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seropon [69]
3 years ago
13

The diameter of a circle is two times its radius. Which

Mathematics
1 answer:
atroni [7]3 years ago
3 0
I can’t type it out but the equation is Pi(radius)^2
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Find the angle which is equal to its supplement. ​
vesna_86 [32]

Answer:

the angle which is equal to its supplement is 90 degree

8 0
3 years ago
A boat can travel 105 miles on 15 gallons of gasoline. How much gasoline will it need to go 140 miles?
Mrac [35]

Answer:

20 gallons

Step-by-step explanation:

105/15=7

7*20=140

4 0
3 years ago
Read 2 more answers
Tammy conducted a survey to find the favorite subject of the students at her school. She asked 25 students from her math class w
almond37 [142]
Tammy's sample may not be considered valid because, on the first hand, it is said that she only asked students from her " Math Class". 
If she wants to have a survey to find out the favorite subject of the students at her school, she must conduct a survey involving all the students in her school, not just in her class. What she did is just subjective. She should use a tally listing the different subjects and compare the number of students per subject. This way, she can have an objective representation of the least liked subjects and the most liked subjects of the students on her school.
Illustrating her survey through statistics may be more reliable and valid because it shows frequencies in which she can calculate easily and accurately the percentage of  the number of students per subject, in a more objective manner.
7 0
3 years ago
V(t) = 1 + 2sin(t^2/2) solve for t
Crank

Answer:

omg i'm so sorry thats the wronge answer i ment this to go to a diffrent question

Step-by-step explanation:


7 0
3 years ago
Which of the following choices is the simple formula for the nth term of the following arithmetic sequence?
VladimirAG [237]
First, we start off with the nth term formula for an arithmetic sequence, which is 
a_{n} =a_{1}+(n-1)d

plug in the sequence numbers where they belong

a_{n}=5+(n-1)*(-4)

a_{n}=5+(-4n+4)
a_{n}=5-4n+4
a_{n}=-4n+9

And this is the final answer
-4n+9
4 0
3 years ago
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