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2 years ago

Point G is the centroid of triangle abc use the information to find the value of x.

Mathematics

1 answer:

ioda2 years ago

5 0

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Which does not show a direct variation between x and y?

Dmitry [639]

$(1)\\direct\ variation\ between\ x\ and\ y:\ \ \ y=k\cdot x\ \ \ and\ \ \ k\in\ R\\\\Ans.\ NOT\ direct\ is\ D\\\\(2)\\f(x) = m\cdot x\ \ \ and\ \ \ f(6)=8\\\\ \Rightarrow\ \ \ m\cdot 6=8\ \ \ \Rightarrow\ \ \ m= \frac{8}{6} = \frac{4}{3} \ \ \ \ \Rightarrow\ \ \ \ Ans.\ D\\\\(3)\\f(x)=30x\ \ \ \Leftrightarrow\ \ \ \frac{f(x)}{x} =30\ \ \ \ \ \ \Rightarrow\ \ \ \ constans=30\ \ \ \ Ans.\ B.$

$\\\\(4)\\f(x)=m\cdot x\ \ and\ \ f(8)=56\\\\m\cdot8=56\ \ \Leftrightarrow\ \ m= \frac{56}{8} =7\ \ \Rightarrow\ \ \ f(x)=7x\ \ \ \Rightarrow\ \ \ f(2)=7\cdot2=14\\\\Ans.\ D.$

3 0

2 years ago

Is 144 a perfect square?

garri49 [273]

Answer:

Yes

Step-by-step explanation:

Because its the square root of 12

4 0

2 years ago

Read 2 more answers

Which model represent the factors of 4x2-9

lions [1.4K]

Step-by-step explanation:

4x²-9

4x²+6x-6x-9

2x(2x+3)-3(2x+3)

(2-3)(2x+3)

solution

(8x-3)(2x+3)

6 0

1 year ago

Hello I need help with my math homework that I don’t understand if you could help me out the would be great thank you

Klio2033 [76]

Answer:

3) 10

4) 12

hope that helps buddy

Step-by-step explanation:

4 0

2 years ago

Match the correct equation for the variable n with * for number of times compound interest is figured. quarterly d.___ semi-annu

Dvinal [7]

Answer:

quarterly N = 4

semi-annually N = 2

Monthly N = 12

annually N = 1

Step-by-step explanation:

Given the following compound interest times :

N = number of times interest is compounded per period :

A period is regarded as a whole year.

Interest compounded;

QUARTERLY = Every 4 months per period = 12/3= 4

SEMI ANNUALLY = Every 6 months per period = 12/6 = 2

MONTHLY = Every month = 12 / 1 = 12

ANNUALLY = Every 12 months = 12 /12 = 1

3 0

2 years ago