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Rashid [163]
3 years ago
14

Find the value of X, I need help solving this

Mathematics
2 answers:
S_A_V [24]3 years ago
6 0

Answer:

97+5x+3=180

5x=180-100

5x=80

x=80/5

x=16

:ans is 16

scZoUnD [109]3 years ago
3 0

Answer:

16

Step-by-step explanation:

180-97 =83 5x16=80

=3 soooo yeah

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Knife is 3 times cost of spoon<br> 9 spoons and 12 knifes is £82.80<br> what is 1 knife
xenn [34]

Answer:

The cost of spoon is £1.84 and therefore the cost of one knife is £5.52.

Given :

  • A knife is 3 times the cost of the spoon.
  • 9 spoons and 12 knives costs £82.80.

Solution :

  • This question is solve by creating a linear equation and linear equations are nothing but yet another subset of "equations".
  • Linear calculations that requires more than one variable can be done with the help of linear equations.
  • The standard form of a linear equation in one variable is ax + b = 0.

Now let x be the cost of spoon. Than the cost knife is 3x. It is given that 9 spoons and 12 knives costs £82.80.

<h3>9x + 12 x (3x) = 82.809x + 36x = 82.8045x = 82.80x = 1.84</h3>

Therefore the cost of 1 knife = 5.52

Step-by-step explanation:  1.84 x 3 = 5.52

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2 years ago
What is the y-intercept of a line with the equation (y - 3) = 5(x + 2)?
Nookie1986 [14]
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The sides of a triangle are 10, 14, 18 what tie of triangle is it
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аcute if     a² + b² > c²    
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We have a=10, b=14 and c=18

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296 < 324   ⇒  obtuse triangle.
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