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Ganezh [65]
3 years ago
7

PLEASE EXPLAIN: ASAP Express your answer in scientific notation 2.8*10^-3-0.00065=

Mathematics
1 answer:
Eduardwww [97]3 years ago
3 0

Answer:

2.15 * 10^-3

Step-by-step explanation:

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Find the pair of numbers whose sum is 46 and whose product is a maximum.
Vedmedyk [2.9K]
To solve this problem you must apply the proccedure shown below:

 1. Let's call:

 x the first number and and the other number 46-x

 2. Then, the product of both numbers is:

 y=x(46-x)

 3. When you apply the distributive property, you obtain:

 y=46x-x^2

 4. As you can see, the coefficient of x^2 is negative, this means that the maximun value is at the vertex of the parabola.

 5. Then, you have:

 h=-b/2a
 h=-46/2(-1)
 h=23   (x coordinate)

 6.Then:

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3 years ago
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Answer:

2x(x+3)(x-3)

Step-by-step explanation:

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Why is a larger down payment beneficial to a home investor?
Serjik [45]
I believe that would be C
4 0
3 years ago
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Consider the infinite geometric series ∑∞n=1−4(13)n−1
vodomira [7]

Answer:

See below

Step-by-step explanation:

-4 (1/3)^(n-1)

Part A

<em><u>For n = 1</u></em>

-4(1/3)^(1 - 1)

-4(1/3)^0    Anything to the 0 power (except 0) is 1

-4 (1)

-4

<em><u>n = 2</u></em>

-4(1/3)^(2 - 1)

-4*(1/3)^1

-4/3

<em><u>n = 3</u></em>

- 4(1/3)^2

-4/9

<em><u>n = 4</u></em>

-4/(1/3)^3

-4 / 27

Part B

The series converges.

1/3 is between -1 <= 1/3 <= 1

Part C

<em><u>Formula</u></em>

Sum = a/(1 - r)

a = - 4

r = 1/3

Sum = -4/(1 - 1/3) = -4//2/3 = - 4/(0.666666666...) = -6

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3 years ago
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Carlos finds the absolute value of -5.3, and then finds the opposite of his answer. Jason finds the opposite of -5.3 and then fi
polet [3.4K]
The absolute value is how far away a number is from the number line, so it is always positive. If Carlos finds the opposite of the absolute value, that means he found the negative version. So Jason's final value will be greater.
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