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3 years ago

Help fast thanksddddd

Mathematics

2 answers:

vredina [299]3 years ago

5 0

Answer:

2. 19

3. 1

4. 6

5. 5

6. 9

7. 1

8. 53

9. 4

10. 11

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klasskru [66]3 years ago

3 0

Answer:

2) 10/9 = 1.111111111

3) 1/2 = 0.5

4) 2

5) 3/7 = 0.428571429

6) 4/5 = 0.8

7) 1

8) 42/11 = 3.818181818

9) 5/3 = 1.666666667

10) 7/4 = 1.75

Step-by-step explanation:

Hope this helps

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An automobile travels past the farmhouse at a speed of v = 45 km/h. How fast is the distance between the automobile and the farm

yulyashka [42]

Answer:

$\frac{ds}{dt} = 39.586 km/h$

Step-by-step explanation:

let distance between farmhouse and road is 2 km

From diagram given

p is the distance between road and past the intersection of highway

By using Pythagoras theorem

$s^2 = 2^2 +p^2$

differentiate wrt t

we get

$\frac{d}{dt} s^2 = \frac{d}{dt} (4 + p^2)$

$2s \frac{ds}{dt} =2p \frac{dp}{dt}$

$\frac{ds}{dt} = \frac{p}{s}\frac{dp}{dt}$

$\frac{ds}{dt} = \frac{p}{\sqrt{p^2 +4}} \frac{dp}{dt}$

putting p = 3.7 km

$\frac{ds}{dt} = \frac{3.7}{\sqrt{3.7^2 +4}} 45$

$\frac{ds}{dt} = 39.586 km/h$

3 0

3 years ago

A bookstore contains 75972 books,divided in to three sections. The science represents 1/3 of the total books. The remaining book

S_A_V [24]

Answer:

12,662 books

Step-by-step explanation:

Total number of books = 75,972

No. of science books = ⅓ of 75,972 = ⅓*75,972 = 25,324 books.

No. of business books = 75% of the remaining books = 75% of (75,972 - 25,324)

= $\frac{75}{100}*50,648 = 37,986$

No. of business books = 37,986

No. of maths books in the math section = 75,972 - (25,324 + 37,986)

= 75,972 - 63,310

= 12,662 books

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3 years ago

A website charges the same shipping fee on every order

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Answer:

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Step-by-step explanation:

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2 years ago

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ArbitrLikvidat [17]

Answer:

12x+3 / 4x

Step-by-step explanation:

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3 years ago

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lidiya [134]

Answer:

Step-by-step explanation:

$\sqrt{121} = \sqrt{11 \times 11} = 11 \\$

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3 years ago

Help fast thanksddddd​

Help fast thanksddddd