Brandon's class has 7 boys and 13 girls. explain how do the ratios 7:13 and 7:20 describe Brandon's class?
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Answer:
<em>The value of b is</em><em> 8</em><em>.</em>
Step-by-step explanation:
The given function is,
The given data is,
i.e when the value of x is -2, then the value of the function is -14.
Putting all the values,
Therefore, the value of b is 8.
Given:
Height of a trapezoidal prism = 10 cm
Base lengths are 3 and 4 cm.
Base height = 2 cm
To find:
The volume of the trapezoidal prism.
Solution:
Base area of a trapezoidal prism
Where, a,b are base lengths and h is the base height.
Putting , we get
The volume of a trapezoidal prism is:
Where, B is the base area and h is the height of the prism.
Putting , we get
Therefore, the volume of the trapezoidal prism is 70 cubic cm.