Answer:
10
β
Step-by-step explanation:
We can find this two ways, first by seeing in the step after it, cosines are canceled out. Since you already have 10
β
on the next step, you can assume that (since only the cosines changed and the cosine next ot the blank was removed), the value is 10
β
.
You can also use double angle formulas from the previous step:
(sin(2β) = 2 sin(β) cos(β))and find that:
5 sin (2β) sin(β) = 5 * (2 sin(β) cos(β)) sin(β)) = (10 sin(β) sin(β)) cos(β) =
10
β
cos(β)
But since cos(β) is already present, we can see that the answer is 10
β
16x - 3x = x is the Given,
16 = 4x is the Addition Property of Equality,
and
4 = x is the Division Property of Equality!
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We know that
[volume of a prism]=length*<span>width*height
</span><span>length=1 1/4 cm-------> (1*4+1)/4-------> 5/4 cm
</span><span>width = 4 cm
height=</span><span>3 1/4 cm---------> (3*4+1)/4------> 13/4 cm
</span>[volume of a prism]=(5/4)*4*13/4-----------> 65/4--------> 16.25 cm³
the answer is
the volume is 16.25 cm³ (16 1/4 cm³)
Answer:

Step-by-step explanation:

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