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soldi70 [24.7K]
3 years ago
10

Which of the given is the set of zeroes of the polynomial p(x)=2x3+x2-5x+2

Mathematics
2 answers:
velikii [3]3 years ago
6 0
-2, 1/2, 1



Simplify down all the way and get your answer



Mark brainliest please
solniwko [45]3 years ago
5 0

Answer:

<h2>x = 1, \frac{1}{2}, -2</h2>

Step-by-step explanation:

To find the roots (zeros), replace  y  with  0 and solve for  x .

Hope this helped. A brainliest would be very much appreciated. (I need 5 brainliest so I can level up) :)

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8. It took Sharon 85 minutes to wash three cars. She spent x minutes on each car and 10 minutes
Yuliya22 [10]

Answer:

c. 25 minutes

Step-by-step explanation:

3x + 10 = 85

3x = 85 - 10

3x = 75

x = 25

8 0
3 years ago
A bicycle lock has a four-digit code. The possible digits, 0 What is the probability that the lock code will begin with
nika2105 [10]

Answer:

0.1-0.6

Step-by-step explanation:

First let's find the number of the elements in the sample space, that is the total number of codes that can be produced.

The first digit is any of {0, 1, 2...,9}, that is 10 possibilities

the second digit is any of the remaining 9, after having picked one. 

and so on...

so in total there are 10*9*8*7 = 5040 codes.

a. What is the probability that the lock code will begin with 5?

Lets fix the first number as 5. Then there are 9 possibilities for the second digit, 8 for the third on and 7 for the last digit.

Thus, there are 1*9*8*7=504 codes which start with 5.

so 

P(first digit is five)=

b. What is the probability that the lock code will not contain the number 0? 

from the set {0, 1, 2...., } we exclude 0, and we are left with {1, 2, ...9}

from which we can form in total 9*8*7*6 codes which do not contain 0.

P(codes without 0)=n(codes without 0)/n(all codes)=(9*8*7*6)/(10*9*8*7)=6/10=0.6

Answer:

0.1 ; 0.6

8 0
3 years ago
Read 2 more answers
Subtract. (4/5p+1/2)-(1/4p-3) <br><br> A: 21/20p-5/2 <br><br> B: 1/5p-7/2 <br><br> C: 11/20p+7/2
Leto [7]

Answer:

A

Step-by-step explanation:

I think it's A because it mostly multiplies then adds and subtracts so you get your answer doing this

8 0
2 years ago
Machine A can produce 435 widget in 3 hours. At this rate how many widget can machine A produce in 7 hours?
Vesna [10]

Answer:

1015 widgets

Step-by-step explanation:

First investigate how many widgets can machine A produce in 1 hour:

If it produces 435 in 3 hours, then it will produce one third of that in one hour:

In ONE (1) hour \frac{435}{3} = 145 widgets

Therefore in seven (7) hours it will produce seven times the amount it does in one hour, that is:

145 * 7 = 1015 widgets

3 0
3 years ago
Read 2 more answers
Imagine the center of the Singapore Flyer ferris wheel is located at (0, 0) on a coordinate grid, and the radius lies on the x-a
stealth61 [152]

The equation of the circle is x² + y² = 25 and the transformation equation of the circle is x² + y² = 100.

<h3>What is the equation of the circle?</h3>

The following parameters are derived from the question:

(x - a)² + (y - b)² = r²

Center (a, b) = (0, 0)

Radius (r) = 5

Then the equation of the circle will be

x² + y² = 5²

x² + y² = 25

Then the transformation of the circle will be

Center (a, b) = (0, 0)

Radius (r) = 10

Then the equation of the circle will be

x² + y² = 10²

x² + y² = 100

More about the equation of circle link is given below.

brainly.com/question/10618691

#SPJ1

6 0
2 years ago
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