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morpeh [17]
2 years ago
12

There are 120 boys in Morris middle school. What is the total number

Mathematics
2 answers:
AnnZ [28]2 years ago
8 0

Answer:

121

Step-by-step explanation:

trust me i got you wuth that 2016 throwback

sdas [7]2 years ago
8 0
The total number of students
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Solve the given inequality. Describe the solution set using the set-builder or interval notation. Then, graph the solution set o
Korolek [52]

Answer:

B

Step-by-step explanation:

10(10m+6)<=12        

100m+60<=12       Distributive Property

100m     <=12-60

100m    <=-48

     m    <=-48/100

     m    <=-.48

This says values for m that are less than or equal to -.48

-.48 is between -1 and 0 so the answer is B

6 0
3 years ago
Read 2 more answers
What are the solution(s) of –x2 + 2x + 3 = x2 – 2x + 3?
Leviafan [203]
-x^2+2x+3=x^2-2x+3  add x^2 to both sides

2x+3=2x^2-2x+3  subtract 2x from both sides

3=2x^2-4x+3  subtract 3 from both sides

2x^2-4x=0  factor

2x(x-2)=0

So x=0 and 2
3 0
3 years ago
Read 2 more answers
How do you do series with an n
SOVA2 [1]
The problem can be solved step by step, if we know certain basic rules of summation.  Following rules assume summation limits are identical.
\sum{a+b}=\sum{a}+\sum{b}
\sum{kx}=k\sum{x}
\sum_{r=1}^n{1}=n
\sum_{r=1}^n{r}=n(n+1)/2

Armed with the above rules, we can split up the summation into simple terms:
\sum_{r=1}^n{40r-21n+8}=n
=40\sum_{r=1}^n{r}-21n\sum_{r=1}^n{1}+8\sum_{r=1}^n{1}
=40\frac{n(n+1)}{2}-21n^2+8n
=20n(n+1)-21n^2+8n
=28n-n^2

=> (a) f(x)=28n-n^2
=> f'(x)=28-2n 
=> at f'(x)=0 => x=14
Since f''(x)=-2 <0  therefore f(14) is a maximum
(b) f(x) is a maximum when n=14

(c) the maximum value of f(x) is f(14)=196
4 0
2 years ago
The length of the remote car is 8 1/2 inches to nearest half inch and 8 1/4 to the nearest quarter inch. Which measurement is mo
dangina [55]

Answer:

Step-by-step explanation:

3 0
2 years ago
Multiply and place the decimal point in the products<br><br> ‐2.4 x ‐6. 1
11Alexandr11 [23.1K]

Answer:

14.64

Step-by-step explanation:

A negative times a negative equals a positive and there are 2 decimal places.

8 0
3 years ago
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