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2 years ago

Did I get this right? If not could someone explain this to me?

Mathematics

2 answers:

andreev551 [17]2 years ago

7 0

That is correct and good job on writing out what a independent and dependant variable is.

emmasim [6.3K]2 years ago

4 0

Correct!
Your notes on the right side are correct, too.

Independent -- not dependent on another variable
Dependent -- dependent on another variable

The height of the plant varies because/due to of the quality/quantity of fertilizer.
So, the height is changed by the fertilizer.

Thus: height is dependent and fertilizer amount is independent.

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Help me find the volume please

Elena L [17]

Answer:

Step-by-step explanation:

The formula of a volume of a pyramid:

$V=\dfrac{1}{3}BH$

B - area of a base

H - height

We have the square in the base with side length a = 11 in.

Area of a base:

$B=11^2=121\ in^2$

Calculate the volume:

$V=\dfrac{1}{3\!\!\!\!\diagup_1}(121)(15\!\!\!\!\!\diagup^5)=(1)(121)(5)=605\ in^3$

3 0

2 years ago

It takes Prakash 2 1/2 hours to paint a medium sized room. If he can work 50 minutes each day, how many days will it take to com

Aleksandr-060686 [28]

60 min in one hour so 60+60+30=150.
150 divided 50 mins = 3 days (50+50+50=150)

3 0

3 years ago

The product of x and its opposite is always 1. O True O False

kari74 [83]

Answer:

False

Step-by-step explanation:

The opposite of x is -x

x* -x = -x^2

This is not always 1

3 0

2 years ago

Read 2 more answers

Perpendicular lines intersect to form four right angles. never always sometimes

natima [27]

Answer:

Always

Step-by-step explanation:

The definition of a perpendicular line is that it intersects another at a 90 degree angle. Using this, by verticals, the opposite corner angle must also be 90-degrees, and since one side of a line is 180 degrees, 180-90 = 90, which ensure the rest of the angles will be 90 degrees too.

3 0

2 years ago

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The set of ordered pairs represents a

Murrr4er [49]

Answer:

The rule that represents the function is $y=x^2+1$ therefore the function is $f(x)=x^2+1$

Step-by-step explanation:

We have 5 ordered pairs in the plane xy. This means that every pair has the form (x, y).

Then, we have 5 values of x, which will give us 5 values of y, using the rule that represents the function.

The easy evaluation is that when x=0, the value of y is y=1, and then we can evaluate the rule for x=-1, and x=1, the value of y is the same, y=2. We can see here that we have a parabolic function, that is not centered in the origin of coordinates because when x=0, y=1.

So we propose the rule $y=x^2+1$ which is correct for the first 3 values of x.

Now, we evaluate the proposed rule when x=2, and when x=3. This evaluations can be written as

$f(2)=2^2+1=5$

$f(3)=3^2+1=10$

Therefore, the rule is correct, and the function is

$f(x)=x^2+1$

8 0

2 years ago