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Paha777 [63]
3 years ago
13

PLEASE HELP FPR BRAINLIEST SNSWER!!!!!!!!!! THIS QUESTION CONFUESD ME!!!

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
8 0
D.) 13.8 good luck byeeeee
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If M is the midpoint of LN and LN =27.8 , find the length of MN . A) 13.8 B) 13.9 C ) 14.2 D) 14.5
dimulka [17.4K]
The answer is B. 13.9. Since M is the midpoint, it splits the line into 2 equal parts.
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2x+8y = 6<br> 15x + 20y = 15
Likurg_2 [28]

Answer:

The solution is (0, 3/4)

Step-by-step explanation:

Please copy and share the instructions.  Here they are:  Solve the following system of linear equations.

Both of the equations can be reduced (simplified):

2x+8y = 6            =>  x + 4y = 3

15x + 20y = 15     => 3x + 4y = 3

Let's use the elimination by addition and subtraction method.  Multiply the first equation by -1, obtaining

                                 -x - 4y = -3

Add the second       3x + 4y = 3

equation to the

first.

We get:                       2x = 0.

Thus, x = 0.  Substituting 0 for x in the 1st original equation yields:

2(0) + 8y = 6.  Then y = 6/8, or y = 3/4.

The solution is (0, 3/4).

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3 years ago
If f(x)= 3/x+2- square root x-3, complete the following statement: f(19)=
I am Lyosha [343]

f(7)≈1.6666                Please mark me as brainliest

round

f(7)=1.67

The domain of the function is the set of all the values of x that would allow the function to have real values. Since the radicand is x - 3, the value of x cannot be less than 3 because that would make the value of sqrt (x - 3) an imaginary number. Thus, the domain should be all numbers GREATER than or equal to 3.

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