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vodka [1.7K]
3 years ago
15

Solve all and: (will give brainly QUICKLEY FOR BEST ANSWERS!!

Mathematics
2 answers:
My name is Ann [436]3 years ago
7 0

Answer:

Step-by-step explanation:

1) 6r - 12 + 6r + 11 = 11

Combine like terms

6r + 6r - 12 + 11 = 11

           12r - 1 = 11

                12r = 11 + 1

               12r = 12

                  r =12/12

                 r = 1

2) 8m + 5 + 13m - 5 = 42

  8m + 13m + 5 - 5 = 42

                    21m +0 = 42

                         21m = 42

                             m = 42/21

                           m = 2

3) 4x + 5 + 5x + 6 = 29

   4x + 5x + 5 + 6 = 29

              9x + 11 = 29

                 9x = 29 - 11

                 9x = 18

                   x = 18/9

x = 2

REY [17]3 years ago
7 0

Answer:

r = 1   m = 2  x = 2

Step-by-step explanation:

1. 6(1)-12+6(1)+11=11

2. 8(2)+5+13(2)-5=42

3. 4(2)+5(2)+6=29

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2 years ago
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Find the value of x. Then find the measure of the red arc.
Elza [17]

Answer:

x = 70 degrees, red arc= 110 degrees

Step-by-step explanation:

x and 2x-30 added together is 180 degrees.

We can make an equation to find x,

x + (2x - 30) = 180

3x - 30 = 180

Add 30 to both sides to isolate x

3x = 210

By dividing both sides by 3, we get x = 70

Now we know the red arc is 2x - 30. We can plug x in because we know the value now.

2(70) - 30

140 - 30

Red Arc = 110 degrees

8 0
3 years ago
3.x + y = 11<br> Y = x + 3
PSYCHO15rus [73]

Answer:

x = 2

Step-by-step explanation:

3.x + y = 11     (eq 1)

Y = x + 3       (eq 2)

sub 2 into 1

3x + x + 3 = 11

4x + 3 = 11

4x = 8

x = 2

4 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;

  • total cost of 2 dance tickets
  • price of c for each, less a one-time $5 discount

Expressed as;

2(c- 5)

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

Learn more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

7 0
1 year ago
Please help me I can’t figure it out
vaieri [72.5K]

Answer:

Your answer is 4

Step-by-step explanation:

(52 - 2(2)) / (9 + 3)

(52 - 4) / (9 + 3)

48 / 12 = 4

6 0
2 years ago
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