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Ratling [72]
3 years ago
8

Plz help algebrA give points for it

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
7 0
The volume of a rectangular box is length x width x height.
Let x = height
width = 9x
length = 3x

V = (3x)(9x)(x) = 125
27x³ = 125
x³ = 125/27
x = 5/3

The height of the box is 5/3 ft, the width of the box is 15 ft, and the length of the box is 5 ft
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Is the graph proportional or non-proportional, and if so, why?
Aneli [31]

Explanation is in the file

tinyurl.com/wpazsebu

7 0
3 years ago
Find an equation to the line perpendicular to 4x + 36y =80 an goes through the point (3,6) write answer in form y= Mx+b
Veronika [31]

Answer:

\textbf{y = 9x + 21 }\\

Step-by-step explanation:

\textup{Given equation is: $4x + 36y = 80  $}\\\textup{This can be written in the form of $y = mx + a$ as follows}\\$ 36y = -4x + 80 $\\$ \implies y = \frac{80}{36} - \frac{4}{36}x $\\$ \implies y = \frac{-1}{9}x + \frac{20}{9} $\\\textup{This means that the slope of this line is $m = \frac{-1}{9}$}\\

\textup{Then the slope of the line perpendicular to this line would be \textbf{negative reciprocal of m}.}\\$i.e.,$ \textup{Slope of the perpendicular line would be $m_1 = \frac{-1}{\frac{-1}{9}}$}\\$\implies m_1 = 9$\\

\textup{The perpendicular line passes through the point $(3,6)$}\\\textup{Using the \textbf{point-slope formula}, we get:}\\

$$ y - y_1 = m(x - x_1) $$$ \implies y - 6 = 9(x - 3) $\\\textup{After solving this reduces to $y = 9x + 21$ }

8 0
4 years ago
. Show ALL work for the following problem... if you write the answer only, you will not get brainlist: 2(x - 2) = 4x - 6(x - 2)
Rom4ik [11]

Distribute 2 to x and -2, and -6 to x and -2

2(x - 2) = 2x - 4

-6(x - 2) = -6x + 12

2x - 4 = 4x - 6x + 12

Simplify. Combine like terms

2x - 4  = (4x - 6x) + 12

2x - 4 = -2x + 12

Isolate the x. Add 4 to both sides, and 2x to both sides

2x (+2x) - 4 (+4) = -2x (+2x) + 12 (+4)

2x + 2x = 12 + 4

Simplify

4x = 16

Isolate the x. Divide 4 from both sides

4x/4 = 16/4

x = 16/4

x = 4

4 is your answer for x.

hope this helps

6 0
3 years ago
WHY WOULDNT YOU GUYS HELP ME THIS IS MY 20TH TIME POSTING THIS AND I HAVE 0 ANSWERS IN ALL OF THEM PLSSS PLS HELP QUICK PLSSS :’
marysya [2.9K]

Answer:

I think it is E and C

Step-by-step explanation:

E) y - 6 = -7/4(x+5)

(-5,6)

6-6=-7/4(0)

0=0

(-1,-1)

-1-6=-7/4(-1+5)

-7=-7/4(4)

-7=-7

5 0
3 years ago
Please help me find all the missing angles in the two problems
Yakvenalex [24]

the answer for the second problem is x=99 degrees and y= 261 degrees

dunno the first problem :/

3 0
2 years ago
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