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3 years ago

Find all zerosf(x)=x^4+6x^3+173x^2+332x+164

Mathematics

1 answer:

zheka24 [161]3 years ago

6 0

The zeros are (-1,0)

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The merry-go-round in the elementary playground can hold no more than 12 students at a time. Write the inequality for this scena

gulaghasi [49]

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3 0

3 years ago

What is one of the solutions to the following system of equations?

Amanda [17]

Answer:

(8,-1)

Step-by-step explanation:

Given : $x^{2} +y^{2} =65$

$x+y=7$

To Find: solution of given system of equations.

Solution:

Equation a : $x^{2} +y^{2} =65$

Equation b : $x+y=7$

Substitute the value of y from equation b in equation a

y from equation b : y = 7-x

Now substitute value of y in equation a

Thus equation a becomes:

$x^{2} +(7-x)^{2} =65$

$x^{2} +49+x^{2}-14x =65$

$2x^{2} -14x =65-49$

$x^{2} -7x -8=0$

$x^{2} -8x+x -8=0$

$x(x-8)+1(x-8)=0$

$(x+1)(x-8)=0$

⇒ x= -1 and x = 8

Now substitute values of x in equation b to obtains values of y

⇒ $x+y=7$

for x = -1

⇒ $-1+y=7$

⇒ $y=7+1$

⇒ $y=8$

Thus (x,y)=(-1,8)

For x =8

⇒ $8+y=7$

⇒ $y=7-8$

⇒ $y=-1$

Thus (x,y)=(8,-1)

Hence Option A is the correct solution .

6 0

3 years ago

Read 2 more answers

Please help. Use your calculator to work out. (:

Lisa [10]

Answer:

83.6155156

Step-by-step explanation:

$\frac{ {16}^{2} - 17 }{ \sqrt{2.3 + 5.87} } \\ \\ = \frac{ 256 - 17 }{ \sqrt{8.17} } \\ \\ = \frac{ 239}{2.85832119 } \\ \\ = 83.6155156 \\$

5 0

3 years ago

PLS HELP BEST AWNSER GETS BRAIN THINGY

V125BC [204]

Answer

I think its C which is 112

4 0

2 years ago

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A gallon of paint can cover 400 square feet. To the nearest half gallon, find how much paint will be needed to paint two coats o

nlexa [21]

I think that this is right, but I assumed that the ceiling has the same dimensions as the wall you would need 4 gallons for 2 coats.
Work:
20x8= 160 (square feet for 1 wall)
160x5=800 (i assumed there are 4 walls and 1 ceiling)
800x2=1600 (you need 2 coats)
1600/400=4 (each gallon includes 400 square feet)

3 0

3 years ago

Find all zerosf(x)=x^4+6x^3+173x^2+332x+164​

Find all zerosf(x)=x^4+6x^3+173x^2+332x+164