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Lady_Fox [76]
3 years ago
9

Solve for r. This is for combinations and permutations.

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0

Answer:

I'm guessing it could be B or D...I'm not 100% sure.

Step-by-step explanation:

It could be B because 5 can divide 45

It could be D because they are both even numbers.

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Liz walks 1/2 mile in 20 minutes on Monday and 3 3/4 in 150 minutes on Sunday is this proportional or non -proportional
ratelena [41]

Answer:

non proportional

Step-by-step explanation:

1/2 doesnt go into 3/4 and 20 doesnt go into 150

4 0
3 years ago
Read 2 more answers
You are selling tickets for the school play "13". Student tickets cost $4 and general admission tickets cost $6. You sell 525 ti
Scilla [17]

Answer:

Step-by-step explanation:

s= student ticket

g= general admisson ticket

4s+6g=2876

s+g=525

4s+6g=2876

-4s-4g=-2100

add both equations

2g=776

g=388

s+g=525

s+388=525

s=137

6 0
3 years ago
Three waiters at a local restaurant earned different amounts of money the past week. Jennifer earned $40 less than twice the amo
Nataly_w [17]
Let x be the amount earned by Tony. With this representation, Jennifer earned 2x - 40 and Chris earned x + 60. The amounts they earned should sum up to 900. The equation is,
                                  x + (2x - 40) + (x + 60) = 900
The value of x is 220. Therefore, Tony earned $220. Jennifer and Chris earned $400 and $280, respectively. 
8 0
4 years ago
What is the answer to -3(1+6r)=14-r
Ilia_Sergeevich [38]
<span>-3(1+6r)=14-r
-3 - 18r = 14 - r ...expand by using distributive property
-3 -17r = 14 ...add (r) to both sides
-17r = 17 ...add (3) to both sides
     r = -1 ....divide both sides by (-17)</span>
5 0
3 years ago
Read 2 more answers
What is the area of the circle when the diameter is 2
mel-nik [20]

Answer:

3.14

Step-by-step explanation:

because its diameter that is 2, you divide it in half which should be one, that will be the radius. to get the area from the radius you multiply it by its self and multiply that by 3.14 which is the circumference of a circle.

7 0
4 years ago
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