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goldenfox [79]
3 years ago
14

a sand timer has 5 5/16 ounces of sand. of sand falls at a rate of 2.5 ounces per minute, how many minutes will the timer last?

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

about 2 minutes

Step-by-step explanation:

first lets make everything in the same term

so 2.5 =2 1/2

then divide 5 5/16 by 2 1/2

or 85/16 divided by 5/2

you get 2 1/8

so you have about 2 minutes before the timer runs out

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What are the coordinates of the center of a circle whose equation is (x + 10)2 + (y – 8)2 = 17?
Sonja [21]

we just need make inside square 0

x+10=0

x=-10

y-8=0

y=8

so the center is (-10,8)

7 0
3 years ago
Read 2 more answers
The spinner below is spun twice. If the spinner lands on a border, that spin does not count and spin again. It is equally likely
RoseWind [281]

The probability of red on the second spin 1/12. the probability of blue on the second spin 1/18.  the probability of not spinning cyan on either spin is 25/36.

<h3>What is probability?</h3>

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

<h3>What is probability formula?</h3>

The ratio of favorable outcomes to all possible outcomes is used as the formula to determine an event's probability. Probabilities are always in the 0 to 1 range.

Probability = Number of Favorable Outcomes / Total Number of

we know the formula of probability;

probability=favorable outcomes/total number of outcomes

so for red:

P(red) = 3/6 = 1/2

so for blue:

P(blue) = 2/6 = 1/3

so for cyan

P(cyan) = 1/6

Now totally;

P( cyan then red) =  1/6 * 1/2 = 1/12

P(cyan then blue) =  1/6 * 1/3 = 1/18

P( no cyan on 2 spins) = (1/2+1/3)* (1/2+1/3) = 5/6 * 5/6 = 25/36

To learn more about probability visit:

brainly.com/question/13604758

#SPJ4

4 0
1 year ago
3) Katie’s family went out to dinner. The dinner bill was $85 and the family gave the server a 20% tip. a) What’s the tip? Pleas
Anni [7]

Answer:

<u>Part A: US$ 17</u>

<u>Part B : US$ 102</u>

Step-by-step explanation:

1. Let's check all the information given to us to answer the question correctly:

Dinner bill = US$ 85

Tip to the server = 20% of the bill

2. What’s the tip?

20% = 0.2

Tip to the server = 0.2 * 85

<u>Tip to the server = 17</u>

3. What’s the total of the dinner?

Total of the dinner = Dinner bill + Tip to the server

Total of the dinner = 85 + 17

<u>Total of the dinner = 102</u>

5 0
4 years ago
Triangle ABC is an isosceles triangle.
Vlada [557]

Answer:

3. 110°

Step-by-step explanation:

8 0
3 years ago
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HELP ASAP
pantera1 [17]

Answer:

NO se sorry presta atención para que no andes preguntas

4 0
3 years ago
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