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natka813 [3]
3 years ago
10

F(x)=-2x^2 -3, find f(0)

Mathematics
1 answer:
maria [59]3 years ago
8 0

Answer:

Step-by-step explanation:

It's -3

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Devon says that triangles TUV and XYZ are similar because TU/XY UV/YZ XZ/TV what is wrong with his reasoning?
jeka57 [31]

Answer:

Devon use \frac{XZ}{TV} instead of \frac{TV}{XZ} in his reason. So, we can say that triangles are not similar.

Step-by-step explanation:

If two triangles are similar then their corresponding sides are proportional.

If triangle TUV and XYZ are similar, then

\frac{TU}{XY}=\frac{UV}{YZ}=\frac{TV}{XZ}

The reason given be Devon is

\frac{TU}{XY}=\frac{UV}{YZ}=\frac{XZ}{TV}

He use the correct concept, that the corresponding sides of similar triangle are proportional. But he use \frac{XZ}{TV} instead of \frac{TV}{XZ} in his reason.

Therefore his reason is incorrect. So, we can say that triangles are not similar.

3 0
4 years ago
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A Morning Dove can reach speeds up to 158,400 feet per hour. How fast is this in miles per hour?
julia-pushkina [17]

Answer: 30 mph

Step-by-step explanation: Divide 158,400 by 5280(the amount of feet in a mile) to get your answer.

7 0
3 years ago
Triangle ABC has side lengths of 4 units, 7 units, and 5 units. Use the Converse of the Pythagorean Theorem to prove that ABC is
zaharov [31]

Answer:

3

 16 + 25 = 49

1

 a^2 + b^2 = c^2

4

41 ≠ 49

2

 4^2 + 5^2 = 7^2

Step-by-step explanation:

8 0
3 years ago
Write a rule for the translation.
CaHeK987 [17]
Answer: b
Explanation: to get to point c (pink) to the other point c (blue) you need to go back 2 spaces which will makes it negative and go up one space which is positive.
8 0
3 years ago
Help! Please!
Lemur [1.5K]

Answer:

1) 130°

2) 130°

Step-by-step explanation:

Assuming SR, TU, and PQ are parallel, they would both be 130.  (180-50)

7 0
3 years ago
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