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butalik [34]
3 years ago
5

F(x)-- x2- 9x + 20/ X-5

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0
Jajsjjsjsjsksjsjjs828282828
Paul [167]3 years ago
4 0
What are we solving for?
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Find the coterminal angle between 0 and 360°of the angle -280°
Bond [772]

Answer: So, the coterminal angle of 450° is -90°.

Step-by-step explanation:(i) 395°  

Write 395° in terms of 360°.

395°  =  360° + 35°

So, the coterminal angle of 395° is 35◦

(ii) 525°

Write 525° in terms of 360°.

525°  =  360° + 165°  

So, the coterminal angle of 525° is 165°.

(iii) 1150°

Write 1150° in terms of 360°.

1150°  =  3(360°) + 70°  

So, the coterminal angle of 1150° is 70°.

(iv) -270°

Write -270° in terms of 360°.

-270°  =  -360° + 90°

So, the coterminal angle of 270° is 90°.

(v) -450°

Write -450° in terms of 360°.

-450°  =  -360° - 90°  

So, the coterminal angle of 450° is -90°.

8 0
4 years ago
Andrew is hiking in a mountainous area of a state park. Use the given key features to sketch a graph.
Molodets [167]

Using the features, a piece-wise function is defined, and the graph is sketched at the end of this answer.

A piece-wise function is a function that has <u>multiple definitions</u>, depending on the value of the input.

He starts at 0 feet, and reaches a maximum elevation of 800 feet in 30 minutes, with a steady(linear) increase thus, for the first 30 minutes, the definition is:

h(t) = \frac{800}{30}t, 0 \leq t < 30

For the next 5 minutes, he stops to rest, at the maximum elevation of 800 feet, thus, the definition is:

h(t) = 800, 30 \leq t < 35

For the final 20 minutes, he descends 800 meters, at a linear rate, thus:

h(t) = 800 -\frac{800(t-35)}{20} = 800 - 40(t - 35), 35 \leq t \leq 55

Using these definitions, the graph is sketched at the end of this answer.

A similar problem is given at brainly.com/question/13205719

7 0
3 years ago
If f(x) = 6x – 4, what is f(x) when x = 8?
Deffense [45]

Answer:

44

Step-by-step explanation:

1) Substitute 8 as x in f(x)=6x-4:

f(x) = 6(8)-4

2) Multiply 6 and 8:

f(x) = 48-4

3) Subtract:

f(x) = 44

6 0
3 years ago
Read 2 more answers
What can i do to be brainiest
grigory [225]

You can answer some questions that say (PLEASE ANSWER I WILL GIVE YOU BRAINIEST!!!!!!!) it usually happens if you answer it first ;D

7 0
3 years ago
Read 2 more answers
PLEASE PLEASE PLEASE HELP!!
vivado [14]
Tan 18 = x/2

⇒ 0.3249 = x/2

⇒ x = 2 * 0.3249 =

⇒ x = 0.6498 ≈ 0.65

Hope it helps!
6 0
4 years ago
Read 2 more answers
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