Type the expression that results from the following series of steps: Start with x and double it.
1 answer:
Answer:
is the expression we determine after following the steps 'Start with x and double it'.
Step-by-step explanation:
As we have to determine the expression based on a mentioned series of steps.
The series of steps:
- start with x and double it.
As the double value of x would be 2x, therefore, the required expression would be: 2x
Therefore, is the expression we determine after following the steps 'Start with x and double it'.
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Given that:
James is 6 times older than his friend Zach, if Zach added 8 to his age and multiplied this sum by 3 .
To find:
The equation that can be used to solve for zach's age.
Solution:
Let the age of zach be Z.
Zach added 8 to his age = Z+8
And multiplied this sum by 3 = 3(Z+8)
James is 6 times older than his friend Zach = 6Z
Now,
Divide both sides by 3.
Therefore, the required equation is is age of zach is 8 years.
Answer:
D
Step-by-step explanation:
The formula for volume of cone is
Where
V is the volume
r is the radius of the circular base
h is the height of the cone
<em>In the diagram shown, we can clearly see that height is 12, radius is 9. We can simply plug them into the formula and get our exact answer (leaving pi as pi):</em>
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<em>correct answer is D</em>