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e-lub [12.9K]
3 years ago
6

Given the equation 3x+9y=-8,write a second linear equation to create a system that has exactly one solution.

Mathematics
1 answer:
Fofino [41]3 years ago
7 0
I’m pretty sure it is 3y+9x=-8
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Calculate the side of a square whose perimeter is 36m<br>Show working<br>Step by step explanation​
Pie

Answer:

One side is 9 m

Step-by-step explanation:

Perimeter = 36 m

Perimeter = 4a

a = P/4

a = 36/4

a = 9

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3 years ago
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Answer:

y is NOT a function.

Step-by-step explanation:

The equation given to us is:

x² + 3y² = 3

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For any equation to be a function, there should be only one output for one input. Which means that for any value of x, there should be only one value of y. However, in this equation, as the underroot gives two values of any terms under it, it shows that if we put any value of x, we'll get 2 values of y. Therefore, y is not a function.

4 0
3 years ago
A duck's mass at birth was 0.05 kilogram. The duck gained approximately 0.042 kilogram each week. After how many weeks is the du
Alex_Xolod [135]
Given that the first mass of the duck is 0.05 kg and it gains weight at a rate of 0.042 kg/week, the equation that would represent this scenario is,
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4 years ago
The 6-foot man casts a shadow that is 10 feet
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Answer:

<h2>80 feet</h2>

Step-by-step explanation:

6:10 ratio

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8 0
3 years ago
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