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BartSMP [9]
3 years ago
5

Use numerals to write this number.

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0
The answer is c 3.409
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BRAINLIEST AWARD WILL BE GIVEN! PLEASE HELP WITH MATH IVE BEEN ASKING FOR HOURS! PLEASE ANYONE!!!
harina [27]
1. (x^2+1)*(x^3+2*x)*(x^2-64)
=(x^2+1)*x*(x^2+2)*(x+8)(x-8)
Solving for each factor in turn, for example, 
x^2+1=0 => x^2=-1 => x=+i, x=-i
x=0 => x=0
x^2+2=0 => x^2=2 => x=+sqrt(2)i, -sqrt(2)i
x+8=0 => x=-8
x-8=0 => x=+8
we have solution set
S, whereS={+i, -i, 0, +sqrt(2)i, -sqrt(2)i, -8, +8)

2. A.
x^4-81=0 => x^4=81 => x^2=+9 or x^2=-9
x^2=+9  => x=+3, -3
x^2=-9  => x=+3i, -3i
S={+3i, -3i, +3, -3}

B.
x^4+10x^2+25=0 => (x^2+5)^2=0 => ± (x^2+5)=0 => x^2=-5
=> x=+sqrt(5)i (multiplicity 2 and x=-sqrt(5)i (multiplicity 2)
S={+sqrt(5)i (multiplicity 2) -sqrt(5)i (multiplicity 2)}

C.
x^4-x^2-6=0 => (x^2-3)(x^2+2)=0 => x^2=3 or x^2=-2
S={+sqrt(2)i,-sqrt(2)i, +sqrt(3), -sqrt(3) }

3.
x^4+3x^2-4=0 = (x^2-1)(x^2+4) => x^2=1 or x^2=-4
S={+2i, -2i, +1, -1}
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What is the product of 2/3 and 1/5
garik1379 [7]
2/15
2 * 1 is 2
3 * 5 is 15
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What is a equivalent ratio of 4 : 2
Igoryamba
8:4 is the equivalent ratio
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3 years ago
Find area of this parallelogram
AleksandrR [38]

Answer:

168

Step-by-step explanation:

Mark as Brainliest

4 0
2 years ago
Read 2 more answers
el minutero de un reloj tiene 6 pulgadas de largo. ¿Qué distancia recorre la punta del minutero en 15 minutos?¿cuanto se mueves
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