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bagirrra123 [75]
3 years ago
13

Solve for the proportion. x+2/5=6/15

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

For this case we must solve the following proportion:

\frac {x + 2} {5} = \frac {6} {15}

Multiplying by 5 on both sides of the equation we have:

x + 2 = \frac {6 * 5} {15}\\x + 2 = \frac {30} {15}\\x + 2 = 2

Subtracting 2 from both sides of the equation:

x = 2-2\\x = 0

ANswer:

x = 0

tatuchka [14]3 years ago
4 0

Answer:

x = 0

Step-by-step explanation:

x + \frac{2}{5} = \frac{6}{15}

Simplify \frac{6}{15} so that both fraction have the same denominator

\frac{6/3}{15/3}

Subtract \frac{2}{5} from each side.

x + \frac{2}{5} = \frac{2}{5} \\-\frac{2}{5} -\frac{2}{5} \\\\x = 0

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A submarine traveling 200 meters below the surface of the ocean increases its depth by 45 meters. Adam says that the new locatio
My name is Ann [436]

Answer:

The error that Adam could have made is added 45 to the depth of

submarine instead of adding -45

Step-by-step explanation:

* Lets explain how to solve the problem

- A submarine traveling 200 meters below the surface of the ocean

- Increases its depth by 45 meters

- Adam says that the new location of the submarine is -155 meters

- We need to know the error of Adam

∵ We consider the surface of the ocean is the zero level

∵ The submarine is 200 meters below the surface of the ocean

∵ Below means negative

∴ The depth of submarine is -200 meters

∵ It increases the depth by 45 meters

- <em>That means it travels down another 45 meters</em>

∵ Down means negative

∴ The depth of submarine = -200 + (-45) = -245 meters

∴ The depth of submarine is 245 below the surface of the ocean

- Adam could thought that the submarine traveled up for 45 meters

 then he add 45 to -200

∵ -200 + 45 = -155 meters

∴ The error that Adam could have made is added 45 to the

   depth of submarine instead of adding -45

3 0
3 years ago
What is the standard form for 200,000+80,000+700+6
ozzi
280,706 is the standard form
7 0
3 years ago
Sole for a.
Kipish [7]

Answer:

There are no solutions.

D) no solution

7 0
2 years ago
How many students do not like any of the three fruits?<br>16<br>17<br>19<br>25​
alexdok [17]

Answer:

  • D. 25

Step-by-step explanation:

Total students = 90

<u>Students who like at least one of the fruit:</u>

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<u>Number of students do not like any of the fruits:</u>

  • 90 - 65 = 25
4 0
3 years ago
What is the length of the hypotenuse? If necessary, round to the nearest tenth.
exis [7]

Answer:

<h2><u><em>3.5 Km</em></u></h2>

Step-by-step explanation:

the length of the hypotenuse is 4 Km, it is probable that you are looking for the value of the cathetus a.

it is a right triangle and we use Pythagoras

a² = 4² - 2²

a² = 16 - 4

a² = 12

a = √12

a = 3.46 (round 3.5)

4 0
2 years ago
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