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FinnZ [79.3K]
4 years ago
7

Simplify -5(20 + 3). 85 - 115 -97 -103

Mathematics
1 answer:
Alexxandr [17]4 years ago
4 0

Answer:

-115

Step-by-step explanation:

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there are 350 students at miller middle school 12/25 of the students are girls.how many students are boys
Mars2501 [29]
<span>There are 350 students at miller middle school. - it's 25/25
Girls - 12/25 </span><span>of the students
</span>This means that 25/25-12/25=13/25 <span>of the students</span> are boys.
350*13/25=182 students are boys.

5 0
4 years ago
Ramona reads 18 books from the library each month for y months in a row. Write an expression to show how many books Ramona read
Licemer1 [7]

Answer:

The answer to your question is:

Step-by-step explanation:

Data

Books read = 18

y = number of months

a ) Expression

                                  R(y) = 18 y

b) Number of books read after 10 months

     

                                R(10) = 18(10)

                               R(10) = 180 books

7 0
4 years ago
How do you find area of trapazoid
Afina-wow [57]

Answer: Area = a+b divided by 2 times h

Step-by-step explanation:

a = base

b= base

h = height

7 0
3 years ago
The mean of a data set is equal to 10 and its standard deviation is equal to 1. If we add 5 to each data value, then the mean an
andrey2020 [161]
Let
S = sum of the data values
n = number of data values

The mean M is equal to 
M = S/n
since you add up the values and divide by n. We don't need to know what S or n are. 

If we add 5 to each data value, then we're adding on n copies of 5, or 5n

The new mean N is

N = (S+5n)/(n)
N = (S/n) + (5n/n)
N = M + 5

The new mean is a result of taking the old mean M and adding on 5

So,
N = M+5
N = 10+5
N = 15

The standard deviation will remain the same because each data value hasn't moved in relation to one another. Every data value has been shifted up the same amount. For instance if A and B are two points in this data set, then A+5 and B+5 will be the same distance away. Apply this logic to any number of data values. While standard deviation isn't that simple, it still has a loose connection to "distance" of the values, or how spread out they are. 


So that's why the final answer is choice C)
5 0
3 years ago
Apply the distributive property to factor out the greatest common factor. 44h-33=
Flauer [41]

Answer:

11(4h-3)

Step-by-step explanation:

The greatest known common factor of 44h and 33 is 11. So using the distributive property, I got 11(4h-3)

8 0
4 years ago
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