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wariber [46]
2 years ago
15

Identify the value of y (5y-6) = (2y×9)-32

Mathematics
1 answer:
earnstyle [38]2 years ago
5 0

Hey there!

Let's solve your equation step-by-step.

\fbox{5y−6=2y(9)−32}

Step 1: Simplify both sides of the equation.

\fbox{5y−6=2y(9)−32}

\fbox{5y+−6=18y+−32}

\fbox{5y−6=18y−32}

Step 2: Subtract 18y from both sides.

\fbox{5y−6−18y=18y−32−18y}

\fbox{−13y−6=−32}

Step 3: Add 6 to both sides.

\fbox{−13y−6+6=−32+6}

\fbox{−13y=−26}

Step 4: Divide both sides by -13.

\fbox{−13y/−13 = −26/−13}

\fbox{y=2}

Answer:

\fbox{y=\fbox{2}}

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(28 and 29) I really need help
scoundrel [369]

Answer:

28 is 11/60

29 is 7/30

Step-by-step explanation:

5 0
3 years ago
Find an equation, or a set of equations, to describe the set of points that are equidistant from the points p(−9, 0, 0) and q(3,
wariber [46]
X = -3.  
The distance from p(-9, 0, 0) is
 d = sqrt((x+9)^2 + y^2 + z^2) 
 The distance from q(3,0,0) is
 d = sqrt((x-3)^2 + y^2 + z^2) 
 Let's set them equal to each other.
 sqrt((x+9)^2 + y^2 + z^2) = sqrt((x-3)^2 + y^2 + z^2)
  Square both sides, then simplify
 (x+9)^2 + y^2 + z^2 = (x-3)^2 + y^2 + z^2
 x^2 + 18x + 81 + y^2 + z^2 = x^2 - 6x + 9 + y^2 + z^2
 18x + 81 = - 6x + 9
 24x + 81 = 9
 24x = -72
 x = -3 
 So the desired equation is x = -3 which defines a plane.
7 0
3 years ago
The range of the function f(x) = x + 5 is {7, 9}. What is the function’s domain?
Delicious77 [7]

Answer:

Step-by-step explanation:

8 0
3 years ago
Evaluate 5x – 2y + (7x – y) for x = 7 and y = –2. 90 –18 –45 63
seropon [69]

The value of the expression 5x – 2y + (7x – y)  when x = 7 and y = -2 is 90

<h3>How to evaluate the expression?</h3>

The expression is given as:

5x – 2y + (7x – y)

Substitute x = 7 and y = –2 in the above expression

5 * 7 - 2 * -2 + (7 * 7 + 2)

Evaluate the expression

90

Hence, the value of the expression 5x – 2y + (7x – y)  when x = 7 and y = -2 is 90

Read more about expressions at:

brainly.com/question/723406

#SPJ1

8 0
2 years ago
In the diagram B is the midpoint of a A and C. B is also the midpoint or E and F. C is the midpoint of A and D.
aivan3 [116]

Answer:

AD = 84

Step-by-step explanation:

Since B is the midpoint of AC then AB = BC = 2x - 5

Since C is the midpoint of AD then AC = CD, thus

AB + BC = CD, that is

2x - 5 + 2x - 5 = x + 29

4x - 10 = x + 29 ( subtract x from both sides )

3x - 10 = 29 ( add 10 to both sides )

3x = 39 ( divide both sides by 3 )

x = 13

Hence

AD = AB + BC + CD

     = 2x - 5 + 2x - 5 + x + 29 = 5x + 19, thus

AD = (5 × 13) + 19 = 65 + 19 = 84

6 0
3 years ago
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