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Deffense [45]
3 years ago
10

Matt has $900 in a checking account, has $15,000 in investments, owns an

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
4 0

Answer:

40400

Step-by-step explanation:

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Solve the equation<br> 45 = 3(x + 1)
mamaluj [8]

Answer:

x = 14

Step-by-step explanation:

45 = 3(x + 1)

Distribute the 3

3(x) = 3x

3(1) = 3

We now have 45 = 3x + 3

Subtract 3 from both sides

45 - 3 = 42

3 - 3 cancels out

We now have 42 = 3x

Divide both sides by 3

42/3 = 14

3x / 3 = x

We're left with x = 14

4 0
2 years ago
Read 2 more answers
In 2.2, recall that on an open interval, the end points are not included in the interval. For example, the open interval (2, 4)
spayn [35]

9514 1404 393

Answer:

  it depends

Step-by-step explanation:

The ideas of "increasing" or "decreasing" have to do with the sign of the derivative of a function. The derivative of a function is a limit, which is only defined if the point can be approached from both sides. For a function that is only defined on an interval, the derivative is undefined (hence "increasing" or "decreasing" are undefined) at the end points of the interval.

When the function is defined on an interval, "increasing" or "decreasing" can only be determined on that open interval. There may also be critical points within an interval at which the derivative is either zero or undefined. Those points must also be excluded from any interval of "increasing" or "decreasing".

__

If a function is defined over a domain that extends beyond the interval of interest, then the derivative may very wll be defined a the end points of the interval of interest. As a simple example, consider a line with defined non-zero slope: y = kx, k≠0. For k>0, the line will be increasing everywhere. The slope is defined at the end points of any finite interval, so the function can be said to be "increasing" on the closed interval.

Similarly, if the (finite) interval of interest includes the vertex of a parabola defined for all real numbers, the function will be "increasing" on one side of the vertex, and "decreasing" on the other side. Both the "increasing" and "decreasing" intervals will be half-open intervals. The point at the vertex will not be included in either of them.

6 0
3 years ago
If there is 123 trees and 15% is you land how much is the rest
ira [324]
Well 15% of 123 is 18.45, so that's how much you own. 81.55% is the trees you don't own.
8 0
3 years ago
a woman spent two thirds of her money. she lost two thirds of the remiander and then had $4(aus money) left. how much money did
Dima020 [189]

Answer:

<h3>2/3 lost is 1/3 kept</h3>

<h3>2/3 of the 1/3 kept is 2/9 lost</h3>

  • 1/3 x - 2/9 x = 4

  • 3/9 x - 2/9 x = 4

  • 1/9 x = 4

  • x = 36

<h3>First she lost 2/3 of 36, which is 24. She had 12 left. Then she lost 2/3 of 12 which is 8. She had 4 left.</h3>

  • Hence she started with $36 .

Step-by-step explanation:

<h2>Hope this helps you !! </h2>

6 0
2 years ago
A 12 pack of juice costs $4.20. An 18 pack costs $5.40. Which is the better buy?
enot [183]

Answer:

the 12 pack is better because u get to pay less money

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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