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ziro4ka [17]
2 years ago
11

The revenue from selling x necklaces is r(x) =10x. The cost of buying x necklaces is c(x)=4x+15. The profit from selling x neckl

aces is p(x)=r(x)-c(x).
Mathematics
2 answers:
Cerrena [4.2K]2 years ago
7 0

Answer:

the revenue is 280 by 190

blondinia [14]2 years ago
5 0

Answer: 280 by 190 is the revenue, hope this helps

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Find the answer for x that makes this number sentence true: 2x + 9 > 11
Nana76 [90]

Answer:

2 x <u>2</u> + 9 > 11

2 x 2 = 4

4 + 9 = 13

13 > 11

Therefore, x = 2.

Step-by-step explanation:

I hope this helps! ^w^

3 0
2 years ago
What is the area of this figure?? PLEASE HELP
diamong [38]

Answer:

1410ft²

Step-by-step explanation:

20 * 12 * 2 + [62 * (15 + 12)] =

480 + (62 * 15) =

480 + 930 =

1410ft²

8 0
2 years ago
In a study of 225 adults, the mean heart rate was 72 beats per minute. Assume the population of heart rates is known to be appro
Aleonysh [2.5K]
<span> The lower and upper bounds of the confidence intervals must be equally distanced from the mean 
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</span><span>70.9 - 73.1 
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3 0
3 years ago
Read 2 more answers
Tickets to a school basketball game cost $4 for students and $7 for adults. At the end of the night, 168 tickets are sold for a
stepan [7]
4s+7a=861
s+a=168

This can be solved using either elimination or substitution. I am going to use substitution.

Solve s+a=168 for s
s=168-a

Replace 168-a for s in 4s+7a=861
4(168-a)+7a=861
672-4a+7a=861

Solve for a
672+3a=861
3a=189
a=63

Substitute 63 for a in s=168-a
s=168-63=105

So, s=105 student tickets and a=63 adult tickets
3 0
3 years ago
Sam and Hector are gaining weight for football season. Sam weighs 205 pounds and is gaining two pounds per
Mademuasel [1]

Answer:

10 weeks

Step-by-step explanation:

205+2t=195+3t

      -2t         -2t

205=195+t

-195 -195

10=t

3 0
3 years ago
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