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nadya68 [22]
3 years ago
5

Solve the equation of y. 0.5 = 0.4y - 0.25x

Mathematics
2 answers:
nirvana33 [79]3 years ago
8 0
Add .25x to both sides to balance it out then divide by .4 the other side should be in fractio
Andreyy893 years ago
6 0

0.5 = 0.4y - 0.25x

Since we're solving for (y), we have to get that variable alone

0.5 = 0.4y - 0.25x

+ 0.25x     + 0.25x

So add the 0.25x on both sides

0.25x + 0.5 = 0.4y

-----------------   -------

      0.4            0.4

Then divide everything by 0.4

0.625x + 1.25 = y

That's your answer (this is slope-intercept form, y = mx + b)

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If a * b + 5 *a + 3 * b + 15= 24 and a+ 3 =6 then what is the value of a+b​
Semmy [17]

Answer:

a +b = 2

Step-by-step explanation:

a +3 = 6

    a = 6 -3

   a = 3

Plugin  a =3 in the equation,

a*b +5*a +3*b + 15 = 24

3b + 5*3 + 3b + 15 = 24

3b + 15  + 3b + 15 = 24      {combine like  terms}

3b + 3b + 15 + 15 = 24

             6b  + 30  = 24           {Subtract 30 from both sides}

                       6b = 24 -30

                      6b = -6               {divide both sides by 6}

                         b = -6/6

b = -1

a + b = 3 + ( -1)

         = 2

7 0
3 years ago
What is 25% as a fraction.
Vika [28.1K]
25\% \to \frac{25}{100}\to\boxed{\frac{1}{4}}
6 0
3 years ago
Read 2 more answers
|x+1| = 1/5x+1<br> .......................
Mademuasel [1]

Answer:

x=0, -5/3

Step-by-step explanation:

3 0
3 years ago
Please help me, i promise its worth it!!!
Rashid [163]

\\ \sf\longmapsto 2(L+B)=55

\\ \sf\longmapsto 2(\dfrac{4}{3}x+x)=55

\\ \sf\longmapsto \dfrac{8}{3}x+2x=55

\\ \sf\longmapsto \dfrac{8x+6x}{3}=55

\\ \sf\longmapsto \dfrac{14x}{3}=55

\\ \sf\longmapsto 14x=165

\\ \sf\longmapsto x=11.78

\\ \sf\longmapsto x\approx 12

Now

  • B=x=12
  • L=4/3(12)=4(4)=16
5 0
2 years ago
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PLS anwser this simple question
MakcuM [25]

Answer:

It's A) 2b+24x

Step-by-step explanation:

5 0
2 years ago
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