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Andrej [43]
3 years ago
8

Identify whether the given value of the variable makes the equation true.

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
7 0
- 5 r - 6 = - 26       for r = 4

- 5 * ( 4 ) - 6 = - 26

- 20 - 6 = - 26

- 26 = -26 

B) true 

hope this helps!



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Solve for all values of x by factoring.<br> x^2 + 4x – 30 = -3x
vichka [17]

Answer:

{x}^{2}  + 4x - 30 =  - 3x \\{x}^{2}  + 7x - 30 = 0 \\  {x}^{2}  - 3x + 10x - 30 = 0 \\ x(x - 3) + 10(x - 3) = 0 \\ (x - 3)(x + 10) = 0 \\  \boxed{x = 3} \\  \boxed{x =  - 10}

<h3><em><u>x=3 or x=-10</u></em> is the right answer.</h3>

7 0
3 years ago
Which represents a total cost of 2 dance tickets at a price of c for each, less a one-time $5 discount?
Eduardwww [97]

The statement is represented as 2(c- 5). Option D

<h3>What are algebraic expressions?</h3>

Algebraic expressions are expressions consisting of variables, terms, factors, and constants.

They are also made up of mathematical operations such as addition, bracket, subtraction, division, multiplication, etc

From the information given, we have;

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2(c- 5)

Thus, the statement is represented as 2(c- 5). Option D

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brainly.com/question/4344214

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7 0
1 year ago
What is an equation in point-slope form of the line that passes through the point (6, −2) and has a slope of 3? A. y + 2 = 3(x −
Nostrana [21]

Answer:

answer A is correct because the formula of equation in point slope is

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8 0
3 years ago
What is the value of x?<br> Enter<br> your answer in the box.<br> X=
Naddika [18.5K]

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you run 1 mile in 8 minutes at a constant speed. How far do you run in 1 minute? write an equation to represent how far you can
Montano1993 [528]

Answer:

0.125

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Step-by-step explanation:

First divide 1 mile by 8 minutes

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Then you simply show 0.125 * x (x being the number you insert to find the distance) = How far you ran

0.125x = Distance Traveled in Miles

Finally you insert 11 for x and multiply to find the distance

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6 0
3 years ago
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