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3 years ago

Can some one help me Please?

2 answers:

5 0

In independent variable would be the hours studied, because it doesn't depend any anything. The dependent variable would be the test scores, as they all tie into each other.

Answer: <span>B. test scores</span>

Tju [1.3M]3 years ago

5 0

B Is the correct answer , Because you have to study for the test in order to take the test , so her studying will show up on her test. its the dependent variable

dose this help?

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A spherical balloon has a 34-in. diameter when it is fully inflated. Half of the air is let out of the balloon. Assume that the

jeka57 [31]

Answer:

a. 20,579.52 cubic inches

b.10,289.76 cubic inches.

c. 13.49 inches

Step-by-step explanation:

Hi, to answer this question we have to calculate the volume of a sphere:

Volume of a sphere: 4/3 π r³

Since diameter (d) = 2 radius (r)

Replacing with the value given:

34 =2r

34/2=r

r= 17 in

Back with the volume formula:

V = 4/3 π r³

V =4/3 π (17)³

V = 20,579.52 cubic inches

The volume of the half-inflated balloon is equal to the volume of the sphere divided by 2.

20,579.52/2 = 10,289.76 cubic inches.

To find the radius of the half-inflated balloon we have to apply again the volume formula and substitute v=10,289.76

10,289.76= 4/3 π r³

Solving for r

10,289.76/ (4/3 π)= r³

2,456.5 = r³

∛2,456.5 = r

r = 13.49 inches

7 0

4 years ago

If a cylinder has a height of 7 inches and a volume of 2908.33 in3 find its diameter

Makovka662 [10]

The answer should be 23. Not sure if you have multiple choices, or have to show the work, but 23 is the answer.

3 0

3 years ago

Read 2 more answers

The table shows how the time it takes a train to travel between two cities depends on its average speed.

Ivahew [28]

Answer:

$y=\frac{160}{x}$

Step-by-step explanation:

The table shows how the time it takes a train to travel between two cities depends on its average speed.

function models the time, y, in hours, that it takes the train to travel between the two cities at an average speed of x miles per hour

y represents the time

and x represents the average speed

WE know distance = speed * times

LEts find the distance using the table

distance = 32* 5= 160

40*4= 160

50*3.2 = 160

Time = distance / speed

times is y , distance is 160 and speed is x

$y=\frac{160}{x}$

6 0

3 years ago

Read 2 more answers

I need help please what is the correct answer

Sedbober [7]

Y = 0.8597(60) + 73.4728
y = 124.9468

About 125 g

7 0

4 years ago

Part C

Anna71 [15]

When 'c' is negative both p and q would have the same sign and when opposite signs whereas when b is positive and negative, both would have positive and negative signs respectively.

<h3>How the signs affect the factored form</h3>

The ways in which the signs of 'b' and 'c' affect the form include;

if c is negative, then p and q have opposite signs.
If c is positive, then p and q have the same signs.

If b is negative, both the signs of p and q would be negative.
Also, if b is positive, then the signs of both p and q would be positive.

Learn more about quadratic equations here:

brainly.com/question/10449635

#SPJ1

8 0

2 years ago