Can someone help me out? (Show work on how to solve)
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Answer:
Step-by-step explanation:
first place)
in first place you must Know by definition that a joule is defined as the amount of work done by a constant force in a meter of length
and it is 1 J = 1 N ×m = 1 kg ×m/s² ×m= 1 Kg×m²/s²
now you can calculate the time done by ken and his bicycle
1000000 = 52kg×(1600)²/s² = 1000000= 133120000/s²⇒1000000s² = 133120000⇒s²= 133120000/1000000⇒ s² =133,12⇒s =√133,12 = 11,5≅12
12 s is the time that ken with his bicycle ride up to the mountain
second )
having the time you can calculate the work done by ken individually
52kg×(1600)²/(12)² =133120000/ (12)² = 924444,4 and this is the work done by ken
Now you must substract the work done by ken and his bicycle from the work done by ken individually in order to know the work of the bicycle
1000000 joules -924444,4 joules = 75555,6 joules
Having this amount, you can calculate the mass of the bicycle
and it is 1 J = 1 N ×m = 1 kg ×m/s² ×m= 1 Kg×m²/s²
75555,6 = kg *(1600)²/(12)²⇒ 75555,6 =17777,7kg⇒ Kg = 75555,6/17777,7 = 4,25 kg
the mass of the ken's bicycle is 4,25 kg
A.1/8
B.1/6
C.1/2
D.2/3
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Well, there are 6 sides.
There are also 6 numbers: 1, 2, 3, 4, 5, 6
Okay, so the probability of rolling a 3 is 1/6 because that is just one number of the 6.
Okay, number greater than four are 5 and 6, and if you add 3 to that you get 3/6, or 3 out of 6 numbers.
If you simplify 3/6 you get 1/2.
Hope this helps!
Probability of rolling a 3 or a number greater than 4: there are 2 numbers greater than 4 (5 and 6) and one other number (3). In total, there are 3 numbers here.
So the probability of rolling 3 numbers out of 6 is 3/6, which can be simplified to 1/2.
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2 x 40 = 80
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IGNORE
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4x-2(x-a)= 14
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x=-2
4x-2(x-a)=14
4*(-2) -2(-2-a)=14
-8+4+2a=14
-4+2a=14
2a=18
a=9
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Answer:
480 square feet
Step-by-step explanation:
Length of the wooden deck = 60 feet
Width of the wooden deck = 8 feet
In order to find the amount of wood need for the deck we have to find the area of the deck. The shape of deck is rectangular. So we need to find the area of a rectangle with a length of 60 feet and width 8 feet.
Area of a rectangle is calculated as:
Area = Length x Width
Using the given values, we get:
Area = 60 x 8 = 480 square feet
This means Adam needs 480 square feet of wood to build a deck.