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vredina [299]
3 years ago
13

The distance that Scott walks is a function of the time he spends walking. Scott can walk 1 half

Mathematics
1 answer:
MaRussiya [10]3 years ago
8 0

Step-by-step explanation:

It is given that,

The distance that Scott walks is a function of the time he spends walking. Scott can walk 1 half  mile every 8 minutes.

Let y is the distance (in miles) and x is time (in minutes).

\dfrac{0.5}{8}=\dfrac{y}{x}\\\\\dfrac{x}{y}=16\\\\y=\dfrac{x}{16}

The attached graph predicts the shape of the function. Hence, this is the required solution.

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6 boys on the baseball team split 9 cupcakes after the game what fraction of the cupcakes did each boy get?
NNADVOKAT [17]

Answer:

2/3

Step-by-step explanation:

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2 years ago
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Which value is greater than 5/8 or 60 %
antoniya [11.8K]

Answer:

5/8

Step-by-step explanation:

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Evaluate 7r- 15/8 when r=3 and s=5
HACTEHA [7]

Answer:

Which is equal to 18.

Step-by-step explanation:

7(3) - 15/(5). 7 x 3 is equal to 21, 15/5 is equal to 3. you are now left with 21-  3,

6 0
3 years ago
Find two vectors in R2 with Euclidian Norm 1<br> whoseEuclidian inner product with (3,1) is zero.
alina1380 [7]

Answer:

v_1=(\frac{1}{10},-\frac{3}{10})

v_2=(-\frac{1}{10},\frac{3}{10})

Step-by-step explanation:

First we define two generic vectors in our \mathbb{R}^2 space:

  1. v_1 = (x_1,y_1)
  2. v_2 = (x_2,y_2)

By definition we know that Euclidean norm on an 2-dimensional Euclidean space \mathbb{R}^2 is:

\left \| v \right \|= \sqrt{x^2+y^2}

Also we know that the inner product in \mathbb{R}^2 space is defined as:

v_1 \bullet v_2 = (x_1,y_1) \bullet(x_2,y_2)= x_1x_2+y_1y_2

So as first condition we have that both two vectors have Euclidian Norm 1, that is:

\left \| v_1 \right \|= \sqrt{x^2+y^2}=1

and

\left \| v_2 \right \|= \sqrt{x^2+y^2}=1

As second condition we have that:

v_1 \bullet (3,1) = (x_1,y_1) \bullet(3,1)= 3x_1+y_1=0

v_2 \bullet (3,1) = (x_2,y_2) \bullet(3,1)= 3x_2+y_2=0

Which is the same:

y_1=-3x_1\\y_2=-3x_2

Replacing the second condition on the first condition we have:

\sqrt{x_1^2+y_1^2}=1 \\\left | x_1^2+y_1^2 \right |=1 \\\left | x_1^2+(-3x_1)^2 \right |=1 \\\left | x_1^2+9x_1^2 \right |=1 \\\left | 10x_1^2 \right |=1 \\x_1^2= \frac{1}{10}

Since x_1^2= \frac{1}{10} we have two posible solutions, x_1=\frac{1}{10} or x_1=-\frac{1}{10}. If we choose x_1=\frac{1}{10}, we can choose next the other solution for x_2.

Remembering,

y_1=-3x_1\\y_2=-3x_2

The two vectors we are looking for are:

v_1=(\frac{1}{10},-\frac{3}{10})\\v_2=(-\frac{1}{10},\frac{3}{10})

5 0
3 years ago
Winston earns $140.00 by selling 56 hot dogs at the concession stand at school. Using the same rate for
Free_Kalibri [48]

Answer:

140/56= 2,5$ every hot dog

175/2,5=70 hot dogs

70-56=14 more hot dogs to earn 175$

Step-by-step explanation:

7 0
3 years ago
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