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weeeeeb [17]
3 years ago
8

Help me with number 11 . ASAP AND PLZ SHOW YOUR WORK! THXS

Mathematics
2 answers:
Sladkaya [172]3 years ago
5 0
C hope i could help you out
Lapatulllka [165]3 years ago
3 0

15.5x = 9.25x + 12.5
Subtract 9.25x on both sides
15.5x - 9.25x = 12.5
Combine like terms
6.25x = 12.5
divide both sides by 6.25 to have x alone
\frac{6.25x}{6.25}  =  \frac{12.5}{6.25 }  \\  \:  \:  \:  \:  \:  \:  \:  \:  x = 2
So B 2 hours
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Area of a trapezoid please help
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Answer:

A= 30

Step-by-step explanation:

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Using the factoring process, what constant is added to the RIGHT side of the quadratic equation 2x2? 9x ___ = ?9 ___ in order to
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Solve the equation n/10 + 5 =9. The solution is (Type the value of n.)​
natita [175]

Answer:

40

Step-by-step explanation:

n/10+5=9

n/10=9-5

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2 years ago
How many feet long is the fence ?
grandymaker [24]

Answer:

50 feet long

Step-by-step explanation:

Use the Pythagorean theorem to find the value of the missing side. The pythagoreon theorem only works with right triangles such as this one.

a²+b²=c²

Where a and b are length of legs (sides) of a triangle. And c is the length of the hypotenuse. The hypotenuse is the side across from the right angle.

We know by looking at the image posted in the question, that one leg of the triangle is 14 feet. And another leg is 48 feet. (Length of picnic area) (length of campground)

14²+48²=c²

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196+2304=2500

Find square root of 2500

√(2500)=50

So 14²+48²=50²

The missing side is 50 feet long. The fence is 50 feet long.

Attached is another example.

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