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alexdok [17]
3 years ago
15

Can the quadratic polynomial x2+kx+k have equal zeroes for some odd integer k>1

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
7 0
No.
The only value that can be put in K that would have the same zeros would be 4 but 4 is not an odd integer. If there was an odd integer that the sum and product would be the same then it would lie on the x-axis. but only 4 fits the criteria.
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35x+10. How do I solve this?
kicyunya [14]

Hey there Bfarrar07 !

This is pretty simple when you think about it.

With algebra problems like this, you want to set it equal to zero.

So your first step is to take 35x + 10 and set it equal to zero.

35x + 10 = 0

Then bring the 10 to the other side by subtracting it, so you have something like this:

35x + 10 (-10) = -10 (Remember, what you do to one side you have to do to the other!) So when you take 10 from the left, you have to take ten from the right.

You now have 35x = -10

In order to get x by itself, you need to divide the problem by 35.

35x/35 = -10/35

On the left hand side, the 35's cancel out, so you're left with x.

And on the right hand side you have -10/35

So x = -10/35 (Don't forget to simplify!)

-10/35 can be reduced to -5/7

X = - 5/7

Hope this helps!

3 0
4 years ago
Dominic invited 50 friends online to play fortnite. Seven players decided to play after 8pm, nine before and the rest the same t
Anastaziya [24]

Answer:

68% of Dominics friends went on at the same time as him.

Step-by-step explanation:

50-7-4=34

34/50 =0.68 x 100 = 68%

6 0
3 years ago
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3(x 1) - 2x = -6 <br> a. x = 1 <br> b. x = 5 <br> c. x = -7 <br> d. x = -9
goblinko [34]
Your problem did not have an operator between the x and 1 so I did it as subtraction and addition. There was no answer choice -3 so D x=-9 is the answer

7 0
4 years ago
Can someone please help !!!!!!!!!!!!!!!!
Yuliya22 [10]

Answer:

u=10

Step-by-step explanation:

4 0
3 years ago
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joja [24]

Answer:

25

Step-by-step explanation:

11\% \: of \: 230 \\  \\  =  \frac{11}{100}  \times 230 \\  \\  = 0.11 \times 230 \\  \\  = 25.3 \\   = 25

Hence 11% represents 25 students.

5 0
3 years ago
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