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V125BC [204]
2 years ago
8

How far does a train go in 100 minutes

Mathematics
2 answers:
KonstantinChe [14]2 years ago
3 0
Answer:1.666667km/mins



Explanation/work: 100km/hour*1h/60min
=1.66667(km*h)(mins*h)
1.6667km/mins
OlgaM077 [116]2 years ago
3 0
1.666667 is how fast it goes
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What is the equation of a circle with the center(-9,-5) and radius equals 9
mezya [45]

Answer:

(x+9)^2+(y+5)^2=81

Step-by-step explanation:

(x-h)^2+(y-k)^2=r^2

(h,k)=center

r=radius

so if you just insert the center (-9,-5) and the r with 9

(x-(-9))^2+(y-(-5))^2=9^2

(x+9)^2+(y+5)^2=81

Hope that helps :)

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2 years ago
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If 1 pound of candy is 3.50 how much candy can you get with one dollar?
polet [3.4K]

Answer:

Step-by-step explanation:

16 divided by $3.50 = 4.5

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2 years ago
Solve the following systems by substitution
Paladinen [302]

Answer:

The answer to your question is below

Step-by-step explanation:

Question 1

                x = 5                       Equation l

                2x + y = 10              Equation ll

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               2(5) + y = 10

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Question 2

                 x + 16y = 20          Equation l

                 x = 4y                    Equation ll

Substitute equation ll in equation l

                4y + 16y = 20

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                           y = 1

-Find x

                x = 4(1)

                x = 4

-Solution

                (4, 1)

Question 3

                   2x + 8y = 20            Equation l

                     x = 2                       Equation ll

-Substitute equation ll in equation l

                   2(2) + 8y = 20

                      4 + 8y = 20

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                            8y = 16

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- Solution

                   (2, 2)              

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