If there are 4 fire extinguishers for every hallway, how many fire extinguishers if there are a total of 27 hallways?

Mathematics

2 answers:

makvit [3.9K]3 years ago

7 0

Answer:

the answer is 108

Step-by-step explanation:

27 times 4

masya89 [10]3 years ago

5 0

I don’t know jrjdnekanfbjdms

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The width,w, of a rectangular garden is X -2 the area of the garden is X^3-2X-4 what is an expression for the length of the gard

slamgirl [31]

$A=lw \Rightarrow l=\frac{A}{w}$
A - area, l - length, w - width

$w=x-2 \\
A=x^3-2x-4 \\ \\
l=\frac{x^3-2x-4}{x-2}=\frac{x^3-2x^2+2x^2-4x+2x-4}{x-2}=\frac{x^2(x-2)+2x(x-2)+2(x-2)}{x-2}= \\
=\frac{(x^2+2x+2)(x-2)}{x-2}=x^2+2x+2$

The answer is D. x²+2x+2.

3 0

4 years ago

Read 2 more answers

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Alex777 [14]

Answer:

Its D

Step-by-step explanation:

x = 1

x = -1

x= 0.0000 - 3.0000 i

x= 0.0000 + 3.0000 i

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2" was replaced by "x^2". 4 more similar replacement(s).

Step by step solution :

Step 1 :

Equation at the end of step 1 :

((((((x6)-(2•(x5)))+(9•(x4)))-24x3)-x2)+18x)-9 = 0

Step 2 :

Equation at the end of step 2 :

(x6)-(2•(x5)+(32x4)-24x3)-x2)+18x)-9 = 0

Step 3 :

Equation at the end of step 3 :

(x6)-2x5)+32x4)-24x3)-x2)+18x)-9 = 0

4 0

3 years ago

The perimeter of this figure is 42.5 cm. Find the area of this figure.

11111nata11111 [884]

The picture in the attached figure

let
AB=x

we know that
perimeter of the figure=10*x
perimeter=42.5 cm
so
42.5=10*x
x=42.5/10
x=4.25 cm

area of the figure=area of rectangle +area of square
area of rectangle=4.25*(4.25*3)----> 54.1875 cm²
area of square=4.25²----> 18.0625 cm²

area of the figure=54.1875+18.0625-----> 72.25 cm²

the answer is
72.25 cm²