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skad [1K]
3 years ago
12

De la población de adultos en estados unidos, 36% tiene una alergia. una muestra de 1200 adultos seleccionados al azar resultó e

l 33.2% tienen algún tipo de alergia
1. Cuál es la población
2. Cuál es la muestra
3. Cuál es la variable ​
Mathematics
1 answer:
densk [106]3 years ago
4 0

Answer:

sorry I cant understand your question

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Evaluate the expression.<br><br> (1.5)2(1.5)<br> −2⋅(1.5)4
aleksklad [387]
Is this (1.5)2(1.5) / -2(1.5)4?  or is it (1.5)2(1.5) - 2(1.5)4?

First option:
4.5/-12 = -0.375

Second option
4.5-12 = -7.5
8 0
3 years ago
Please help me asap! I will give brainly!
NemiM [27]

Answer:

Figure 4 : 9 by 4 rectangle

17 red squares is figure 8

51 yellow squares

The pattern is +2 for the length, and the width stays the same. Hope this helped. :)

7 0
3 years ago
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Expand the following.<br> (3x + 2)2<br> A.9x2+6x+4<br> B.9x2+4<br> C.3x2+4<br> E.9x2+12x+4
PolarNik [594]

Step-by-step explanation:

E

working ;

(3x+2)^2

*Apply Perfect Square Formula : (a+b) =a^2+2ab+b^2

a = 3x,b = 2

(3x)^2 + 3x.2+2^2

finally Answer is:

= 9x^2 + 12x +4

5 0
2 years ago
Which answer is correct ? Please explain why !!
Arturiano [62]
C because there are 10 cents in a dime, and 5 cents in a nickel
3 0
3 years ago
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How many solutions are possible for a system of equations containing exactly one linear and one quadratic equation? (Select all
galina1969 [7]
Remember that a quadratic equation is a parabola. The equation is of the type y = Ax^2 + Bx + C


A linear equation is a straight line. The equation is of the type y = MX + N


The soluction of that system is Ax^2 + Bx + C = MX + N

=> Ax^2 + (B-M)x + (C-N) = 0


That is a quadratic equation.


A quadratic equation may have 0, 1 or 2 real solutions. Those are all the possibilitis.


So you must select 0, 1 and 2.


You can also get to that conclusion if you draw a parabola and figure out now many point of it you can intersect with a straight line.


You will realize that depending of the straight line position it can intersect the parabola in none point, or one point or two points.  
6 0
3 years ago
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