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exis [7]
4 years ago
10

Simplify this map scale 1cm:5km

Mathematics
1 answer:
Vadim26 [7]4 years ago
4 0

This problem belongs to comparing quantities.

we have 1 cm :5km

we have different units in our ratio so we need to convert km as cm so we can have same units here.

we know that

1 km =1000m

5km=5000m

100cm=1m

5000m=500000cm

1cm:500000cm =1÷500000 units will be cancels as we have same unit on to and bottom

1÷500000=0.000002 this is the simplified form of given ratio

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Write using only positive exponents. 16x^4z^4/36x-2yz^0
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Answer:

Step-by-step explanation:

16x^4y^-3z^4 / 36x^-2yz^0

16x^4y^-3z^4 = 16x^4z^4/y^3

36x^-2yz^0 = 36x^-2y(1) =36x^-2y = 36y/x^2

16x^4y^-3z^4 / 36x^-2yz^0

= (16x^4z^4/y^3) / (36y/x^2)

= 16x^4z^4/y^3 * x^2/36y  

= (4/9)x^6z^4/y^4

or another way

fist multiply it out

f(x) = 4x^(3/5) - x^(8/5)

now differentiate knowing d/dx(x^n) = n x^(n-1)

to get

4*(3/5) x^(-2/5) - 8/5 x^(3/5)

simplify to get

12/5/x^(2/5) -   8/5 x^(3/5)

If this is what your looking for please give me brainiest, i have done this problem in the past so i know how to solve it :)

5 0
3 years ago
Richie and his brother have a paper route. Together they can deliver all of the papers in 40 minutes, and Richie can do it alone
Tcecarenko [31]

Answer

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4 years ago
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Elise goes to an exercise class every Wednesday night. 45% of the students in the class are men. If there are 20 students in the
a_sh-v [17]
There are 9 men in the class
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Write the following ratio using two other notations. 4 : 5
Fittoniya [83]

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Students are running in a relay race. Each team will run a total of 3 miles. Each member of a team will run 1/3 mile
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Answer:

9 students

Step-by-step explanation:

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Since we need 3 times that amount of miles we multiply the amount of students it takes to run 1 mile so that we find out how many we need to run 3 miles.

3 x 3 = 9

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3 years ago
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