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never [62]
3 years ago
12

How many roots do the following equations have? -12x2 - 25x + 5 + x3 = 0

Mathematics
2 answers:
frozen [14]3 years ago
7 0
The answer issssss 3!!!!
Luden [163]3 years ago
3 0
Answer: <span>The equations have 3 roots.
x=-1.971, 0.184, and 13.787
Please, see the attached file.
Thanks.</span>

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50 POINTS! Show All Work!
olasank [31]

Let the number of chickens = c.

Let the number of pigs = p.

A chicken has 1 head and 2 legs.

c number of chickens have c heads and 2c legs.

A pig has 1 head and 4 legs.

p number of pigs have p heads and 4p legs.

There are 40 heads.

Equation for heads:

c + p = 40

There are 110 legs.

Equation for legs:

2c + 4p = 110

System of equations:

c + p = 40

2c + 4p = 110

Solve the first equation of the system of equations for c:

c = 40 - p

Substitute 40 - p for c in the second equation:

2c + 4p = 110

2(40 - p) + 4p = 110

80 - 2p + 4p = 110

80 + 2p = 110

2p = 30

p = 15

Now substitute p = 15 in the first equation to find c.

c + p = 40

c + 15 = 40

c = 25

There are 25 chickens and 15 pigs.

7 0
2 years ago
Read 2 more answers
Willis bought a gallon of paint. He painted a wall that is 9 ft high and 10 ft wide. Then he used the rest of the paint to paint
Tamiku [17]
The wall that is 9 ft by 10 ft is 90 square feet then add 46 square feet from the hall 
90 + 46 = 136

The answer is 136 square feet
6 0
3 years ago
How do you simplify (12xy)^2
Radda [10]
I believe your answer is 144x^2 y^2

3 0
2 years ago
Read 2 more answers
A jar contains only one blue tile, one green tile, one red tile, and one yellow tile. if a tile is chosen at random and then rep
MArishka [77]
Its 7 just had the test
7 0
2 years ago
Read 2 more answers
How would you solve this?
gulaghasi [49]

Answer:

Step-by-step explanation:

Find the slope = -2/1

Find the y-intercept = 5

Go to graph

put a dot at (0,5)

since it's a negative slope you will go up 2 and left 1

draw your line

_________________________________________________

Find the slope = 3/1

Find the y-intercept = 0

go to graph

Put a dot at (0,0)

Since it is a positive slope you will go down 3 and left 1.

To find the slope and y-intercept use this formula=

y=mx+b

m=slope

b=y-intercept

I'm sorry I don't know how to do a check equation for these.

3 0
3 years ago
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