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Paraphin [41]
3 years ago
12

Find the slope of (-1, -2), (2, 4)

Mathematics
1 answer:
erik [133]3 years ago
7 0

Answer:

2x

Step-by-step explanation:

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Which of the following is an extraneous solution of sqrt 4x + 41 = x+5
stiv31 [10]

Answer:

x=-8

Step-by-step explanation:

\sqrt{4x+41}=x+5

on squaring both sides

4x+41=(x+5)^2\\\\4x+41=x^2+10x+25\\\\x^2+6x-16=0\\\\x^2+8x-2x-16=0\\\\x(x+8)-2(x+8)=0\\\\(x-2)(x+8)=0

either x-2=0  or  x+8=0

either x=2 or x=-8

Putting x=2 in original equation, we get

\sqrt{4\times 2+41}=2+5

7=7 hence, it is not an extraneous solution

Putting x=-8 in original equation

\sqrt{4\times (-8)+41}=-8+5

i.e. 3=-3

Hence, x=-8 is an extraneous solution (since it doesn't satisfy the original equation)

3 0
3 years ago
Read 2 more answers
FInd the measure of RST.
Firlakuza [10]
The answer is probably 30 or 60
3 0
3 years ago
The volume of construction work was increased by 60% but the productivity of labor increased by only 25%. By what percent must t
777dan777 [17]
<span>The number of workers must be increased by 28%.</span>
5 0
3 years ago
The number of pastries produced by a bakery can be represented by
antiseptic1488 [7]

Answer:

where are the others

Step-by-step explanation:

is there supposed to be other numbers?

3 0
3 years ago
4/6, 7/12, 5/10
Elden [556K]
In order from least to greatest: 
5/10 , 7/12 , 4/6 
You have to find a common denominator of all 3 numbers which is 60 and then you proceed with the next steps. 
7 0
3 years ago
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