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2 years ago

What is the motion of a marry go round?

Mathematics

2 answers:

ValentinkaMS [17]2 years ago

7 0

a marry go round goes in circulatory motion

lyudmila [28]2 years ago

5 0

circulatory motion is the answer

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Is anyone good at elimination method? I will give 10 points to the person that answer the question. :)

Licemer1 [7]

To eliminate x, the coefficients of x's in both equations should be opposite numbers. Since the coefficient of x in the second equation is 3, the coefficient in the first equation should be -3. So she should multiply the first equation by -3.

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3 years ago

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7k-10=-8-4(k+6)<br> Helpp

Vilka [71]

Answer:

k=-2

Step-by-step explanation:

7k-10=-8-4(k+6)

7k-10=-8-4k-24

7k-10=-32-4k

11k-10=-32

11k=-22

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2 years ago

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sergeinik [125]

Answer:

A/b

B/d

Step-by-step explanation:

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3 years ago

Simplify radical -81

Solnce55 [7]

Step-by-step explanation:

-81

$\sqrt{ - 1} \: \times \sqrt{81}$

$\sqrt{ - 1} = i$

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$i \times 9$

$9i$

5 0

3 years ago

What percentage of 5/2 hours is 15 minutes?

elena-14-01-66 [18.8K]

Answer:

10 %

Step-by-step explanation:

15 mn = 1/4 h

We have :

$\frac{\frac{1}{4} }{\frac{5}{2} } =\frac{1}{4} \times \frac{2}{5} =\frac{2}{20} =\frac{1}{10}=0.1$

Then the percentage that 15 mn represents of 5/2 h is :

0.1 × 100 = 10 %

5 0

2 years ago