3 years ago

Solve. 2 = 4 times quantity z 1

Mathematics

1 answer:

timofeeve [1]3 years ago

5 0

2 because 4/2=2 hope it works

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Sam can mow a lawn in 40 minutes. Vanessa can mow the same lawn in 60 minutes. How long does it take for both Sam and Vanessa to

xxMikexx [17]

Answer:

As a reduced fraction: $\frac{120}{5}$ minutes, which is 24 minutes

Step-by-step explanation:

Sam's speed is 1 lawn in 40 minutes. Vanessa's speed is 1 lawn in 60 minutes. If they both work together, the total speed is:

$\frac{1}{40}+\frac{1}{60}=\frac{1(3)}{40(3)}+\frac{1(2)}{60(2)}=\frac{3}{120}+\frac{2}{120}=\frac{5}{120}$

Which means that the total speed would be 5 lawns in 120 minutes. To find the time it would take to mow one lawn at that speed, we need to invert that speed so we get minutes per lawn:

$\frac{120}{5}=24minutes$

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Step-by-step explanation:

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3 years ago

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Kazeer [188]

If x=n then it would have 2 solutions because it would be x^2 = c which has a positive and negative solution but idk if that is what you are asking for

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3 years ago

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Reduce to simplest form. -9/12 - (-7/4) (They are fractions)

Hoochie [10]

Answer:

The answer is one

Step-by-step explanation:

-9/12= -.75

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