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3 years ago

Which of the coordinates listed below could represent a point found on the line 3x?

1 answer:

4 0

Well.. You seem to have forgotten to add the coordinates...

Anyway, the line is represented by the function f(x) = 3x .

Any point which follows the form (x,3x) will be on the line

for example (-3,-9) ; (-2,-6) ; (-1,-3) ; (0,0) ; (0.333333,1) ; (1, 3) ; (2,6) ; (3,9) ; and so on....

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The number of bacteria in a culture increases continuously and rapidly when put under a heat source. a culture containing 20 bac

Len [333]

Answer:

The answer is 14.46%

Step-by-step explanation:

Given is : A culture containing 20 bacteria multiplies to 117,360 in one minute.

Let A0 be initial bacteria count = 20

Let A be final bacteria count = 117360

Time = 60 seconds

R = rate

Formula to be used = $A=A0e^{rt}$

$117360=20e^{r*60}$

$5868=e^{60r}$

Taking log function (ln) on both sides.

$ln(5868)=ln(e^{60r} )$

$60r=8.677$

Hence, r = 0.1446 and in percentage it is 14.46%

5 0

3 years ago

In kite WXYZ, m∠ZWY=41∘ and m∠XYW=11∘.<br><br> What is m∠WZY?<br><br> Enter your answer in the box.

Elina [12.6K]

Applying the properties of a kite, m∠WZY = 128°.

<h3>Properties of a Kite</h3>

The diagonals of a kite bisect each other perpendicularly.
The main diagonal bisects the opposite angles.

Given:

m∠ZWY=41∘

m∠XYW=11∘

m∠WZY = (180 - 90 - 41) + (180 - 90 - 11)

m∠WZY = 49 + 79

m∠WZY = 128°

Therefore, applying the properties of a kite, m∠WZY = 128°.

Learn more about kite on:

brainly.com/question/25776644

8 0

2 years ago

Choose the right answer.

Elenna [48]

The answer is 6%.
please mark my answer as most brainliest if it helped you! :)

7 0

3 years ago

Read 2 more answers

2. If f(x) = -x2(second power)- 5x + 18, what is f(-5)

KiRa [710]

Answer:

-18

Step-by-step explanation:

f(-5)= (-5)2-5(5)+18
25-43
-18

5 0

3 years ago

Need help ASAP, please.

mamaluj [8]

Answer:

n = 3
(1, 1/6), (-2, 7/6), (5, -7/6)
2x + 6y = 3

Step-by-step explanation:

A graphing program can help a lot in this case. Even without the program, it seems clear from a graph that only the first three points will lie on the same line.

The slope of the line can be found from the first two points as ...

∆y/∆x = (7/6 -1/6)/(-2 -1) = (6/6)/-3 = -1/3

Then the point-slope form of the equation can be written as

y -1/6 = -1/3(x -1)

Multiplying by 6 gives ...

6y -1 = -2x +2

Adding 2x+1 puts the equation into standard form:

2x + 6y = 3

7 0

3 years ago