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Maksim231197 [3]
3 years ago
15

Identify the k-value that makes the relationship shown in the table below proportional.​

Mathematics
1 answer:
uysha [10]3 years ago
5 0

Answer:

The value of k that makes the relationship shown in the table below proportional is \mathbf{\frac{1}{2}}

Step-by-step explanation:

The relation is proportional if y=kx \:or\:k=\frac{y}{x}

Putting values of x and y to find k.

For x =2 and y =1 k is: k=\frac{y}{x}=\frac{1}{2}

For x =4 and y =2 k is: k=\frac{y}{x}=\frac{2}{4} =\frac{1}{2}

For x =6 and y = 3 k is: k=\frac{y}{x}=\frac{3}{6} =\frac{1}{2}

For x = 8 and y = 4 k is: k=\frac{y}{x}=\frac{4}{8} =\frac{1}{2}

For x =10 and y = 5 k is: k=\frac{y}{x}=\frac{5}{10} =\frac{1}{2}

So, The value of k that makes the relationship shown in the table below proportional is \mathbf{\frac{1}{2}}

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How to do this question plz answer my question ​
Degger [83]

Answer:

$121.82

Step-by-step explanation:

Okay, this is kind of complex, so let's go step by step.

First, we want to find the area of the rectangular lawn - we can do this by multiplying the length and width. The length is 100 and the width is 45 so 45\cdot100=4500 m² is the area of the rectangle.

However, there are 3 ponds in which the grass seeds will not be going - so we need to find the area of all 3 of these circles and subtract it from 4500 (our rectangle area).

The area of a circle is represented by the formula \pi r^2

The diameters are given here, which is double the radius, so to find the radius of each circle let's divide the diameters by 2.

First circle's radius: 20\div2=10

Second circle's radius: 10\div2=5

Third circle's radius: 5\div2=2.5

Now let's find the area of each circle.

<em>First Circle</em>: \pi \cdot10^2 = \pi\cdot100=3.14\cdot100=314

<em>Second Circle</em>: \pi\cdot5^2 = \pi \cdot25 = 3.14\cdot25=78.5

<em>Third Circle:</em> \pi \cdot 2.5^2 = \pi \cdot6.25 = 3.14\cdot6.25=19.625

Adding all of these values gets us 412.125.

Now we can subtract from this from 4500 to get us 4087.875

If the grass seeds that cost £1.49 cover 50m² each, then we need 4087.875\div50=81.7575 bags.

Each bag costs £1.49, so the total cost is 81.7575\cdot1.49\approx121.82

Hope this helped!!

5 0
3 years ago
How do we do this out?
mars1129 [50]

\dfrac{ {2x}^{2} + 7x + 6 }{x + 2}  \\  \\  =  \dfrac{(2x + 3)(x + 2)}{x + 2}  \\  \\  = 2x + 3

Answer : 2x + 3

Hope this helps. - M
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4 years ago
Order from greatest to least 2.007; 2.714; 2.09; 2.97
Naya [18.7K]
2.97, 2.714, 2.09, 2.007
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Whats the equation of a line parallel to y=-1/2x+6 that passes through (-4,1)
gtnhenbr [62]

Answer:

y=-1/2x-6

Step-by-step explanation:

Find the slope of the original line and use the slope-intercept form


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3 years ago
DOES ANYONE KNOW HOW TO DO THIS QUESTION????????
gladu [14]

Answer:

The answers are given below.

Step-by-step explanation:

1. There is a correlation between shoe-size and reading ability.There is probably also causation. This is because there is an increase in reading ability with increase in shoe-size

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