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1 year ago

Find the value of each variable. 3x 2y 34

Mathematics

1 answer:

nikklg [1K]1 year ago

7 0

X= 30

Y=28

Step-by-step explanation:

It's a right-angle triangle. So, 3 x 30 will give you a 90 degree angle.

180-90=90

That means the next 2 angles should add to 90.

2x28=56

56+34=90

Hope this helps!

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2 years ago

We have 6 tents for 18 campers each tent holds 2 or 4 campers exactly how many of our tents hold 2

wolverine [178]

Answer:

3 tents hold 2 campers

Step-by-step explanation:

The given relations can be expressed as a single equation in the number of 2-camper tents.

Let x represent the number of 2-camper tents. Then the number of 4-camper tents is 6-x, and the total number of campers in tents is ...

2x +4(6 -x) = 18

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_____

Additional comment

The other 3 tents hold 4 campers.

Another way to consider this is to assume that all tents hold 2 campers, and then realize there are 18 -6×2 = 6 campers left over. If these are placed 2 per tent, then there will be 6/2 = 3 tents with 4 campers. The remaining 3 tents will have 2 campers.

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2 years ago

1+4=5 2+5=12 3+6= 21 8+11= ?

saul85 [17]

8+11=19 but if you add 21+19+12+5=57.

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2 years ago

What is the value of x? Enter your answer in the box.

Drupady [299]

Answer:

x = 111

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 7 , then

sum = 180° × 5 = 900

Sum the interior angles and equate to 900

x + 139 + 121 + 125 + 126 + 158 + 120 = 900

x + 789 = 900 ( subtract 789 from both sides )

x = 111

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2 years ago