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tresset_1 [31]
3 years ago
15

What are the primary factorization of these following numbers : 90,86,25,68,97

Mathematics
1 answer:
wel3 years ago
7 0
If u can message me on my profile, I can help you
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There are 30 students in a class that took a test. The average grade of 10 students was 80. The other 20 students average was 89
Vsevolod [243]
10 students averaged 80, so the sum of their scores was (10 x 80) = 800

20 students averaged 89, so the sum of their scores was (20 x 89) = 1,780

All together, the sum of all 30 scores was (800 + 1,780) = 2,580

30 students totaled 2,580, so their average was  (2,580 / 30)  = <em> 86</em> .
6 0
3 years ago
Heather, Eric, and Chang sent a total of 116 text messages over their cell phones during the weekend. Chang sent 3 times as many
notka56 [123]

Answer:

Step-by-step explanation:

Declaration

Let Heather's number of messages = x

Let Eric's number of messages = x + 9

Let Chang's number of messages = 3(x +9)

Equation

x + x + 9 + 3(x + 9) = 116    

Solution

x + x + 9 + 3(x + 9) = 116                             Remove the brackets

x + x + 9 + 3x + 27 = 116                             Combine like terms

x + x + 3x + 9 + 27 = 116

5x + 36 = 116                                               Subtract 36 from both sides

5x + 36 - 36 = 116 - 36                                Combine

5x = 80                                                       Divide both sides by 5

5x/5 = 80/5

x = 16

Answer

Heather = 16

Eric = 16 + 9 = 25

Chang = 3*25 = 75

5 0
2 years ago
How do I evaluate the expression -(p+q)2 /(-6) for p=2 andq=4
Dimas [21]
Plug in the values of p and q where you see them in the equation:

-(2+4)2 / (-6) - Distribute the -1 
(-2-4)2 / (-6) -  Distribute the 2
(-4-8) / (-6) - Subtract what's inside the parenthesis
(-12) / (-6) - Divide
The answer is 2
3 0
3 years ago
Can someone help ASAP
Klio2033 [76]
The +2 goes on the Y-Axis… From
the 2 count up 3 times and go to the right 2 times
7 0
3 years ago
What forms of measurement of length, width, height, and distance are forms of what measurement?
Katen [24]
The length, width, and height In the most common contexts in elementary school, mathematics does not have a formal definition for these terms, nor does it have rules about "proper" use.
8 0
3 years ago
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