help is greatly appreciated but please show how to get answers
seraphim [82]

We first calculate the front and back which are 2 congruent(equal) triangles. The 2 areas together is...

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7*5*2=70

The last part is the rectangle on the bottom with area...

9*5=45

Now we just need to add them all together...

54+70+45=124+45=169

I hope this helped you, if you have any questions about this solution just ask me in the comments :)

8 0
2 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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Answer:

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