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zmey [24]
3 years ago
8

What are the zeros of f(x)=(x+5)(x-9)?

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
7 0

Answer:

x = - 5, x = 9

Step-by-step explanation:

To find the zeros equate f(x) to zero, that is

(x + 5)(x - 9) = 0

Equate each factor to zero and solve for x

x + 5 = 0 ⇒ x = - 5

x - 9 = 0 ⇒ x = 9

klemol [59]3 years ago
5 0

Answer:

x= -5

x= 9

Step-by-step explanation:

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Please assist. No links or your account is getting banned
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Answer:

a^-^7

Step-by-step explanation:

\frac{a^{-13}}{a^{-6}}

\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}

=a^{-13-\left(-6\right)}

\mathrm{Apply\:rule}\:-\left(-a\right)=a

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2 years ago
-3(3x+8)&gt;-9x+4 always or never true?
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Answer:Always
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3 years ago
Chris made a solid by joining two identical rectangular prisms as picture blow. The overall dimensions of the composite solid ar
Pie

Answer:

B

Step-by-step explanation:

Base area = (base x width) = 20 x 18 = 360 cm^2

Base perimeter = (base + width) x 2 = (20 + 18) x 2 = 76 cm

lateral surface = (base perimeter x height) = 76 x 15 = 1140 cm^2

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3 years ago
In a theater, there are 4 long rows of chairs,each with an equal number of chairs There are 5 ahort rows of chairs,each with an
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<span>There are 4 long rows and 5 short rows in the theater. x represents the number of chairs in each long row and y represents the number of chairs in each short row.

So, total number of chairs in 4 long rows= 4x
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When 2 chairs are added to each long row, the number of chairs will change to (x+2).
So, total number of chairs in 4 long rows will be = 4(x+2)

When 3 chairs are added to each short row, the number of chairs will change to (y+3)
So, total number of chairs in 5 short rows will be = 5(y+3)

Thus, total number of chairs in the theater in rush day = 4(x+2) + 5(y+3)
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</span>
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