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Kisachek [45]
3 years ago
5

If Bart has 20$ and Andy took $19.65 how much does Bart have

Mathematics
1 answer:
Helen [10]3 years ago
8 0

Answer:

well bart has 20.00

andy took      19.65

Step-by-step explanation:

subtract 20.00\\-19.65\\\\_______\\0.35

your answer should be 0.35

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A rectangle has a height of 5x and a width of x + 2. Express the area of the entire rectangle.
o-na [289]
Rectangle Area = length • width

5x • (x + 2) = area

(5x^2 + 10x) is the area, with no further ways to simplify.
8 0
2 years ago
The sum of two consecutive integers is -15. Which equation could you use to find the two integers and what is the smaller intege
PtichkaEL [24]

Answer:

-8

Step-by-step explanation:

x+x+1= -15

2x+1=-15  (group the x's together)

2x= -14 (move the 1 to the right side)

x= -7

(-7)+(-8) = -15

-8 is the smaller integer

4 0
3 years ago
If 5y = 6x + 16 and 9x = 7y-20, what is the value of 3x - 2y?
Law Incorporation [45]

The value of 3x-2y is -4. From the equation 5y=6x=16 and 9x=7y-20 the values of (x,y) is (4,8).

Step-by-step explanation:

        The given equations are,

                 5y=6x+16.......................(1)

                 9x=7y-20......................(2)

                3x-2y...............................(3)

Step:1

    Modify the equations (1) and (2) in (x+y=constant) format,

                6x-5y=-16.....................(4)

                9x-7y=-20....................(5)

Step:2

     Equation (4) is multiplied by 7     ( ∵ 7×Eqn(4))

                42x-35y=-112..............(6)

Step:3

     Equation (5) is multiplied by 5     (∵ 5×Eqn(5))

               45x-35y=-100.............(7)

Step:4

    Subtracting Equation (6) and (7)

               42x-35y=-112

              45x-35y=-100

    ( - )

     (42x-45x)+(35y-35y)=(100-112)

     (-3x)+(0)=(-12)

    x=4

Step:5

    Substitute X value in Equation (1),

             5y=6x+16...................(1)

     where, x=4,

             5y= (6×4)+16

             5y=40

            y= 8

Step: 6

      Check for solution, substitute x and y values in equation (2).

                9x=7y-20.......................(2)

               (9×4)=(7×8)-20

              36=36

Step:7

      From given, 3x-2y

      where, X=4 and y=8

              3x-2y = (3×4)-(2×8)

                        = 12-16

            3x-2y = -4

Result:

      The value for 3x-2y is -4. The values of (x,y) are (4,8).

   

5 0
3 years ago
Read 2 more answers
I need help ASAP pls
ludmilkaskok [199]

Answer:

the way to find triangle is A=1/2

Step-by-step explanation:

3 0
2 years ago
A number decreased by the sum of the number and four<br> and please show the steps
FromTheMoon [43]

let the number be x.

a number decreased means

x-

and the sum of the number and 4 is

x+4

to put the expression together, we get. put them in parentheses

x - ( x+4 )

= x - x -4

= - 4

3 0
3 years ago
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