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Yuliya22 [10]
2 years ago
15

Which of the following is not a linear equation

Mathematics
1 answer:
nata0808 [166]2 years ago
4 0

Answer:

A pair of linear equations which has a unique solution x = 2, y = –3 is

a) x – 4y –14 = 0

5x – y – 13 = 0

b) 2x – y = 1

3x + 2y = 0

c) x + y = –1

2x – 3y = –5

d) 2x + 5y = –11

4x + 10y = –22

Step-by-step explanation:

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\sf{\red{Answer}}

\sf{m =  \frac{1}{2} }

\sf{\purple{Explanation}}

\sf{m =  \frac{y_{2}- y_{1}}{m_{2} - m_{1}} }

\sf{m =  \frac{9- 3}{7- ( - 5)} }

\sf{m =  \frac{6}{7 +  5} }

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\sf{m =  \frac{1}{2} }

3 0
1 year ago
70 decreased by 13% =
Pie
If you have a calculator: 
<span>1) To find 1%, divide by 100 (70 / 100 = 0.7) </span>

<span>2) Then, multiply by the % you need (0.7 x 13 = 9.1) </span>

<span>Therefore 70 - 9.1 = 60.9 </span>

<span>If you don't have a calculator: </span>
<span>1) Find 50%, 10%, 5%, and 1%. With these, you can make any % you need. </span>
<span>50% = X / 2 (= 35) </span>
<span>10% = X / 10 (= 7) </span>
<span>5% = first, do 10%, then divide that by 2 (= 3.5) </span>
<span>1% = X / 100 (= 0.7) </span>
<span>Where X is the number you want to work out % for </span>

<span>2) Add those % up to get the amount you want </span>
<span>10% + 1% + 1% +1% = 13% </span>
<span>7 + 0.7 + 0.7 + 0.7 = 9.1 </span>

<span>Therefore 70 - 9.1 = 60.9
Hope that helps :)</span>
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Where does the graph of y = sin x from x = 0 to x = 2π start?
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molly shot 20 baskets in 4 minutes Nico shot 42 baskets in 6 minuets how many more baskets did nico shoot per minuete did
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Nico shot more baskets. Molly shot 5 baskets per minute. 20/4=5 Nico shot 7 baskets per minute. 42/6=7
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3 years ago
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