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2 years ago

9

The ratio of Aspens to Ponderosa Pines in a part of a forest is 12 to 16. If there are 12 Ponderosa Pines, how many Aspens are t

here?

1 answer:

Romashka-Z-Leto [24]2 years ago

8 0

Is this the same question from the other one.

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Sum of positive roots of the equation (x2 - 12x + 35) (x2 + 10x + 24) = 504 is

Digiron [165]

Answer:

(3)11

Step-by-step explanation:

We are given that

$(x^2-12x+35)(x^2+10x+24)=504$

We have to find the sum of positive roots of the equation.

$x^2(x^2+10x+24)-12x(x^2+10x+24)+35(x^2+10x+24)=504$

$x^4+10x^3+24x^2-12x^3-120x^2-288x+35x^2+350x+840=504$

$x^4-2x^3-61x^2+62x+840-504=0$

$x^4-2x^3-61x^2+62x+336=0$

Factor of 336

2,3,4,6,8,7,

Let x=2

$2^4-2^4-61(2^2)+62(2)+336\neq0$

x=2 is not the root of equation

x=-2

$(-2)^4-2(-2)^3-61(-2)^2+62(-2)+336=0$

Hence x=-2 is the root of equation.

x+2 is a factor of equation.

x=3

$3^4-2(3^3)-61(3^2)+62(3)+336=0$

Therefore, x=3 is the root of equation.

$(x+2)(x-3)(x^2-x-56)=0$

$(x+2)(x-3)(x^2-8x+7x-56)=0$

$(x+2)(x-3)(x(x-8)+7(x-8))=0$

$(x+2)(x-3)(x-8)(x+7)=0$

$x-8=0\implies x=8$

$x+7=0\implies x=-7$

Positive roots are 3 and 8

Sum of positive roots=3+8=11

Option (3) is true.

4 0

2 years ago

At an animal shelter there are 15 dogs 12 cats 3 snakes and 5 parakeets which animal has 80% of the number of another animal

Tomtit [17]

12 times 100 divided by 15 equals 80
So the answer is cats

3 0

2 years ago

I just need to know if it’s a b c or d please and thx u

vagabundo [1.1K]

Answer:

i think its B

Step-by-step explanation:

sorry if its wrong have a good day/night ;)

7 0

2 years ago

Simplify y -2/ 3y4<br> help me please!

adell [148]

Answer:

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Undo the half of what was left amount. Multiply 2

34kurt

Answer:

the three numbers below are your answers. (in order)

Step-by-step explanation:

$2*2=4\\4+5=9\\9+8=17$

6 0

2 years ago