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Olegator [25]
3 years ago
12

(01.01 LC)A dancer took forward and backward steps of equal length during a dance. After taking 16 steps total, she was back at

her starting position. How many steps did the dancer take in the forward and backward directions?
Mathematics
2 answers:
Doss [256]3 years ago
8 0

Note that the steps in total are 16. She takes the same amount of steps forward and backward, and so divide 16 by 2

16/2 = 8

She takes 8 steps forward, and 8 steps backward.

hope this helps

Gennadij [26K]3 years ago
5 0

Since the steps are the same size, and she ended up where she started, she must have taken the same number of steps forward as she took backward.

16/2 = 8

She took 8 steps forward and 8 steps backward.

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If P(A)= 0.3 and P(B|A)=0.9 what is P(A B)?
Serga [27]
You seem to be missing a symbol, which I assume is intersection \cap.

From the definition of conditional probability,

\mathbb P(B|A)=\dfrac{\mathbb P(B\cap A)}{\mathbb P(A)}\implies0.9=\dfrac{\mathbb P(B\cap A)}{0.3}\implies\mathbb P(B\cap A)=0.27
5 0
3 years ago
Find the minimum or maximum of the function. Describe the domain/range in interval notation y=6x^2-1
Margarita [4]

max is at vertex

in form y=ax^2+bx+c

the x value of the vertex is \frac{-b}{2a}

given, y=6x^2-1

a=6, b=0

the x value of the vertex is -0/(2*6)=0

the y value is y=6(0)^2-1=0-1=-1

so vertex is at (0,-1)

since the value of a is positive, the parabola opens up and the vertex is a minimum value of the function

therefore that value is the smallest value the function can be



domain=numbesr you can use for x

range=numbesr you get out of inputting the domain


domain=all real numbers

range is {y | y≥-1} since y=-1 is the minimum

7 0
2 years ago
Anyone wanna help me answer this? Help me out please
devlian [24]

Answer:

(-1,5\frac{1}{2})

(0, 6)

(1, 6\frac{1}{2})

(2, 7)

Step-by-step explanation:

Just implement x and solve for y.

7 0
2 years ago
Helppppp mereeeeeeeeeee
Vera_Pavlovna [14]

Answer:

A. (x-5)(x-7)

B. It means the zeroes of the graph are at (5,0) and (7,0)

Step-by-step explanation:

A

find what + what equals -12, and multiples to 35.

List all multiples of 35.

1 35

<em>5 7</em>

- 12 is negative so that means it is -5 and -7

(x-5)(x-7)

B

The factor numbers are where the zeroes on a graph are, <u>but</u> whatever is in parenthesis, the number is opposite on a graph (e.g. if it was (x-3), the zero would be (3,0)

4 0
3 years ago
Lin took 75 boxes of carrots and 80 boxes of potatoes to the market. She sold 68 boxes of carrots and 71 boxes of potatoes. How
Verdich [7]
She took 7 boxes of carrots and 9 boxes of potatoes home.

75 boxes of carrots - 68 boxes of carrots = 7 boxes of carrots.

80 boxes of potatoes - 71 boxes of potatoes = 9 boxes of potatoes.
3 0
2 years ago
Read 2 more answers
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