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VashaNatasha [74]
3 years ago
12

2.394inches per minute about how many inches will it travel in 7.489minutes.

Mathematics
2 answers:
DedPeter [7]3 years ago
6 0

So the ratios would look like this:

2.394 inches : 1 minute

x inches : 7.489 minutes

You need to do this: 7.489*1*2.394.

= 7.489*2.394

≈ 17.929 inches.


mylen [45]3 years ago
6 0

Answer:

about 3.12 minutes

Step-by-step explanation:

7.489/2.394= 3.12

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Solve the Differential equation (x^2 + y^2) dx + (x^2 - xy) dy = 0
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Answer:

\frac{y}{x}-2ln(\frac{y}{x}+1)=lnx+C

Step-by-step explanation:

Given differential equation,

(x^2 + y^2) dx + (x^2 - xy) dy = 0

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Differentiating with respect to x,

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From equation (1),

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x\frac{dv}{dx}=\frac{1 + v^2}{v-1}-v

x\frac{dv}{dx}=\frac{1 + v^2-v^2+v}{v-1}

x\frac{dv}{dx}=\frac{v+1}{v-1}

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A pineapple is 7 times as heavy as an orange. The pineapple also weighs 870 grams more than the orange.
Kazeer [188]
Let's say that the weight of the orange is x and the weight of the pineapple is y.
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y = 7x.
Also, y = x + 870.
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If we take away x from both sides, we get 6x = 870
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To convert grams into kilograms, they must be divided by 1000.
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Answers:
a. 145g for the orange and 1015g for the pineapple.
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