Jermayne had 30 Apple he give 2/3 pf the apple to kath how many did he have left .

Mathematics

2 answers:

aleksklad [387]2 years ago

8 0

She gave 2/3 so she has 1-2/3=1/3 left.

that makes 30*1/3=30/3=10 apples left

balandron [24]2 years ago

6 0

30-2·30/3=
30-2·10=
30-20=

Answer:10 apples

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7x - y = - 1 + -7x + 3y = - 25

Fittoniya [83]

Hope this helps you out :D

It’s 2 equations so in order to solve the previous system, you can use different methods, as for example substitution or addition of equations. In this case, you use the second one, due to the fact you have 7x in one equation and -7x in the other equation. In this way you can easily eliminate variable x and then solve for y. With the value of y you can replace in any of the two equations and solve for x.

7x-y=-1
-7x+3y=-25

Summarizing, you proceed as follow:
- add up the given equations

7x - y = -1

-7x+3y=-25
——————
0 +2y=-26

- solve for y in the previous equation

2y=-26
y=-26/2
y=-13

- replace the obtained value of y in one of the given equations, and solve for x

7x-(-13)=-1

7x+13=-1

7x=-1-13

7x=-14

x=-14

x=-14/7

x=-2

Hence, the solution of the given systems of equation is:

X=-2

Y=-13

4 0

2 years ago

Using the numbers (8,8,4and5) one time and any of the math operations (+,-,x,and division) create the numbers 0,10,and 24

horrorfan [7]

Answer:

8 - 8 = 0 , 8 * 5 / 4 = 10 , 8 * 4 - 8 = 24

Step-by-step explanation:

8 - 8 = 0

8 * 5 = 40 / 4 = 10

8 * 4 = 32 - 8 = 24

3 0

2 years ago