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saul85 [17]
2 years ago
5

Heidi’s older sister needs to take either Chemistry (C), Geometry (G), or Physics (P) this year. She can take the class during a

ny one of six periods (1 through 6). Is there more than one way to draw a tree diagram to model this situation? Explain.
Mathematics
2 answers:
azamat2 years ago
7 0

Answer:

Yes. You can make a tree diagram with each subject at the top and the periods as the branches or with the periods at the top and each subject as a branch. Both ways provide the same number of​ outcomes, 18

Step-by-step explanation:

Anit [1.1K]2 years ago
4 0

Answer:

the answer from envisions (i did the assignment) is 12 and

Step-by-step explanation:

Yes. You can make a tree diagram with each subject at the top and the periods as the branches or with the periods at the top and each subject as a branch. Both ways provide the same number of​ outcomes, 12

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6 times a number is 27 less than the square of that number. Find the positive solution.
Sedaia [141]

Answer:

9

Step-by-step explanation:

6n = n² - 27

n² - 6n - 27 = 0

n² - 9n + 3n - 27 = 0

n(n - 9) + 3(n - 9) = 0

(n - 9)(n + 3) = 0

n = -3, 9

7 0
3 years ago
Nd the sales price of the following item. A camera originally costing $139.99, marked down $18.50
prisoha [69]
$139.99+ $18.50= $158.49
then you do...

$158.49 - $139.99 and your answer would be $18.50

hope this helped :)
alisa202
8 0
3 years ago
Read 2 more answers
The sum of all three numbers is 12. The sum of twice the first number, 4 times the second number, and 5 times the third number i
DaniilM [7]

Answer:

The numbers are 7, 4 and 1

Step-by-step explanation:

Let the numbers =x, y, z.

The sum of all three numbers is 12, x+y+z=12--------i

The sum of twice the first number, 4 times the second number, and 5 times the third number is 35, 2x+4y+5z=35-------ii

The difference between 8 times the first number and the second number is 52, 8x-y=52---------iii

Now, from (i),z =1-x-y--------iv

substitute (iv) in (ii),

2x+4y+5(12-x-y)=35

2x+4y+60-5x-5y=35

collect like terms

-3x-y=-25

that is, 3x-y=25--------v

solving (iii) and (v) simultaneously (add iii and v), we have

11x=77

divide both sides by 11 to obtain x=7

Put x=7 in (v)

3(7)+y=25

21+y=25

implies y=25-21=4

put x=7 and y=4 in (iv)

z=12-7-4=1

Hence, the numbers are 7, 4 and 1.

4 0
2 years ago
Describe how to find all the points on a baseball field that are equidistant from second base and third base
BlackZzzverrR [31]
This might help explain how to do a very similar problem.... http://www.mathopenref.com/constbisectline.html
8 0
3 years ago
Rosa can run 4 miles in 56 minutes.How many miles does rosa run if she runs 42 minutes?
Alex Ar [27]
Rosa runs 3 miles in 42 minutes.

I divided 42 by 56 to get the percentage that will be multiplied to 4 miles to get the number of miles Rosa runs in 42 minutes.

42 / 56 = 0.75 * 100% = 75%

75% * 4 miles = 3 miles.

3 miles within 42 minutes
6 0
3 years ago
Read 2 more answers
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