A biologist wants to determine the effect of a new fertilizer on tomato plants. What could be a response variable?

Answers

Answer 1

Answer:

Step-by-step explanation:

The response variable is also called as the outcome variable or dependent variable. The changes occurring in the response variable is due to changes in the independent variable.

In the given situation, the response of new fertilizer on the tomato plants is to be checked. Hence, the growth of tomato plants is the response variable. The new fertilizer is the independent variable.

Answer 2

Answer: Plant growth could be a response variable! :)

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What is 51/4 ÷ 22/7 ? A. 1219/64 B. 219/64 C. 2 D. 12

Answers

a. 1219/64

hope the answer helps you

The answer is B hope this helps :D

Find slope of 2x-4y + 7=0

Answers

Answer:

1/2

Step-by-step explanation:

The first thing you want to do is get y by itself. Subtract 7 from both sides:

2x-4y=-7

and then subtract 2x ( the goal is to make your equation look like this: y=mx+b):

-4y= -2x-7

Now, y is mostly isolated, all you have to do now is divide both sides by -4 in order for y to be completely by itself:

y=-2/-4x -7/-4

Simplify completely:

y=1/2x+7/4

Now you have your equation you can easily read it as y=mx+b.

** m is slope & b is the y-intercept**

So your slope would be: 1/2

D/4 -7 =-12 $d/4 -7 =-12$

Answers

Answer:

jhvb

Step-by-step explanation:

jkbh

The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. the ship uses 30 barrels of oil in traveling 85 miles at 42 mi/h. how many barrels of oil are used when the ship travels 26 miles at 54 mi/h? round your answer to the nearest tenth of a barrel, if necessary.a. 2.3 barrel

Answers

The amount of oil used when the ship travels 26 miles at 54 mi/h is 15.2 barrels

Let the amount of oil used by the ship is $y$ barrels

let the distance traveled be $s$ miles

Let the velocity of the of the ship be $v$ miles per hour

then according to the given condition we can write equation (1)

$y\; \alpha \; s\; v^2\n\n\ny\; = k \; s\; v^2....(1)\n\n\nrm where \; k = constant \; of\; Proportionality$

Given that ,

Quantity ofOil used by ship = 30 barrels

Speed of the Ship =42 miles per hour

Distance traveled by the ship = 85 miles

Putting these values in equation (1) we can get

$\rm 30= k* 85*\ (42)^2\nk = 0.0002$

So the equation of amount of oil used can be written as equation (2)

$y = 0.0002* sv^2....(2)$

According to second condition given in the question we can write

$\rm y = 0.0002* 26* (54)^2\n\rm y= 15.2 \; barrels$

For more information please refer to the link below

brainly.com/question/21328304

A = kdv^2 where A = amount oil d = distance and v = speed and k is a constant
so
30 = k*85*42^2
Now solve for k:-
k = 30 / (85*42^2) = 0.00020008

So when d = 26 and v = 54

Amount of oil A = 0.00020008 * 26*54^2
= 15.2 barrels

When two musical notes are a “sixth” apart, the frequency of the lower note is 3/5 the frequency of the higher note. Using f as the frequency of the higher note, write an expression for the frequency of the lower note. HELP!1. f - 2/5

2. 3/5 f

3. 2/5 f

4. 3/5 + f

Answers

The correct expression for the frequency of the lower note when two musical notes are a sixth apart is: 3/5 f

Given that two musical notes are a “sixth” apart, the frequency of the lower note is 3/5 the frequency of the higher note.

We need to determine the expression for the frequency of the lower note.

When two musical notes are a "sixth" apart, it means that there are five whole steps or intervals between the two notes.

In music theory, each whole step corresponds to multiplying the frequency by a constant factor.

If we denote the frequency of the higher note as f, then the frequency of the lower note, which is 3/5 times the frequency of the higher note, can be calculated by multiplying f by 3/5.

Therefore, the correct expression for the frequency of the lower note is 3/5 f.

Learn more about musical notes click;

brainly.com/question/31825973

#SPJ4

Answer:

2. 3/5 f

Step-by-step explanation:

the lower note is the product of it's fractional part and the frequency of the higher note.

256, 196, 144, 100, 64

Answers

36, 16 u subtract 60 in the first 2 then subtract 52, then subtract 44, and continue

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Y varies directly as x , y= 25 when x=5. Determine y when x= 13