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gavmur [86]
3 years ago
10

Evaluate F(x)=-4x+7 when x is 1

Mathematics
1 answer:
oee [108]3 years ago
8 0

Answer:

f (1) = 11

Step-by-step explanation:

f(1) = 4(1) + 7

f(1)= 4+7

f(1)= 11

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The answer is B its quite easy if you look at it
 
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A triangle with side lengths 13, 30, and 42 is a right triangle. True or False?​
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4 years ago
Use the net to compute the surface area of the three-dimensional figure.
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9514 1404 393

Answer:

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Step-by-step explanation:

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__

<em>Additional comment</em>

You can reject the first two answer choices immediately, because they are odd. Each face will have an area that is the product of integers, so will be an integer. There are two faces of each size, so <em>the total area of this figure must be an even number</em>.

You may recognize that the dimensions are 8, 8+1, 8-1. Then the area is roughly that of a cube with dimensions of 8: 6×8² = 384. If you use these values (8, 8+1, 8-1) in the area formula, you find the area is actually 384-2 = 382. That area formula is A = 2(LW +H(L+W)).

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