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Maslowich
3 years ago
12

HELP I NEED THIS ANSWERED

Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0

-2xy-1 not equivalent
16x+14y-1 not equivalent
2x-18x+14y-19 not equivalent
-16x+14y-1. Equivalent and simplified fully
9-16x+14y-10. Equivalent but not simplified fully
2x-18x+14y-1. Equivalent but not simplified fully
chubhunter [2.5K]3 years ago
4 0
Let me look at this hmm OK so they want each square to fit in the bottom boxes right
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2) There are 40 boys and 60 girls in a class of students. What is the ratio of girls to students
ra1l [238]

Answer:

60:100, 6/10, 3/5, 6 to 10, etc.

Step-by-step explanation:

You take the number of girls over total students which is boys + girls. Since there's 40 boys and 60 girls, it's 60 girls to 100 students which can be written in several ways.

8 0
2 years ago
Read 2 more answers
(A)+(B)=8 I need help for this question please, and thanks. :) 10 pts!!
Monica [59]
You haven't included enough information for the question, but assuming that a and b are the same then a is 4 and b is 4
7 0
3 years ago
Help me with this exercise
Vinil7 [7]
<em>The answer you are looking for is: </em>
<em><u>270 yards^{2} </u></em>
<em><u>15*18= 270 </u></em>
<em><u>And you have to add the yard square at the end. </u></em>
<em>Hope that helps!! </em>
<em>Have a wonderful day!!</em><span />
6 0
3 years ago
Given triangle ABC with sides AB = 3x + 4 , BC = 2x + 5 , and AC = 4x , determine the values of x such that triangle ABC exists
Jlenok [28]

Answer:

  x > 1/5

Step-by-step explanation:

All of these three triangle inequalities must be satisfied:

  AB +BC > AC

  BC +CA > BA

  CA +AB > CB

___

Taking these one at a time, we have ...

  AB +BC > AC

  3x +4 + 2x +5 > 4x

  x +9 > 0 . . . . . subtract 4x

  x > -9

__

  BC +CA > BA

  2x +5 + 4x > 3x +4

  3x > -1 . . . . . . subtract 3x+5

  x > -1/3 . . . . . divide by 3

__

  CA + AB > CB

  4x + 3x +4 > 2x +5

  5x > 1 . . . . . . subtract 2x+4

  x > 1/5

___

The only values of x that satisfy all of these inequalities are those such that ...

  x > 1/5

8 0
3 years ago
Plz plz plz plz plz plz plz plz plz plz
Karo-lina-s [1.5K]
12 girls for every 5 boys
boys is second so it shouldb be indenomenaotr (bottom)

girls/boys

12girls/5boys=2.4girls/boy

answer is B

6 0
3 years ago
Read 2 more answers
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