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artcher [175]
2 years ago
15

F(x)=(x - 4)^2-1 what is x ?

Mathematics
1 answer:
AysviL [449]2 years ago
3 0

Answer:

(x−3)(x−5)

Step-by-step explanation:

Hope this helped

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PLEASE HELPPPPPPPPPPPPPPPP
iogann1982 [59]

Answer:

Our radius is already given, 8.

8 x 3.14 x 2 = 50.24cm <-------- perimeter/circumference

8^2 x 3.14

64 x 3.14 = 200.96cm2 <------- area

Formula of a circumference:

2πr

2 x pie x radius (pie can be used as 22/7 or 3/4 most likely 3.14)

Formula of an area of a Circle:

πr^2

pie x radius squared (pie can be used as 22/7 or 3.14)

6 0
2 years ago
Trevor paid a total of $1.08 in fines for an overdue library book. If the penalty for overdue books is $0.09 per day, how many d
WARRIOR [948]

Answer:

12

Step-by-step explanation:

1.08 1.08 divded by 0.09 equals 12

6 0
2 years ago
Help me with this please also please show me how you got the answer so I understand it
Ilya [14]
We already know that C = 45.  All we really need to do is simplify the equation and then solve for x.

45 = x + 0.06x + 0.08x + 0.1x
45 = (1 + 0.06 + 0.08 + 0.1)x
45 = 1.24x
x = 36.2903, which rounds to $36.29 for the haircut.
3 0
3 years ago
Given the value of cos 20° ≈ 0.9397, enter the sine of a complementary angle. Use an expression relating trigonometric ratios of
NARA [144]

cos(20) = sin(70)

note how 20+70 = 90

The general rule is that if x+y = 90, then cos(x) = sin(y). The rule works in reverse as well. Another way to phrase the rule is cos(x) = sin(90-x).

So,

\cos 20^{\circ} = \boxed{\sin 70^{\circ}} \approx \boxed{0.9397}

Note: if the computer doesn't like the answer of "sin 70" then try "sin(70)" and see how that works out. It's also possible that the teacher wants the single numeric value of "70" in the first box rather than the "sine" part to go along with it. Though that would be strange and incorrect since cos(20) = 70 is a false statement.

8 0
3 years ago
A clock tower has a large bell that rings on the hour. The edge of the bell has a radius of 4 meters. What is the edge's circumf
lions [1.4K]

Answer: 25.3m

Step-by-step explanation:

pi x 4

6 0
3 years ago
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