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expeople1 [14]
2 years ago
6

What equation represents the proportional relationship displayed in the table? x 2 4 6 8 y 10 20 30 40 Enter your answer by fill

ing in the box to complete the equation. y = x Question 3 (1 point) The graph shows a proportional relationship between the number of kilometers traveled by a bicycle (y) and the number of minutes (x). graph with x axis labeled time in minutes and y axis labeled distanced traveled in kilometers. a line starts at the origin 0 comma 0 and runs through the point 40 comma 12 What is the unit rate, expressed in kilometers per minute? Question 3 options: 0.33 km/min 0.30 km/min 3.10 km/min 3.33 km/min
Mathematics
1 answer:
hjlf2 years ago
5 0

Answer: y=5x

Step-by-step explanation:

pls mark brainliest :)

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Miguel is playing a game in which a box contains four chips with numbers written on them. Two of the chips have the number 1, on
Iteru [2.4K]

Answer:

P(X_i=2) =\dfrac{1}{6}

P(X_i=-1) =\dfrac{5}{6}

Step-by-step explanation:

Given the numbers on the chips = 1, 1, 3 and 5

Miguel chooses two chips.

Condition of winning: Both the chips are same i.e. 1 and 1 are chosen.

Miguel gets $2 on winning and loses $1 on getting different numbers.

To find:

Probability of winning $2 and losing $1 respectively.

Solution:

Here, we are given 4 numbers 1, 1, 3 and 5 out of which 2 numbers are to be chosen.

This is a simple selection problem.

The total number of ways of selecting r numbers from n is given as:

_nC_r = \frac{n!}{r!(n-r)!}

Here, n = 4 and r = 2.

So, total number of ways = _4C_2  = \frac{4!}{2!\times 2!} = 6

Total number of favorable cases in winning = choosing two 1's from two 1's i.e. _2C_2 = \frac{2!}{2! 0! } = 1

Now, let us have a look at the formula of probability of an event E:

P(E) = \dfrac{\text{Number of favorable ways}}{\text{Total number of ways}}

So, the probability of winning.

P(X_i=2) =\dfrac{1}{6}

Total number of favorable cases for -1: (6-1) = 5

So, probability of getting -1:

P(X_i=-1) =\dfrac{5}{6}

Please refer to the attached image for answer table.

7 0
3 years ago
Can you describe how to write 4,638,000,000 in scientific notation
Lorico [155]

Answer:

4.638 × 10⁹

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A circle has a diameter with endpoints (-7, -1) and (-5, -9). What is the equation of the circle? r2 = (x + 6)2 + (y + 5)2 r2 =
Fantom [35]
Answer: (x + 6)² + (y + 5)² = 17

Explanation:

1)  The equation of a circle is: (x - a)² + (y - b)² = r², wnere:
a is the x-coordinate of the center of the circleb is the y-coordinate of the center of the circler is the radius of the circle
2) Since the points (-7,-1) and (-5,9) define a diameter, you can find the center of the circle as the mid point of the diameter:
x-coordinate of the mid point = (-7 - 5) / 2 = - 12 / 2 = - 6
y-coordinate of the mid point = (-9 - 1)/ 2 = - 10 / 2 = - 5

Therefore, the center of the circle is (-6,-5)

3) The radius of the center is half the diameter.
The length of the diameter is found using the formula for the distance between two points applied to the two endopoints given:
diameter² = (7 - 5)² + (- 1 + 9)² = 2² + 8² = 4 + 64 = 68

⇒diameter = √68 = 2√17

⇒ radius = diamter / 2 = 2√17 / 2 = √17

4) Now you can replace the coordinates of the center and the radius into the equation:
(x + 6)² + (y + 5)² = 17


8 0
3 years ago
Anyone help ASAP pls!!!
adoni [48]

Answer:

81 cubic ft. is the answer.

3 0
3 years ago
A bag contains
UkoKoshka [18]

Step-by-step explanation:

10/20 per try, .2multiply by 100 tries = 20

5 0
3 years ago
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