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Alchen [17]
3 years ago
13

What value of y makes the equation true. y+2.9=11

Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0

Answer:

y = 8.1

Step-by-step explanation:

y+2.9=11

Subtract 2.9 from each side

y+2.9-2.9 = 11-2.9

y =8.1

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A group of people were asked which of three ice cream flavors they prefer. The results are shown in the table.
olchik [2.2K]

Using it's concept, it is found that the probability of a person being over 20 years old and preferring strawberry ice cream is of 12%.

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

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes.</u>

In this problem, there are 8 + 10 + 6 + 8 + 6 + 12 = 50 people, and of those, 6 are over 20 years old and prefer strawberry ice cream, hence the probability is given by:

p = 6/50 = 0.12 = 12%.

More can be learned about probabilities at brainly.com/question/14398287

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7 0
1 year ago
There are 1200 students at Sophie’s school. One student’s name will be drawn at random to win a new bike. What is the probabilit
yawa3891 [41]

Describe the sample space for this problem: 1200 students at a certain school, all with equal probability of being selected on a random draw.


Which outcome (or outcomes) of the sample space compose the event?

Sophie wins the bike. The chances that that will happen are 1/1200, or 0.00083...

8 0
3 years ago
Read 2 more answers
Which ordered pair would form a proportional relationship with the points in the graph? (4, 4) (6, 9) (9, 6) (8, 5)
Citrus2011 [14]

Answer:the answer is 9,6

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
-1y + 11= 20 what is the answer 3 or -3
yan [13]

Answer:

-9

Step-by-step explanation:

-1y+11=20

    -11= -11

-1y=20-11

-1y=9

-9

8 0
2 years ago
Read 2 more answers
A jar containing only nickels and dimes contains a total of 60 coins. The value of all the coins in the jar is $4.45. Solve by e
borishaifa [10]

Answer: 31 nickels and 29 dimes

<u>Step-by-step explanation:</u>

Nickels (.05): x

Dimes (.10): y


 Value:     .05x + .10y = 4.45 →  -20(.05x + .10y = 4.45)   →   -x - 2y = -89

Quantity:        x  +    y  = 60   →       1(x  +    y  = 60)           →   <u> x  + y </u> = <u> 60 </u>

                                                                                                       -y  = -29

                                                                                                        y  =  29

Next, substitute "29" for "y" into either equation and solve for "x":

x +  y  = 60

x + 29 = 60

x          = 31


5 0
3 years ago
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