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2 years ago

What is y/3 + 6 = 9?

Mathematics

2 answers:

eduard2 years ago

7 0

Answer:

y = 9

Step-by-step explanation:

y/3 + 6 = 9

Subtract 6 from both sides

y/3 + 6 - 6 = 9 - 6

Simplify

y/3 = 3

Multiply both sides by 3

3y/3 = 3 * 3

y = 9

VLD [36.1K]2 years ago

5 0

y = 9 because 9 over 3 simplified is 3 and 3 plus 6 equals 9

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The length of a rectangle is 5 meters less than twice the width. If the area of the rectangle is 273 meters, find the dimensions

AleksandrR [38]

The length of the rectangle = 16 meters

The width of the rectangle = 10.5 meters

Step-by-step explanation:

Given that,

The Area of the rectangle is 273.

Step 1 :

Let, the width of the rectangle be 'x'

The length of the rectangle is 2x - 5

Step 2 :

Area of the rectangle = length $\times$ width

273 = (2x - 5) x

273 = 2x^2 - 5x

Step 3 :

The equation formed is 2x^2 - 5x -273 = 0

a= coefficient of x^2 = 2

b= coefficient of x = -5

c = constant = -273

Find the roots of the equation, to find the width.

Step 4 :

Find the roots using factorizing method,

ac = 2 $\times$ -273 = -546 and b= -5

Factorizing -546 as -26 $\times$ 21

The product of -26 $\times$ 21 = -546

The sum of -26 + 21 = -5

Step 5 :

The roots of the equation 2x^2 - 5x -273 = 0 are x= -26/2 and x= 21/2

The values of x are x= -13 and x= 10.5

Since the width cannot be a negative value, neglect x= -13

Step 6 :

Therefore,

The width of the rectangle = 10.5 meters

The length of the rectangle = 2x-5

= 2(10.5) - 5

= 21 - 5

length = 16 meters

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3 years ago

Answer quickly for brainliest.

Ratling [72]

Answer:

the one all the way on the left and the one all the way on the right!

the points that match are t,b a,v u,c

Step-by-step explanation:

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3 years ago

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GrogVix [38]

Answer:

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Step-by-step explanation:

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2 years ago

3/5 in two equivalent forms

Deffense [45]

To get the equivalent of 3/5, multiply both the numerator and denominator by the same number. So, multiply 3/5 by 2 and you will get 6/10. Multiply 3/5 by 3 and you will get 9/15. The equivalent fractions of 3/5 are 6/10 and 9/15.

Hope it helps :)

6 0

3 years ago

Read 2 more answers

It is known that the point P(-9,18) belongs to the graph of the function y=k/x. Find k.

riadik2000 [5.3K]

Answer:

$k = (-162)$ .

Step-by-step explanation:

A point of the form $(x_{0},\, y_{0})$ belongs to the graph of this function, $y = k / x$ , if and only if the equation of this function holds after substituting in $x = x_{0}$ and $y = y_{0}$ .

The question states that the point $(-9,\, 18)$ belongs to the graph of this function. Thus, the equation of this function, $y = k / x$ , should hold after substituting in $x = (-9)$ and $y = 18$ :