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Triss [41]
3 years ago
11

John plans to practice piano at least 2 1 2 212 hours this weekend. If he practices 1 1 6 116 hours on Saturday and 1 1 4 114 ho

urs on Sunday, will he meet his goal?
A. Yes; he will practice a total of 2 5/12 hours, and 2 5/12 > 2 1/2.


B. No; he will practice a total of 2 5/12 hours, and 2 7/12 < 2 1/2


C. Yes; he will practice a total of 2 7/12 hours, and 2 7/12 < 2 1/2


D. No; he will practice a total of 2 7/12 hours, and 2 7/12 < 2 1/2
Mathematics
1 answer:
Irina18 [472]3 years ago
7 0
Kigyunbrjnhbbhncbnuybnmk
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Donna's TV screen is 20 inches long. If the diagonal measures 25 inches, how long is the width of Donna's TV?
lawyer [7]
25^2 - 20^2 = A^2
225 = A^2
The sq root of 225 = 15
The width of Donna’s TV is 15 inches.
Hope this helps!
I would appreciate it if I got brainliest! Thanks! =D
7 0
3 years ago
Work out the formula for the nth term of the<br>quadratic sequence:<br>5, 11, 19, 29​
Sladkaya [172]

Answer:

n squared + 3n + 1

Step-by-step explanation:

5,11,19,29

Firstly look at the difference between each number. The first difference is 6 then 8 then 10 etc. After that you look at your created sequence - 6,8,10 etc. The difference is 2 each time. Then applying rules, you have to do the constant difference divided by 2 to get a coefficient of n squared. So in this case it's n squared because 2/2 = 1 so you don't have to place a 1 in front of the n squared. After you create a sequence from the n squared. That would be 1,4,9 etc. Then you need to see how to get from the sequence: 1,4,9 etc to your original sequence: 5,11,19 etc. So if you calculate it you will get 4,7,10 because firstly 5-1 = 4 then 11-4 = 7 etc. The sequence 4,7,10 is a linear sequence so the constant difference is 3 each time. So to get a nth term of a linear sequence you will start off as 3n then you will substitute 1 then 2 then 3 into the 3n. Therefore that would be 3,6 etc. So if you take the first substituted term, that would be 3 as said before then you will have to see how to get from the 3 to 4 so that is just adding 1. So the nth term of this linear sequence is 3n + 1. Check if it works at the end. So the overall nth term of the quadratic sequence is n squared as said before + 3n + 1.

8 0
3 years ago
which expression shows 28 +35 as the greatest common factor and the sum of two whole numbers with no common factor A 7(4+5) B 9(
kari74 [83]

the answer is C. because it is the only one that does not contain a common factor :)


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3 years ago
This isn't a math question. Hellooo!!! Can someone pls help me??? how does racial discrimination relate to economic statificatio
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Im confused on what are you asking
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Please help me with this question I will give you 66 points​
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Answer:

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