2 years ago

Neighborhood on her cell ph

Mathematics

1 answer:

SOVA2 [1]2 years ago

8 0

Answer:

1 = 10

Step-by-step explanation:

0.5 x X = 15

15/0.5 = 30

30/3 = 10

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Resolver la siguiente ecuación por eliminación o sustitución: a-8b= -9 a-2b= -7

Crazy boy [7]

Answer: Solution: $a=\dfrac{-19}{3}$ and $b=\dfrac{1}{3}$ .

Step-by-step explanation:

The given pair of equations:

$a-8b= -9\ ...(i)\\\\ a-2b= -7\ ...(ii)$

Eliminate equation (i) from (ii) , we get

$-2b-(-8b)=-7-(-9)\\\\\Rightarrow\ -2b+8b=-7+9\\\\\Rightarrow\ 6b=2\\\\\Rightarrow\ b=\dfrac{1}{3}$

Put value of b in (ii) , we get

$a-2\times\dfrac{1}{3}=-7\\\\\Rightarrow\ a=-7+\dfrac{2}{3}\\\\\Rightarrow\ a=\dfrac{-21+2}{3}\\\\\Rightarrow\ a=\dfrac{-19}{3}$

Solution: $a=\dfrac{-19}{3}$ and $b=\dfrac{1}{3}$ .

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3 years ago

If terrance ran 12mph and jesse ran 8mph how long will it take them to run 50 miles

Sholpan [36]

Answer:

Terrance would take 4.2666 hours, Jesse would take 6.25 hours

Step-by-step explanation:

1h/12m per hour x 50m/1h is also 50m/12m per hour = 4.266 hours (round number)

1h/8m per hour is also 50m/8m per hour = 6.25 hours (round number)

6 0

3 years ago

Drag steps into order to correctly solve the equation 4x = 112 for x.

alekssr [168]

4x=112
x=112/4 ( '/' means divide)
x=28

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3 years ago

Read 2 more answers

If a cone has a height that equals twice the diameter of its base,what is its volume in terms of the height

Andrew [12]

I am not sure. that is too confusing for my little brain

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3 years ago

I really don’t understand this and i need help so if you can pls help

ohaa [14]

Answer:

1537500

Step-by-step explanation:

it should be that. all you do is multiply 615000 by 2.5

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3 years ago