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sesenic [268]
3 years ago
12

2x - 10 =28 what is x

Mathematics
2 answers:
baherus [9]3 years ago
6 0

Answer:

x = 19

Add 10 to both sides of this equation.

2x − 10 + 10 = 28 + 10

Now, divide both sides by 2.

\frac{2x}{2} = \frac{38}{y\2}

Answer = 19

Brut [27]3 years ago
5 0

Answer:

x = 19

Step-by-step explanation:

2x - 10 = 28

2x = 38

x = 19

Best of Luck!

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the ratio of the sides of a certain triangle is 2:7:8 if the longest side of the triangle is 40cm how long are the other two sid
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<h3>What is a ratio?</h3>

A ratio is a quantitative relation showing the comparison between two or more numbers. It can also be written in the fractional form where the first part is the numerator and the second part is called the denominator.

From the given information:

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We are being told that the longest side is the triangle is equal to 40.

i.e.

\mathbf{\to\dfrac{8}{17}\times x = 40}

\mathbf{x = 40 \div \dfrac{8}{17}}

\mathbf{x = 40 \times \dfrac{17}{8}}

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Now for the other two sides 2 and 7, their length is as follows.

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Therefore, we can conclude that the length of the other two sides is 10 and 35 respectively.

Learn more about ratios here:

brainly.com/question/2328454

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