3 years ago

Based on the information marked in the diagram, ∆XYZ and ∆RST must be congruent.

Mathematics

1 answer:

saveliy_v [14]3 years ago

7 0

The answer is A true

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Consider the following function. f(x) = |x − 9| Find the derivative from the left at x = 9. If it does not exist, enter NONE. -1

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Answer with Step-by-step explanation:

We are given that

$f(x)=\mid x-9\mid$

$f(x)=-(x-9)$ when x<9

$f(x)=x-9$ when $x\geq 9$

LHD

$\lim_{x\rightarrow 9-}f'(x)$

= $-\lim_{x\rightarrow 9-}(x-9)=-1$

RHD

$\lim_{x\rightarrow 9+}f'(x)$

$=\lim_{x\rightarrow 9+}(x-9)=1$

$LHD\neq RHD$

Hence, the function is not differentiable at x=9

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3 years ago

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VLD [36.1K]

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Step-by-step explanation:

Equalateral triangles has 3 60 degre angles, and 3 congruent sides

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3 years ago

What is the answer to the question, what is 2-6?

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Answer:

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Step-by-step explanation:

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3 years ago

Moussa is preheating his oven before using it to bake. The initial temperature of the

Yuki888 [10]

Answer:

365°, (65 +20t)°

Step-by-step explanation:

Temperature of oven

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Temperature of oven after 15 minutes

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Temperature after t minutes

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Answer:

false

Step-by-step explanation:

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