Answer:
15 cars
Step-by-step explanation:
If there are 7 trucks for every 5 cars, the ratio is 7:5. So if there are 21 trucks, that's 7 x 3, which means we also multiply 5 by 3 = 15
Exact Form: 2/7
Decimal Form:0.285714 (this is also a repeating decimals)
<em><u>GIVEN</u></em><em><u> </u></em><em><u>EQUATION</u></em><em><u> </u></em><em>:</em><em>-</em>
<em>x</em><em> </em><em>+</em><em> </em><em>6</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>9</em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em><u> </u></em><em><u> </u></em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>•</em><em>•</em><em>•</em><em> </em><em>(</em><em>i</em><em>)</em>
We have to find missing coordinate in ordered pair (2,?).
From ordered pair , we can observe that value of x is 2.
Putting value of x in equation (i).
2 + 6 y = 9
=> 6y = 9 -2
=> 6y = 7
=> y = 6/7
=> y = 0.8571428571
=> y = 0.86 (approx )
Now , ordered pair is ( 2, 0.86)
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4x+2y-6z-x-3y+2z= 3x-y-4z
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Answer:
The height of the roof is 534.8 feet.
Step-by-step explanation:
Let h be the height of the roof.
We know the formula
Since, the stone is dropped from the edge of the roof hence, the initial velocity should be zero. Thus, u = 0
Now, we have
v = -185 feet per second
g = 32 feet per square second
On substituting these values, we get
The height of the roof is 534.8 feet.
