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3 years ago

The polynomial p(x)=(3-2x)(x^2-5) is graphed in a coordinate plane. Which statement about the graph is correct?

Mathematics

1 answer:

satela [25.4K]3 years ago

7 0

Answer:

0 = (3-2x) x (x x 2 -5)

(3-2x) x ( x x 2 - 5) = 0

(3-2x) x (2x - 5) = 0

3 - 2x = 0

2x - 5 = 0

x = 3/2

x = 5/2

x1 = 3/2 or x2 = 5/2

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A man can take a same time to row 13km downstream and 7km upstream.His speed in still water is 5km/hr.The speed of stream is

vekshin1

Answer:

0.6 km/hr

Step-by-step explanation:

Speed downstream: 13/5= 2.6 km/hr

Speed upstream: 7/5= 1.4 km/hr

Therefore, Velocity of current is: 1/2 (2.6-1.4) km/hr = 1/2(1.2) km/hr

8 0

1 year ago

Solve the following system of equations. Show all work and solutions.

Hitman42 [59]

y=2x²+6x+1
y=-4x²+1

Make the equations equal and solve for x

2x²+6x+1=-4x²+1
6x²+6x=0
6x(x+1)=0
6x=0 or x+1=0
x=0 or x=-1

For x=0

y=-4(0)+1=1

For x=-1

y=-4(1)+1=-3

The solutions are

(0,1) and (-1,-3)

Graph attached

4 0

2 years ago

Please helpppp i don’t understand

atroni [7]

Answer:

Think the answer will just be 5

Step-by-step explanation:

I don't use step by step so yeah

5 0

2 years ago

Find the values of x and y

pantera1 [17]

Answer:

x = 15°

y = 59°

Step-by-step explanation:

Angles at a right angle add up to 90°

41 + y = 90

y = 90 - 41

y = 59°

Angles in a triangle add up to 180°

41 + (2x - 9) + 7x + 13 = 180

41 + 13 - 9 + 2x + 7x = 180

45 + 9x = 180

9x = 180 - 45

9x = 135

x = 135/9

x = 15°

6 0

3 years ago

Read 2 more answers

I am a real number

Elden [556K]

Answer:Any number less than -13.

Step-by-step explanation:

If the number is real and rational and non-natural, this means that it can be any number in the negative number space.

Additionally, since the number has to be less than -13, then the number could be any number less than -13.

With all these things considered, the number is any number less than -13 that is real and rational.

Cheers.

5 0

3 years ago