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serg [7]
3 years ago
15

If f(x) = 3x – 2 and g(x) = 2x + 1, find (f + g)(x).

Mathematics
1 answer:
sergey [27]3 years ago
7 0
The answer is 5x^2-x because you have to plug in and then distribute. 
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Alan's dogs have a total of 24 legs (l). If each dog has 4 legs, which equation gives the number of dogs (d) that Alan has?
N76 [4]
Your answer would be A
He had 6 dogs 
4x6d=24
3 0
4 years ago
A typical running track is an oval with 74-m-diameter half circles at each end. a runner going once around the track covers a di
denpristay [2]

Answer:

Her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

Step-by-step explanation:

Total distance covered in one round , D= 400 m

Time taken to cover one round , T = 1 min 40 s = 100 sec

Speed of runner , V=\frac{D}{T}=\frac{400}{100}\, \frac{m}{s}= 4.0\, \frac{m}{s}

Now centripetal acceleration is given by

a_c=\frac{V^{2}}{R}

where V= 4.0\frac{m}{s}

Radius, R= \frac{Diameter}{2}=\frac{74}{2}m=37\, m

\therefore a_c=\frac{4^{2}}{37}\, \frac{m}{s^{2}}=0.432\, \frac{m}{s^{2}}

Thus her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

4 0
4 years ago
Read 2 more answers
Solve the following equation. log(3x)=log(2x-4) *
Irina18 [472]

log(3x) = log(2x-4)

taking antilog of both sides:

3x = 2x - 4

3x - 2x = -4                    [subtracting 2x from both sides]

x = -4

and we're done already!

5 0
3 years ago
In a function, every output value corresponds to exactly one input value true or false
svet-max [94.6K]
It Is True . For A Function Each Input Should Only Have One OutPut . Example ❤️ : Input | Output 01 | 05 02. | 08 03. | 06 It Wouldn't Be A Function If The Input Had Repeated Example ❤️ : Input | Output 07. | 03 09. | 01 09. | 12 03. | 02
6 0
3 years ago
1.In the diagram of circle M shown, various points are located on the circle as shown. 
 a) List three segments that are radii o
dalvyx [7]

Answer:

(a)|MA|, |MB| and |MC|

(b) |BD|

(c) |BC|

Step-by-step explanation:

An adapted diagram of this question is attached. You can vary the labelled letters as required.

<u>Definition</u>

  • A <u>radius </u>is a line drawn from the center of a circle to its circumference.
  • A <u>segment </u>is a line that connects two points.
  • A <u>diameter</u> is a chord which passes through the center of the circle.
  • A <u>chord</u> is any line joining two points on the circles' circumference.

By these definitions:

(a)Segments that are radii of this circle.

We have: |MA|, |MB| and |MC|

(b)Segment that is a diameter of this circle.

|BD|

(c)A chord of this circle that is not a diameter.

|BC|

3 0
3 years ago
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