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3 years ago

100 points and brainiest

Mathematics

2 answers:

larisa86 [58]3 years ago

6 0

Answer:

l-5l < l-6l

Step-by-step explanation:

the absolute will remove the negative of both numbers

faltersainse [42]3 years ago

6 0

Answer: |−5| < |−6|

Step-by-step explanation:

The function of the absolute symbol is to cancel out negative , considering the values one after the other.

/ - 6/ < 5 is the same as 6 < 5 ....... this is not true

(ii) /-6/ < /5/ is the same as 6 < 5 ..... this is not true

(iii) /-5/ < / -6/ is the same as 5 < 6 ...... this is true

(iv) /-5/ < -6 is the same as 5 < -6 ..... this is not true

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3 years ago

Solve for x symbolically. a. 2x-3 = 30

makkiz [27]

Answer:

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Step-by-step explanation:

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3 years ago

Solve this system of equations. x-y=2 2.5x + y =5

aev [14]

Answer:

x=2, y=0. (2, 0).

Step-by-step explanation:

x-y=2

2.5x+y=5

---------------

x=y+2

2.5(y+2)+y=5

2.5y+5+y=5

3.5y=5-5

3.5y=0

y=0/3.5

y=0

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5 0

3 years ago

Please help meeeeeeeeee

Svetradugi [14.3K]

Answer:

x = 27

Step-by-step explanation:

Since l, m, and n are cut across by the two transversal lines, therefore, the transversal lines are cut off proportionally.

This implies that:

6/x = 10/45

Cross multiply

x*10 = 45*6

10x = 270

10x/10 = 270/10

x = 27

3 0

3 years ago

Solve each system by elimination. Check the solution in both of the original equations.

elena55 [62]

Answer:

After finding the solution of given equations by elimination method

-3x-3y=12

-9x+3y=-24

we get the value of x=1 and y= -5

Step-by-step explanation:

$-3x-3y=12$ is eq A

$-9x+3y= -24$ is eq B

To find out value of x and y we will use elimination method

To find value of x add eq A and eq B

$(-3x-3y)+ (-9x+3y)= 12 + (-24)\\-3x-3y-9x+3y= 12-24\\-12x = -12\\dividing \,\,by -12\,\,on\,\, both\,\,sides\\\frac{-12x}{-12} = \frac{-12}{-12} \\x= 1$

Now to find value of y put x=1 in eq A

$(-3 \times 1 )- 3 y=12\\-3 -3y =12\\\\adding\,\,3\,\,on\,\, both\,\,sides\\-3y=12+3\\\\dividing\,\,-3\,\,on\,\,both\,\,sides\\y= \frac{15}{-3} \\y= -5$