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zheka24 [161]
3 years ago
9

Derek wants to practice playing the guitar for 9 hours in 8 days. What is the

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0

Answer:

1 hour and 7.5 minutes or 67.5 per day will help him reach his goal of 9 hours per 8 days.

Step-by-step explanation:

9 hours

- 8 days

________

8 hours

1  hour left



1 hour is 60 minutes and 60/8 is 7.5 so each day will have added to it 7.5 minutes wish makes the answer 1 hour and 7.5 minutes or 67.5 minutes.

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How do I calculate the volume of a circle?
dlinn [17]
A circle is a plane figure that has zero volume by definition. No calculation is required.

_____
The volume of a sphere is given by the formula
V = \frac{4 \pi}{3} r^{3}

Fill in the value for the radius and evaluate the expression.
4 0
3 years ago
Please help me solve this problem
ss7ja [257]

Answer:

<h2>Number of solutions: 3</h2><h2>Type: -10, -2, 2.8</h2>

Step-by-step explanation:

f(x) = 0 - the solutions are the x-intercepts.

Look at the picture.

<em>Unit: 2 : 5 = 0.4</em>

7 0
3 years ago
Morgan is playing a board game that requires three standard dice to be thrown at one time. Each die has six sides, with one of t
kati45 [8]

Question:

Morgan is playing a board game that requires three standard dice to be thrown at one time. Each die has six sides, with one of the numbers 1 through 6 on each side. She has one throw of the dice left, and she needs a 17 to win the game. What is the probability that Morgan wins the game (order matters)?

Answer:

1/72

Step-by-step explanation:

<em>Morgan can roll a 17 in 3 different ways. The first way is if the first die comes up 5, the second die comes up 6, and the third die comes up 6. The second way is if the first die comes up 6, the second die comes up 5, and the third die comes up 6. The third way is if the first die comes up 6, the second die comes up 6, and the third die comes up 5. For each way, the probability of it occurring is  1/6 x 1/6 x 1/6 = 1/216. Therefore, since there are 3 different ways to roll a 17, the probability that Morgan rolls a 17 and wins the game is  1/216 + 1/216 + 1/216 = 3/216 = 1/72</em>


<em>I had this same question on my test!</em>


<em>Hope this helped! Good Luck! ~LILZ</em>


3 0
3 years ago
Priscilla is on her school’s swim team. Her coach has noted the number of laps Priscilla and five of her teammates can swim with
ruslelena [56]

Answer:

Mean: 5, Median: 5, Mode: 5,  Range: 4

Step-by-step explanation:

Mean: 5

5 + 4 + 6 + 3 + 7 + 5 = 30

30/6 = 5

Median: 5

3, 4, 5, 5, 6, 7,

Mode: 5

3, 4, 5, 5, 6, 7

2 fives

Range: 4

7 - 3 = 4

5 0
2 years ago
Some wanna look at this and help me ?​
Vika [28.1K]
21x+1+14x+4=180
35x+5=180
35x=175
X=5
21(5)+1
105+1
Answer
4 0
3 years ago
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