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2 years ago

7

Jared had 5 chocolate bars left over from Halloween. During a party with 5 of his other friends, they shared the chocolate bars.

How much of a chocolate bar did Jared and each of his friends get to eat?

1 answer:

riadik2000 [5.3K]2 years ago

3 0

Answer:

1 for each friend

Step-by-step explanation:

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X+2y - 3z =15. 2x – 2z=6 x = 3. 2/3)-22 i dont know this answer pls help me???

kondor19780726 [428]

Answer(s):

Exact Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 3 2 3

Mixed Number Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 3 2 3

Improper Fraction Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 11 3

Decimal Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 3. ¯ 6

Hope this helps, have a nice day/night! :D

6 0

2 years ago

Find a such that the solution of y'' + y' − 2y = 0, y(0) = a, y' (0) = 1 tends to zero as t → +∞.

Kay [80]

Answer:

Step-by-step explanation:

$y'' + y' − 2y = 0, y(0) = a, y' (0) = 1$

Auxialary equation is

$m^2+m-2=0\\m=-2,1$

General solution is

$y=Ae^{-2x} +Be^x$

$y(0) = A+B =a$

$y'(0) = -2Ae^{2x} +Be^x = -2A+B = 1$

Eliminate B to get

3A =a-1

We know that y tends to 0 when x tends to infinity for any finite A

i.e. a should be a finite real number.

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3 years ago

Which equation represents the polynomial function with zeros –3, 1, and 2, and a y-intercept of –12?

storchak [24]

To generate the equation we set up the factors
(x+3) * (x-1) * (x-2) which equals
x^2 + 2x -3 * (x-2)
x^3 +2x^2 -3x -2x^2 -4x +6 equals
x^3 -3x -4x +6 which equals

x^3 -7x +6

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2 years ago

The graph of y=f(x) is shown on the grid.<br> Use the graph to workout and estimate for f(2.5)

Wewaii [24]

Check the picture below.

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1 year ago

J 4 + 14 = 18 j = what

aliya0001 [1]

Answer:

j = 1

Step-by-step explanation:

4j + 14 = 18j

subtract 4j from both sides

14 = 14j

divide 14 from both side

j = 1

3 0

2 years ago