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xeze [42]
3 years ago
11

Shannon participated in a national math contest by taking a math test. The test results followed a normal distribution with a me

an score of 72.6 points out of 100 and a standard deviation of 8.7. Shannon received a score of 81 points. Shannon thinks she performed better than 68% of the students in the contest
Mathematics
1 answer:
kondaur [170]3 years ago
6 0

Answer:

.

Step-by-step explanation:

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Can you help me please? ​
Anarel [89]

Answer:

C(x)=25x+6000

b=2250

Step-by-step explanation:

C(x)=mx+b

m-marginal cost

x-no items

finding B

C(x)mx+b

6000=25(130)+b

b=2250

General substitution

C(x)=25x+6000

8 0
2 years ago
A taxi travels 25 km east of airport. Then it travels from that point to a point that is 40 km west of the airport. Finally the
Marizza181 [45]
The answer is:  " 95 km " .
__________________________________________________
Explanation:
__________________________________________________

                                   ("airport")
                                           •     {Step 1):       " 25 km east "               •<span>  
                                           </span>│===============================>  <span>│

                           </span>•  {Step 2):       " 40 km west ["of that point"] " ;        •                                             │<==========================================│<span>  
             
                          </span>•  {Step 3:  [back to airport] = " (40 km − 25 km) " ;

                                            • ("airport").
                         │=======>│
<span> _________________________________________________
                          
<u> Note</u>:  To find "total distance traveled:

" 40 km +</span> (40 km) + (40 km <span>− 25 km) " ; 

= </span>" 40 km + (40 km) + (15 km) " ;

= " 40 km + 40 km + (15 km) " ;

= 80 km + 15 km  ;   

=  95 km .
____________________________________________________
<span>
The answer is:  " 95 km <span>" .
</span>____________________________________________________

</span>
4 0
3 years ago
An adult takes 400mg of vitamin c. Each hour, the amount of vitamin c in the person’s system decreases by about 29%. How much vi
nekit [7.7K]

Answer:

1

Step-by-step explanation:

5 0
3 years ago
Rewrite the expression that is equivalent to x^2/3.<br> -pasagot po please-.-
EastWind [94]

Answer:

\sqrt[3]{x^{2}}

Step-by-step explanation:

x^{2/3} = \sqrt[3]{x^{2}}

5 0
2 years ago
Simplify the product
andrezito [222]
Distribute the 8p to all of the numbers in the parenthesis. You would multiply the coefficient and add the exponents. The answer would be B.
6 0
3 years ago
Read 2 more answers
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