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ikadub [295]
3 years ago
13

How do you do this, can someone help please?

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

your answer is C.

Step-by-step explanation:

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Kim was walking down a rocky path.For 4 minutes, the elevation dropped steadily.All together it dropped 8 feet. What was the cha
fenix001 [56]

Answer:

2  \frac {{\textrm{feet}}}{{\textrm{minute}}}

Step-by-step explanation:

Kim was walking down a rocky path. For 4 minutes,  the elevation dropped steadily. All together it dropped 8 feet.

So, the change in elevation per minute for the 4 minutes is given by,

\frac {8}{4} \frac {{\textrm{feet}}}{{\textrm{minute}}}

= 2  \frac {{\textrm{feet}}}{{\textrm{minute}}}

(Answer)

8 0
3 years ago
write the standard equation of a circle that is tangent to the x-axis with the center located at (2,4)​
dmitriy555 [2]

Answer:

Step-by-step explanation:

radius=4 as it is tangent to x-axis.

y co-ordinate of center is 4 so radius=4

eq. of circle is (x-2)²+(y-4)²=4²

or x²-4x+4+y²-8y+16=16

or x²+y²-4x-8y+4=0

4 0
3 years ago
What is the vertex and axis of symmetry for y=4x^2-12x+9?
VLD [36.1K]

Answer:

axis of symmetry   x=3/2

vertex  (3/2, 0)

Step-by-step explanation:

to find the axis of symmetry we use h = -b/2a

where ax^2 + bx+c


h = -(-12)/2(4)

h= 12/8

h = 3/2

the axis of symmetry is x = 3/2

the x coordinate of the vertex is h x=3/2

to find k, the y coordinate of the vertex, substitute x=3/2 into the equation

y=4x^2-12x+9

y=4(3/2) ^2-12(3/2)+9

 = 4 (9/4)  - 6*3 +9

  = 9-18+9

  = 0


the vertex (3/2, 0)

4 0
3 years ago
What is the measure of the angle ?
Roman55 [17]

Answer:

Answer → C) 121°

Step-by-step explanation:

» Let the wanted angle be x

{ \tt{x = 121 \degree}} \\  { \tt{ \{alternate \: angles \}}}

4 0
2 years ago
Which of the following about the normal distribution is not​ true?
Lostsunrise [7]

Answer:

Normal distribution is a Continuous distribution.

Step-by-step explanation:

Normal Distribution:

The following information is true about normal distribution.

  • ​Theoretically, the​ mean, median, and mode are the same.
  • Its parameters are the​ mean, mu​, and standard​ deviation, sigma.
  • About two thirds of the observations fall within plus or minus 1 standard deviation from the mean.

But normal distribution is not a discrete distribution. It is a continuous distribution.

  • The normal distribution is a continuous probability distribution. This has several implications for probability.
  • The probability that a normal random variable X equals any particular value is 0.
5 0
3 years ago
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