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Arte-miy333 [17]
3 years ago
11

GEOMETRY HELP PLEASE

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0
The rule for a rotation by 180 about the origin is <span>(x,y)→(−x,−y<span>)
C(-3, 4)
so
C'(3,-4)

answer
</span></span><span>d.) (3,-4)</span>
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4 years ago
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Help please!!! this is for my geometry test
Alika [10]

Answer:

A: 180°, semi circle

Step-by-step explanation:

We are told that MK and HL are the diameters.

By Inspection, it is clear that MHK will be a semi circle.

The angle of that chord will be 180° since sum of angles on a straight line is 180°.

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5 0
3 years ago
The number of bacteria in a refrigerated food product is given by N ( T ) = 22 T 2 − 123 T + 40 , 6 &lt; T &lt; 36 , where T is
antoniya [11.8K]

Answer:

N(T(t)) = 1408t^2 - 385.6t - 105.52

Time for bacteria count reaching 8019: t = 2.543 hours

Step-by-step explanation:

To find the composite function N(T(t)), we just need to use the value of T(t) for each T in the function N(T). So we have that:

N(T(t)) = 22 * (8t + 1.7)^2  - 123 * (8t + 1.7) + 40

N(T(t)) = 22 * (64t^2 + 27.2t + 2.89) - 984t - 209.1 + 40

N(T(t)) = 1408t^2 + 598.4t + 63.58 -  984t - 169.1

N(T(t)) = 1408t^2 - 385.6t - 105.52

Now, to find the time when the bacteria count reaches 8019, we just need to use N(T(t)) = 8019 and then find the value of t:

8019 = 1408t^2 - 385.6t - 105.52

1408t^2 - 385.6t - 8124.52 = 0

Solving this quadratic equation, we have that t = 2.543 hours, so that is the time needed to the bacteria count reaching 8019.

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5 divided by 1/3 is the same as if you flip the denominator meaning 5 x 3 which is 15

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