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erica [24]
3 years ago
8

I don't understand this can anyone help please.

Mathematics
1 answer:
dsp733 years ago
8 0

Answer:

Radius is 9 cm

Diameter is 18 cm

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The experimental factor that is manipulated; the variable whose effect is being studied is called ____________
lorasvet [3.4K]

Answer:

The experimental factor that is manipulated; the variable whose effect is being studied is called <u>independent variable.</u>

Step-by-step explanation:

Consider the provided information.

In an experiment, the two principal variables are the independent and dependent variable.

An independent variable is the variable that is altered or controlled to test the effects on the dependent variable in a scientific experiment.

The variable which is tested and measured in a scientific experiment is a dependent variable.

From the above definition: The experimental factor that changed or controlled in a scientific experiment is called independent variable.

Therefore, the complete statement is: The experimental factor that is manipulated; the variable whose effect is being studied is called <u>independent variable.</u>

8 0
3 years ago
Ted has a credit card that uses the average daily balance method. For the first 9 days of one of his billing cycles, his balance
slega [8]
Your question doesn't say what are the options, but we can make some reasoning.

The average daily balance method is based, obviously, on the <span>average daily balance, which is the average balance for every day of the billing cycle. Therefore, in order to calculate the average daily balance, you need to sum the balance of every day and then divide it by the days of the billing cycle.
In your case:
ADB = (9</span>×2030 + 21×1450) / 30 = 1624 $

Now, in order to calculate the interest, you should first calculate the daily rate, since APR is usually defined yearly, and therefore:
rate = 0.23 ÷ 365 = 0.00063 

Finally, the expression to calculate the interest could be:
interest = ADB × rate × days in the billing cycle
or else:
<span>interest = ADB × APR ÷ 365 × days in the billing cycle

In your case:
interest = 1624 </span>× 0.23 ÷ 365 × 30
             = 30.70 $
4 0
4 years ago
Read 2 more answers
Cheryl drove 4 hours at a constant rate to travel 160 miles. At what rate did she drive?
suter [353]
40 miles per hour

160/4=40
7 0
3 years ago
Read 2 more answers
F(6) if f(x)=4x what's the answer?<br>a.24<br>b.10<br>c.16<br>or is it d.2​
Pavlova-9 [17]

Answer:

Hi! The answer to your question is A. 24

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☆Brainliest is greatly appreciated!☆

Hope this helps!!!

- Brooklynn Deka

3 0
3 years ago
A biking track has a length of 0.9 miles . How long is this in feet ?
Anika [276]
4,752 will be your answer
5 0
3 years ago
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