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ella [17]
3 years ago
5

Y varies directly as the square of x. When x = 5, y = 100. Find y when x = 6.

Mathematics
1 answer:
loris [4]3 years ago
4 0
Let be x=5, so y=100= 5² *4=5²*2²=100
so if x=6, so y=6²*2²=36*4=144
 the answer is <span>y = 144</span>
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Find the distance between the points (5, -5) and (-7,4).
abruzzese [7]

Answer:

<h2>The answer is 15 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(5, -5) and (-7,4)

The distance between them is

d =  \sqrt{ ({5 + 7})^{2}  +  ({ - 5 - 4})^{2} }  \\  =  \sqrt{ {12}^{2}  + ( { - 9})^{2} }  \\  =  \sqrt{144 + 81}  \\  =  \sqrt{225}  \\  = 15 \:  \:  \:  \:  \:  \:

We have the final answer as

<h3>15 units</h3>

Hope this helps you

4 0
3 years ago
Using the Law of Sines to find a triangle with one obtuse angle if
nydimaria [60]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Convert the given amount to the given unit.<br> 27 yd; ft<br> 27 yd = ft
timurjin [86]

Answer:

81 ft

Step-by-step explanation:

1 yard=3ft

27 x 3=81

So the answer is 81 ft

4 0
3 years ago
Read 2 more answers
What is the range for y=x^2-7x-8 ?
gtnhenbr [62]

Answer:

[-20.25;+∞).

Step-by-step explanation:

1) according to the properties of the given parabola the minimum is:

x_0=-\frac{-7}{2}=3.5; \ y_0=-20.25;

2) y₀=-20.25 means, the value -20.25 is minimum of the range, the maximum →+∞;

3) finally, the range y≥-20.25.

7 0
2 years ago
How to find slope y=3x+5
klemol [59]

This equation is in slope-intercept form; y = mx+b.

m is the slope and b is the y-intercept, so to find the slope you'd look at the coefficient of x.

In this equation, y = 3x+5, the coefficient of x is 3, so that means that the slope of this equation is 3.

Answer is:

3 is the slope

3 0
3 years ago
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