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Evgen [1.6K]
4 years ago
14

Help!! help on 33 please .

Mathematics
1 answer:
oksian1 [2.3K]4 years ago
5 0
Description: They didn't distribute the 3 to both x and 5, so they just had 3x+5.
actual problem:
3(x+5)=3x+15
3x+15=3x+15
subtract 3x from both sides and end up with
15=15

Correct Answer: 15=15
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Can someone plz help me with problems 1-6
just olya [345]
I can't tell you the answers cause that's cheating but I can explain how to do it.
Let's use number 1 for an example.  It says 1/2 x 2 1/3.  First what we want to do is turn all mixed numbers into fractions.  So how to do that is take the whole number, in this case 2, and multiply it by the denominator, which in this case is 3.  The answer you will get is 6.  Then you have to add the numerator onto that, which means 6 + 1 = 7.  So now the equation is 1/2 + 7/3.  Now you can just multiply both numerators and denominators, so 1 x 7 and 2 x 3, and you will get 7/6, which can be converted to 1 1/6.  Apply this method to any of those problems.

Hope this helped!
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5 hours and 25 minutes I think (Im not sure)

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What is the formula of simple interest?​
Annette [7]

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simple interest = principle*rate*time

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4 years ago
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Solve for kkk. \dfrac{k}4+ 3= 14 4 k ​ +3=14
masha68 [24]

Answer: k=1

Step-by-step explanation:

Simplify   1/k

    3     2         1

 (((—+2)-(—•k))-4)-(—-2)  = 0

    k     k         k

2.1   Subtracting a whole from a fraction

      2     2 • k

   2 =  —  =  —————

        1       k  

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

1 - (2 • k)     1 - 2k

———————————  =  ——————

     k            k  

Simplify  2/k

 3     2        (1-2k)

 (((—+2)-(—•k))-4)-——————  = 0

    k     k          k  

Simplify 3/k

  3     2        (1-2k)

 (((—+2)-(—•k))-4)-——————  = 0

    k     k          k  

5.1   Adding a whole to a fraction

 3                      (1 - 2k)

 (((— +  2) -  2) -  4) -  ————————  = 0

    k                         k    

6.1   Subtracting a whole from a fraction

        2     2 • k

   2 =  —  =  —————

        1       k  

7.1   Subtracting a whole from a fraction

3 + 2 • k     2k + 3

—————————  =  ——————

    k           k  

8.1       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

        2     2 • k

   2 =  —  =  —————

        1       k  

9.1     Pull out like factors :

  2 - 2k  =   -2 • (k - 1)

10.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

 -2•(k-1)

 ———————— • k = 0 • k

    k    

Now, on the left hand side, the  k  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  -2  •  (k-1)  = 0

Equations which are never true:

10.2      Solve :    -2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

10.3      Solve  :    k-1 = 0

Add  1  to both sides of the equation :

                     k = 1

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Answer:

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Step-by-step explanation:

Because 300m - 175m

= 125m

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