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2 years ago

20% of the middle school students decided not to go skiing. How many middle school students are there if 40 stayed in the lodge?

Mathematics

2 answers:

victus00 [196]2 years ago

8 0

Answer:

Step-by-step explanation:

s(20/100)=40

20s=4000

s=200

So there are a total of 200 students.

Anika [276]2 years ago

8 0

Answer:

There are 200 middle school students

Step-by-step explanation:

The equation for this question can be: 40 is 20% of what. This can be simplified to 40 = 0.2x and then to get x by itself you divide 40 by 0.2 which is 200.

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8 3/5 - 1 3/10 = ?<br><br> this is fractions

Semenov [28]

1) $8 \frac{3}{5} - 1 \frac{3}{10}$

2) $8 \frac{6}{10} - 1 \frac{3}{10}$ =

3) $7\frac{3}{10}$

Answer
$7 \frac{3}{10}$

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2 years ago

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A statement and portions of the flowchart proof are shown. Which reason should appear in box labeled 1?

larisa [96]

Answer:

Angle Addition Postulate

Step-by-step explanation:

Given:

$m\angle UVW=30^{\circ}\\ \\m\angle WVX=75^{\circ}$

Prove:

$m\angle UVX=105^{\circ}$

Proof:

1. $m\angle UVX=m\angle UVW+m\angle WVX$ - Angle Addition Postulate

2. $m\angle UVW=30^{\circ}$ - given

3. $m\angle WVX=75^{\circ}$ - given

4. $m\angle UVX=30^{\circ}+75^{\circ}$ - Substitution Property of Equality

5. $m\angle UVX=105^{\circ}$ - Simplify

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3 years ago

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aliya0001 [1]

Answer:

Step-by-step explanation:

5+7=12

8(9+3)

8(12)

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=28+8 divided by 4

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=6×5+40 divided by 5

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=70 divided by 5

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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alexgriva [62]

Answer:

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Step-by-step explanation:

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2 years ago

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