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2 years ago

Plz help me the photo is right below plz open and help me its for an exam

Mathematics

1 answer:

gogolik [260]2 years ago

6 0

Answer: ima go with b sorry if i wrong

Step-by-step explanation:

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If ƒ(x) = -5n + 1 and g(x) = -6n + 2, find (ƒ + g)(-2).

Stels [109]

(f+g) (n) = (–5n +1 ) + (- 6n +2) = –11n +3

(f+g) (n) = –11n +3

(f+g) (–2) = – 11 (–2) +3 = 22 +3 = 25

I hope I helped you^_^

3 0

2 years ago

Help fast. do first question only and please show work thx.

amm1812

Y = -0.01x^2 + 0.5x + 3

when the height y = 8
-0.01x^2 + 0.5x + 3 = 8
-0.01x^2 + 0.5x - 5 = 0

x = 13.82 and x = 36.18 so the ball is at least 8 ft high from 13.82 and 36.18 feet inclusive.- from the player.

If the player is 30 ft from the net then the ball is likely to go over the net.

7 0

2 years ago

Find the value of x.

allsm [11]

Answer:

$3 \sqrt{5}$

Step-by-step explanation:

x is the center of the circle.

the chord of length 12 can be splitted into two parts of 6 length each.

since the radius does not change when it touches another end of the circle, we can safely calculate our radius to be the hypotenuse of the triangle formed by the length of the chord and 3.

The explanation is given in the picture

5 0

2 years ago

The time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with . Round your an

IRISSAK [1]

Answer:

Step-by-step explanation:

Assuming the decay factor, m = 0.0005

f(x) = $1 - e^{-mx}$

f(9000) = $1 - e^{-0.0005*9000}$ = 1 - 0.0111 = 0.99

5 0

2 years ago

Help please answer this .... is this bettter?

iris [78.8K]

Answer:

x = 53 degrees

Step-by-step explanation:

Alternate exterior angles are equal if two parallel lines are cut by a transversal.

If m and n are parallel, then

3x-28 = 2x+25

Subtract 2x from each side.

3x-28-2x = 2x+25-2x

x-28 =25

Add 28 to each side.

x-28+28 = 25+28

x = 53

5 0

2 years ago