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aleksley [76]
3 years ago
14

Please explain step by step

Mathematics
2 answers:
Brut [27]3 years ago
8 0

Answer:

{x}^{o}  =  {30}^{o}

Step-by-step explanation:

Hint :

Sum of angles in triangle = 180°

Solution :

{x}^{o}  +  {2x}^{o}  +  {3x}^{o}  =  {180}^{o}  \\  {6x}^{o}  =  {180}^{o} \\  {x}^{o}   =  \frac{ {180}^{o} }{ 6 }  \\  {x}^{o}  =  {30}^{o}

{2x}^{o}  =  {30}^{o}  \times 2 \\  =  {60}^{o}

{3x}^{o}  =  {30}^{o}  -  3 \\  {90}^{o}

<h3>Hope it is helpful....</h3>
VARVARA [1.3K]3 years ago
6 0

Step-by-step explanation:

Sum of all angle in triangle = 180

x + 2x + 3x = 180

6x = 180

x = 180/6

x = 30

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Ruby’s homework covers multiplication with the powers of 10 the first question on her homework is 82.6 x 10 to the power of 2 wh
Elina [12.6K]

Answer:

826

Step-by-step explanation:

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7 0
3 years ago
Write a problem that can be solved using the equation:9x+14=100
Keith_Richards [23]

The correct answer is Option C. Ty saved $14 and he earns $9 each week. How many weeks will it take till he has $100?

Further explanation:

Given equation is:

9x+14

We will look at the options one by one

<u>A.9 dogs and 14 dogs and 14 cats cost $100</u>

If this option has to be considered, there will be atleast two variables involved one for the dogs and one for the cats while the given equation only involves one variable so this is not the correct option.

<u>B. Ty wants to buy 14 dogs, but they cost $100, how much more does he need?</u>

The given scenario cannot be linked to given equation if x represents dogs the equation will be something like 14x=100 so this option is not the correct answer.

<u>C. Ty saved $14 and he earns $9 each week. How many weeks will it take till he has $100?</u>

The number 14 will be constant as this is the value which is used only once while ty earns 9 dollar per week if x represents number of weeks then the equation to represent the scenario will be

9x+14=100

The value of x will give us the number of weeks required.

The correct answer is Option C. Ty saved $14 and he earns $9 each week. How many weeks will it take till he has $100?

Keywords: Linear equations, linear inequality

Learn more about linear equations at:

  • brainly.com/question/1517035
  • brainly.com/question/1506379

#LearnwithBrainly

5 0
3 years ago
Use the zero property product to find the solutions to the equation x^2-9= 16
Luba_88 [7]
Subtract 16 to get
  x^2 -25 = 0
Factor this as
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The zero product property tells you the product will be zero when one of the factors is zero.

For x-5 = 0
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For x+5 = 0
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The appropriate choice is
  3) x=-5 or x=5
4 0
3 years ago
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