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2 years ago

X Y. Determine whether y varies directly with x If so find the constant vartion k and write the equation

Mathematics

1 answer:

kirza4 [7]2 years ago

6 0

Answer:

6.4 = k*4

k = 6.4 / 4

k = 1.60

11.2 = k * 7

k = 11.2 / 7

k = 1.60

16 = k * 10

k = 16/10

k = 1.60

20.8 = k * 13

k = 20.8/13

k = 1.60

Step-by-step explanation:

hope this helps! so sorry if it doesn't try not to stress over school please<3

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3 years ago

What is the least positive integer by which 24 should be divided so that the resulting integer is a perfect square?

Daniel [21]

Answer: divide by 6?

Step-by-step explanation:

What is the least positive integer by which 24 should be divided so that the resulting integer is a perfect square?

If we actually guess and check by dividing by 1, then 2, then 3, then etc. we will get the answer. I tried and divided by 6, which is 4, which is a perfect square. Do not trust me completely on this, for I am not quite sure.

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2 years ago

Please answer one question asap <br>A(-4,3) B(2,-1) D(-4,-1) C(2,-5)

Leni [432]

Answer:

Step-by-step explanation:

Vertices of the given quadrilateral are A(-4, 3), B(2, -1), C(2, -5) and D(-4, -1)

Since, slope of a line passing through two points $(x_1,y_1)$ and $(x_2,y_2)$ is given by,

Slope = $\frac{y_2-y_1}{x_2-x_1}$

Slope of AB = $\frac{3+1}{-4-2}$

= $-\frac{2}{3}$

Slope of AD = $\frac{3+1}{-4+4}$

= Not defined (Parallel to y-axis)

Slope of DC = $\frac{-5+1}{2+4}$

= $-\frac{2}{3}$

Slope of BC = $\frac{-1+5}{2-2}$

= Not defined (Parallel to y-axis)

Slope of AB = slope of DC = $-\frac{2}{3}$

Slope of BC = slope of AD = Not defined (parallel to y-axis)

As per property of a parallelogram,

"Opposite sides of a parallelogram are parallel and equal in measure"

Therefore, ABCD is a parallelogram.

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3 years ago

R=2t/3+v, solve for t

BartSMP [9]

I wrote my decision on a piece of paper.

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3 years ago

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devlian [24]

Answer:

2 + 1 = 3

Step-by-step explanation:

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3 years ago