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barxatty [35]
3 years ago
11

I really really really need help

Mathematics
1 answer:
Akimi4 [234]3 years ago
8 0

So basically it seems that you can just give any value to a and b as long as the statement given is true. 4 & 5 can work for the part of the problem.

a = 4; b = 5

Plugged in:

4 + 1 = 5  (b > a; 5 > 4)

Therefore the statement is true. This is proof that it is.

Part B is asking when can the statement be false and what numbers prove that if possible.

It is possible for there to be values for a and b in which the relationship given turns false. For example, a = 4 and b = 3 makes the statement false since 4 + 1 doesn't equal 3 and 3 is not greater than its a-value of 4.

Hope this helps!

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Find the angle in the image.
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B) 67 degrees
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Suppose that E and F are two events and that P(E)=.8 and P(F/E)=.6 What is P(E and F)?​
jeka57 [31]

Lets turn E into x and F into y.

We already know that x is 0.8. And if y/x = 0.6, we have to figure that out.

y/x = 0.6

y/0.8 = 0.6

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So we have to find P(xy)

So if we know that x = 0.8 and y = 0.48 then all we have to do is multiply 0.48 and 0.8.

0.48 * 0.8 = 0.384

P(E and F) is 0.384.

⭐ Please consider brainliest! ⭐

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4 0
4 years ago
The cost of producing x units of a product is C dollars, where C is given by the function C = 0.25x2 - 80x + 30000. (See the gra
Nat2105 [25]
From calculus, to determine the maxima or minima of the graph, get the derivative of the equation and equate to zero. So, we derive first the equation of the graph and equate to zero.

C = 0.25x² - 80x + 30000
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The minimum cost (although not asked) is:

C = 0.25(160)² - 80(160) + 30000
C = $23,600

The answer is 160 units.
4 0
4 years ago
Joe bought 15 items for $135. If the 15 items consisted of notebooks that cost $4.50 each and calculators that cost $12.00 each,
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6 + c = 15

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6 0
2 years ago
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