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melisa1 [442]
3 years ago
13

) Write an exponential decay equation with a rate of 25% and an initial value of 6.

Mathematics
1 answer:
Yuliya22 [10]3 years ago
5 0
Ye jsjsjsjsidi jd j sb end rn d end. She x Benz
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Solve the following system by the comparison method.
agasfer [191]

Answer:

2p + q = 1

9p + 3q + 3 = 0

q = 1 - 2p

replace q = 1 - 2p into 9p + 3q + 3 = 0

9p + 3(1 - 2p) + 3 = 0

9p + 3 - 6p + 3 = 0

3p + 6 =0

3p = -6

p = -2

q = 1 - 2p

q = 1 -2(-2)

q = 1 + 4

q = 5

(-2 , 5)

there for the answer would be

{(-2, 5)}

Hopefully this was helpful <3 :3

5 0
3 years ago
Let v represent the value of a bank acount, in thousands of dollars, t yearsaftertye account is opend at the bank
Liula [17]

Answer:

could you explain it more

Step-by-step explanation:

4 0
2 years ago
Multiply 8-2x/5* 45x^3+90^2/10x^2-20x-80
lys-0071 [83]

Answer:

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7 0
2 years ago
1
myrzilka [38]

Answer:

sorry I can't answer

Step-by-step explanation:

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4 0
3 years ago
Find the equation of the line through ( - 10, - 8) that is perpendicular to the line through (10,6), (5,5).
Furkat [3]

Answer:

y=-5x-58

Step-by-step explanation:

The equation of a line in slope-intercept form is y=mx+b where m is the slope and b is the y-intercept.

Perpendicular lines have opposite reciprocal slopes.

Anyways we need to find the slope of the line going through (10,6) and (5,5).

To find the slope, we are going to line up the points vertically and subtract vertically, then put 2nd difference over 1st difference. Like so:

 (  10   ,   6)

- (   5   ,   5)

------------------

    5         1

So the slope of the line through (10,6) and (5,5) is 1/5.

The slope of a line that is perpendicular will be the opposite reciprocal of 1/5.

The opposite reciprocal of 1/5 is -5.

The line we are looking for is y=-5x+b where we need to find the y-intercept b.

y=-5x+b goes through (-10,-8)

So we can use (x,y)=(-10,-8) to find b in y=-5x+b.

y=-5x+b with (x,y)=(-10,-8)

-8=-5(-10)+b

-8=50+b

Subtract 50 on both sides:

-8-50=b

-58=b

So the equation is y=-5x-58

4 0
3 years ago
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