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stepan [7]
2 years ago
14

How to find the intersection of -3x+y=9 and 4x-7y=5

Mathematics
1 answer:
pogonyaev2 years ago
3 0
Intersection
x - 7,0
y - 0,-4
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What multiplys by 11/2 gets to15/4?<br> please fast helpppppppp
r-ruslan [8.4K]

Answer: 11/2 x 15/4 = 165 /8  = 205 /8 = 20.625


Step-by-step explanation:

Multiple: 11 /2  * 15 /4  = 11 · 15 2 · 4  = 165 /8

Multiply both numerators and denominators.

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2 years ago
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59:26 What is the length of the hypotenuse, x, if (20, 21, x) is a Pythagorean triple? 22 29 41 42
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If the legs are length a and b and hyptonuse is c then
a²+b²=c²

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Pierre throws a snowball up in the
erastovalidia [21]

Using the given function, it is found that the snowball traveled 4 feet when the height is 20 feet.

<h3>What is the function for the ball's height?</h3>

The height when x feet are traveled is given by:

h(x) = -0.5x² + 6x + 4.

When the height is of 20 meters, we have that h(x) = 20, hence:

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For the first time: x - 4 = 0 -> x = 4.

The snowball traveled 4 feet when the height is 20 feet.

More can be learned about functions at brainly.com/question/25537936

3 0
1 year ago
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