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uranmaximum [27]

3 years ago

9

The seventh grade enrollment at Main Middle School reduced from 615 students to 492 students. By What percentage was the number

of students reduced?

1 answer:

Contact [7]3 years ago

4 0

Answer:

492 *100/625 =80 %

Step-by-step explanation:

Where [*]= Multiply

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Please help me find the value of x

Mandarinka [93]

Answer:

$10 \sqrt{3}$

Step-by-step explanation:

<h2><em><u>Given</u></em><em><u> </u></em><em><u>Question</u></em><em><u>, </u></em></h2>

To find the value of x.

<h2><em><u>Solution</u></em><em><u>:</u></em></h2>

<em><u>According</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>Pythagoras</u></em><em><u> </u></em><em><u>Theorem</u></em><em><u>-</u></em>

${20}^{2} = {10}^{2} + {x}^{2}$

$= > 100 + {x}^{2} = 400$

$= > {x}^{2} = 400 - 100$

$= > {x}^{2} = 300$

$= > x = \sqrt{300}$

$= > x = 10 \sqrt{3}$

<h2><em><u>Result</u></em><em><u>:</u></em></h2>

<em><u>Hence</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>required</u></em><em><u> </u></em><em><u>value</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>x</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em>

<em><u> $10\sqrt{3}$ </u></em>

8 0

3 years ago

Please helppp mee!!!<br> explain how you know!

skelet666 [1.2K]

Answer:

Yes It will still be balanced.

Step-by-step Explanation:

Since the object is basically being cut in half, as long as the weight is still the same on each side, the balance should still be the same.

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ella [17]

Answer:

x = 17

Step-by-step explanation:

$\\8x - 27 = 3x+58\\5x=85\\x=17$

7 0

3 years ago

Does the Equation open up or open down ?

goblinko [34]

Answer:

Opens up.

Step-by-step explanation:

See the 2 in front of the x? If that's positive, it opens up. If it's negative, it opens down.

5 0

2 years ago

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Which is better? 30 ounces for $2.49 or 40 ounces for 3.32

viva [34]

They're both the same. But 40 ounces for 3.32 would be better

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