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NikAS [45]
2 years ago
8

What is the length of side BC of the triangle?

Mathematics
1 answer:
cluponka [151]2 years ago
8 0
The length of BC is 72 I hope this will help uh

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D I’ve had this and d was right for me
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2 years ago
The washer in the image has an inner diameter of 1/4 inch. The outer diameter measures 3/4 inch, and the washer is 1/4 inch thic
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Answer:

  0.14 lb . . .  closest choice is 0.11 lb

Step-by-step explanation:

The inside and outside radii are 1/8 in and 3/8 in, respectively. Then the area of the top of the washer is ...

  A = π(R² -r²) = π((3/8)² -(1/8)²) = π(9/64 -1/64) = π/8 . . . square inches

The height of the stack of 5 washers will be 5×(1/4 in) = 5/4 in. So, the volume of material in the stack of washers is ...

  V = Bh = (π/8)(5/4) = 5π/32 . . . cubic inches

The weight of material is the product of volume and density, so is ...

  W = (5π/32 in³)(0.285 lb/in³) ≈ 0.1399 lb ≈ 0.14 lb

_____

<em>Comment on the question</em>

Since this answer does not correspond to any of the offered choices, we suggest you ask your teacher to work this out for you. We suspect they will have difficulty justifying any of the answer choices shown here. (0.11 lb corresponds to 4 washers, not 5.)

5 0
3 years ago
A diver starts at the wreck of the Varanger and then ascends 8 feet every 5 minutes. What is the diver’s depth after one hour?
Leokris [45]

Answer:

Step-by-step explanation:

60 minutes divided by 5 times 8

96 feet

6 0
2 years ago
4(x−3)=9 plz answer
dem82 [27]

Step-by-step explanation:

x = 21/4 fraction form and alternative form is 5 1/4

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What is the average rate of change of f(x), represented by the table of values, over the interval [-3, 4]?
-Dominant- [34]
F ( -3 ) = 6
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Average rate of change:\frac{27-6}{4-(-3 )}= \frac{21}{4+3}= \frac{21}{7} = 3
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3 years ago
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