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andrezito [222]
3 years ago
13

What is the value of y 10 18 2y+4 10+2x

Mathematics
2 answers:
Sophie [7]3 years ago
8 0
10 = 2y + 4
6 = 2y
y = 3

18 = 10 + 2x
8 = 2x
x = 4
Nimfa-mama [501]3 years ago
8 0

Answer:

y=3

Step-by-step explanation:

Given figure is a rectangle.

In a rectangle , opposite sides are equal

to find out y we equate the opposite sides 10 and 2y+4

10=2y+4

Subtract 4 from both sides

10-4=2y+4-4

6= 2y

Divide both sides by 2

y=3

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Step-by-step explanation:

In the quadratic

3x^2+2x-8 the sign on the leading coefficient is positive, so the parabola opens upwards. The y-intercept exists where the x's are equal to 0, so the y-intercept is (0, -8). Match that to the table that has those characteristics in it.

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Totsakan's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 1 adult tickets and 8
Nastasia [14]

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Each ticket cost $13

Step-by-step explanation:

Day 1-- 1 adult and 8 child ticket= Total of 9 tickets = $117

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3 years ago
Which statement is true about angles 3 and 5​
Luba_88 [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Solve the system using substitution.<br> y - 3x = 1<br> 2y - x = 12<br> ([?], [])
anyanavicka [17]

Answer:

(2, 5)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

y - 3x = 1

2y - x = 12

<u>Step 2: Rewrite Systems</u>

y - 3x = 1

  1. Add 3x on both sides:                    y = 3x + 1

<u>Step 3: Redefine Systems</u>

y = 3x + 1

2y - x = 12

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                    2(3x + 1) - x = 12
  2. Distribute 2:                         6x + 2 - x = 12
  3. Combine like terms:           5x + 2 = 12
  4. Isolate <em>x</em> term:                     5x = 10
  5. Isolate <em>x</em>:                              x = 2

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define equation:                    2y - x = 12
  2. Substitute in <em>x</em>:                       2y - 2 = 12
  3. Isolate <em>y </em>term:                        2y = 10
  4. Isolate <em>y</em>:                                 y = 5
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2 years ago
Select the expression that can be used to find the price of a $350 telescope after a 48% markup.
zvonat [6]

Answer:

c

Step-by-step explanation:

you have to turn the48 to a decimal

4 0
2 years ago
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