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bixtya [17]
3 years ago
7

Each side of a square rug is 3ft 2in long. Peg has 20ft of braid to use as trim on the four sides of the rug. How much braid wil

l be left over? Write your answer in feet and inches
Mathematics
1 answer:
stepan [7]3 years ago
5 0

Answer:

7ft 8in is left over

Step-by-step explanation:

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The foot of a ladder is placed 6 feet from a wall if the top of the ladder rests 8 feet up on the wall how long is the ladder?
Vlada [557]
Try to imagine this word problem, there is a wall and a ladder leaning against it, the space from the bottom of the ladder is labeled 6 and the length of the height the ladder reaches on the wall is 8. Imagine this as a right triangle now, where the length of the ladder is the hypotenuse and the length of the legs of the triangle is 6 and 8. Because we know this, we can use the Pythagorean theorem, a^2+b^2=c^2
We then plug in the values and you get 6^2+8^2=c^2
When you simplify, you get 36+64=c^2 which is c^2=100
When you solve for c, you get c=10 which would be the length of the ladder :)
4 0
3 years ago
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What is the volume of the sphere shown below? 13 A. 527 units O B. 676 3 i units 3 C. 8788 3 i units 3 O D. 10472 units3​
vichka [17]
527, because it is hope it helps
6 0
2 years ago
In a class there are two girls for every three boys. The ratio 2 : 3 compares the
alekssr [168]

Answer:

a. I'm not sure if there's more to the question but I can't answer without knowing how many is the whole class

B. 12 boys

4 0
1 year ago
What is the missing number<br> 7 x ( ? x 9) = 63
GrogVix [38]
The ? is 1. 

7*(9*1)=63

Hope this helps!!
6 0
3 years ago
Given that f(x) = x² + 4x, evaluate f(-2). -4 -8 -12
Aleks [24]
<span>f(x) = x² + 4x
so
</span><span>f(-2) = (-2)² + 4(-2)
f(-2) = 4 - 8
f(-2) = -4

answer
-4</span>
6 0
3 years ago
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