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ankoles [38]
3 years ago
9

Sarah’s neighbor offers to pay her $5 for every shark tooth she finds on the beach. After collecting only three shark’s teeth, S

arah decides to share the opportunity with her friend John. Sarah can find shark teeth twice as fast as John, but she can earn even more money with his help.
Sarah can use the expression 5(2j + 3 + j) to represent the amount of money she can earn.

others had no helpful answers,, ##
Mathematics
2 answers:
Vaselesa [24]3 years ago
4 0

Answer:

=15j+15

Step-by-step explanation:

blsea [12.9K]3 years ago
4 0

Answer:

Here are some expressions you could use!

<em>15j + 15</em>

<em>or</em>

<em>5(2j + 3 + j)</em>

<em>or</em>

<em>25(10j + 18 + 5j)</em>

<em>or</em>

<em>4(5j + 8 + 4j)</em>

<em>or</em>

<em>10(4j + 6 + 2j)</em>

All of these are right you can choose which one to use! 25(10j + 18 + 5j) is the easiest one to solve in my opinion.

<u><em>~ LadyBrain</em></u>

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I don't know how to answer the top two and I don't know if the bottom one is correct, help me please
Tpy6a [65]
1) How many 3/4 does it take to make 9/2?


     Now look at this, 3/4 x 6 = 4 1/2.  4 1/2 is the same as 9/2


   3/4 + 3/4 + 3/4 + 3/4 + 3/4 + 3/4 ---> takes 6, 3/4's to make 9/2

2)  How many 3/4's go into 9/2?


    This is the same question as the 1st one so the answer is 6 :)


3)  9/2 divided by 3/4 = ??


         Use the KEEP< CHANGE< FLIP method, so it turns into  I
                                                                                                    I
                                                                                                    I
                                                                                                    I
      9/2 x 4/3                       < -------------------------------------          I


  This is equal to 36/6 which is 6 :)


The answer is 6 for numbers 1, 2, and 3 :)
6 0
3 years ago
There is something that, although it belongs to you, people always use it more than you. What is it?
Mrrafil [7]

Answer:

Your name is the answer to the riddle.

8 0
2 years ago
In a group of 42 students, 9 study both Art and Biology.
LUCKY_DIMON [66]
Answer:
The probability the student studies Art and
Biology is 0.2143.
Step-by-step explanation:
Denote the events as follows:
A = a students studies Art
B= a students studies Biology
The information provided is:
N = 42
n (An B) = 9
n (A' n B) = 10
n (A' n B') =7
Then the number of students who study Art
but not Biology is:
n(An B') = N -n (An B) -n (A' nB) - n (A'n B')
= 42 - 10 - 7 - 9
= 16
The number of students who study Art but
not Biology is 16.
Compute the probability the student studies
Art and Biology as follows:
P(ANB)
n(ANB)
= 0.2143
Thus, the probability the student studies Art
and Biology is 0.2143.
3 0
2 years ago
PLEASE HELP Find the product. (a²b³)⁴​
cluponka [151]

Answer:

a^8b^{12}

Step-by-step explanation:

when you raise an exponent to a power you multiply

Also since the terms inside the parenthesis are multiplied and not added, you don't have to worry about expanding it

(a^2b^3)^4 = a^{2*4}b^{3*4}=a^8b^{12}

8 0
3 years ago
Read 2 more answers
Janice is considering two restaurants for a party. The first restaurant charges $15 per person plus a flat rate of $175 to reser
yan [13]

Answer:

The answer is 15x + 175 = 9x + 329.

Step-by-step explanation:

Hope this helps!

6 0
3 years ago
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