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topjm [15]
3 years ago
10

Find a polynomial f(x) of degree 3 that has the following zeros.

Mathematics
1 answer:
OLga [1]3 years ago
3 0

Answer:

f(x) = x(x - 9)(x + 4)

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A detective has interviewed four witnesses to a crime. From the stories of the witnesses the detective has concluded
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Step 1:we should turn the “facts” into logical expressions.

Step 2:Assign variables

Our variables are: b (for butler), c (for cook), g (for gardener), h (for handyman)

Step 3 . Let the value of true indicate that the person is telling the truth. For example, b = T means the butler is telling the truth. Then we can translate the statements as follows:

Check attachment

Step 4

We know all of these must hold. So we really want to know when (b→c)∧¬(c∧g)∧¬(¬g∧¬h)∧(h → ¬c) is true.

Step 5

Behold, another truth table task! If you work out the truth table, you see that this statement is only true when:

Check attachment

Step 6

Therefore we can say the butler and cook are definitely lying, but we can not determine if the gardener or handyman are lying. However, there are four variables in this problem. Instead, we can do this with some straight reasoning. Notice that:

If the butler is telling the truth, then by (a) the cook is telling the truth.

If the cook is telling the truth, then by (b) the gardener is lying.

If the gardener is lying, then by (c) the handyman is telling the truth.

If the handyman is telling the truth, they by (d) the cook is lying.

This leads to a contradiction (the cook can not be both telling the truth and lying)! Therefore the butler and cook must be lying. What about the gardener and the handyman? We don’t have enough information to figure out if they are lying. Since the cook is lying, we can’t use (b) to come to any conclusions about the gardener. Even if we are able to conclude that the gardener is telling the truth, we can’t use (c) to come to any conclusions about the handyman.

4 0
2 years ago
I NEED THIS PLEASE EXPERS.
kipiarov [429]

Answer: The answer is 24 :)

Give brainlest if I’m right

7 0
2 years ago
Read 2 more answers
Help asap giving Brainlist!!!
Rzqust [24]

Answer:

1st question

A) no the table does not represent a linear function

B) the slope ( average rate of change)is 2

2nd question

A) yes the table represent a linear function

B) the slope( average rate of change) is 6

I hope u get what ur looking for and I wish u give me brainlist But I know u won’t bcz everyone say that . But thank you so much if u put for me and It would be a very appreciated from you and again thank you so much

Sincerely Caitlin ,

Thank you ☺️

5 0
3 years ago
If you rent a car for one day and drive it for 100 miles, the cost is $40.00. If you drive it 220 miles, the cost is $46.00.
attashe74 [19]

Now, if x = 300 miles, then

y= 1/20*300 + 35

y = 15 + 35

y = 50, therefore it would cost $50.00 to drive the rental car 300 miles.


7 0
3 years ago
What's the difference between 4.5 and -3.5​
suter [353]

Answer:

4.5 and -3.5 are different numbers for one then on is positive and one is negative

Step-by-step explanation:

4 0
3 years ago
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