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strojnjashka [21]
3 years ago
10

Identify the number as real, complex, pure imaginary, or nonreal complex. (More than one of these descriptions may apply.) -9i

Mathematics
1 answer:
Agata [3.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

Me no hablas Inglish sorry pal

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what are the domain and range of the function f(x) = 4(3 square root 81)^x?{x| x is a real number}; {y| y > 0}{x| x > 4};
Lubov Fominskaja [6]

we are given

f(x)=4(3\sqrt{81} )^x

Domain:

we know that domain is all possible values of x for which any function is defined

Here , since, x is only exponent

so, we can take any values of x

it will be defined for all values of x

so, domain is all real numbers

{x | x is a real number}

Range:

we know that

range is all possible values of f(x) or y

Since, there is no negative sign here

so, f(x) will always be positive and greater than 0

so, range is y>0

7 0
4 years ago
Read 2 more answers
Yesterday, the price of a loaf of bread at five supermarkets was $1.54, $1.69, $1.79, $1.57, $1.71, but today each supermarket r
Svetllana [295]
D not sure though......
4 0
3 years ago
PLEASE HELP!!! Write the equation of the line that is perpendicular to y = -3/2x + 1 and passes through (0,-4), please show me s
Y_Kistochka [10]

Answer:

find a slope first of the equation given and then find the second slope by using the formula of perpendicular then find equation of the line by taking the second slope with the point give(0, -4)

4 0
3 years ago
Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (-12, 5), (-5, 12) (-12, 5), (12, -5) (-12, 5),
miskamm [114]

Answer:

  (-12, 5), (12, -5)

Step-by-step explanation:

Reflection across the origin is the transformation ...

   (x, y) ⇒ (-x, -y)

Look for coordinates that are the opposites of their counterparts. You will find the appropriate answer choice is ...

  (-12, 5), (12, -5)

7 0
4 years ago
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At a soccer match , 60% of the spectators are men and the rest are women and children .The number of children is 2/3 of the wome
Aneli [31]

Answer:

Step-by-step explanation:

We need a series of equations to be able to sub back and forth into one another in order to get this down to one variable, s for spectators.  This is what we know from the info (in algebraic expression/equation form):

.6s = men (60% of the spectators are men)

.4s = women + children (40% of the spectators are women and children)

# of children = 2/3 women

# of men = women + 252 (There are 252 more men than women) and

# women = men - 252

Those are the equations we need to solve for the number of spectators.

Start at the top with

.6s = men.  We know that the number of men = women + 252, so

.6s = women + 252.

.4s = women + children. We know that the number of children is 2/3 the number of women, so

.4s = women + 2/3 women.  If the number of men = women + 252, then

.4s = men - 252 + 2/3(men - 252) which simplifies to

.4s = 3/3 men - 252 + 2/3 men - 168 and

.4s = 5/3 men - 420 and

.4s = s - 420 and

-.6s = -420 so

s = 700

5 0
3 years ago
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