Help me??????????????????????????????

Mathematics

1 answer:

____ [38]3 years ago

8 0

Very confusing wording and your picture is blurry sorry

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

Dmitry [639]

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

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

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3 years ago

A triangle with vertices (0, 4), (3, 7) and (5, 1) is translated a distance of 4 units to the left. What are the new coordinates

STALIN [3.7K]

The new coords are (-4, 4), (-1,7) and (1,1)

5 0

3 years ago

Can someone plz help me on this thank you sooo much

Stells [14]

Answer:

the last answer

Step-by-step explanation:

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3 years ago

Please help! Will mark brainliest!

hodyreva [135]

What is the question?

7 0

3 years ago

PLEASE ANSWER ASAP:

user100 [1]

Answer:

The expression: x + 3x + (3x-5)

Step-by-step explanation:

Okay, so x is the amount of $ spent. And three times means 3x, and 5 less on entertainment is 3x - 5. So put the expression together and you get x + 3x + (3x-5). Now plug in 10 for x so 10+3(10) + (3(10) -5).

B. $30

C. $25

D. $65

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3 years ago