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Serhud [2]
3 years ago
14

Pleaseeee help eoth #7

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
6 0

Answer:

SAS

Step-by-step explanation:

statements:

  1. line KN = LM
  2. line KN || LM
  3. line LN = LN
  4. ∠KNL = ∠MLN
  5. ΔKLN = ΔMNL

reasons:

  1. given
  2. given
  3. reflexive property
  4. alternate interior angle
  5. SAS
bulgar [2K]3 years ago
3 0
1 is the given at the top of the question and the reasoning is bec it’s given
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Define a variable and write an expression for the prhase. The quotient of 6 times a number and 16
Mariana [72]

Let x be the unknown number. This means that "six times a number" becomes 6x. Finally, we want to compute the quotient between this quantity and 16, which leads to

\dfrac{6x}{16}

3 0
4 years ago
HELP QUICK 19 POINTS
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Answer:

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Given the system of equations:
mr_godi [17]

Answer:

Step-by-step explanation:

Given the system of equations:

2x + 3y = 15

X + 3y = 0

What is x?

2x + 3y = 15

X + 3y = 0         subtract the bottom equation fron the top one

2x - x + 3y - 3y = 15 - 0        see how the 3y - 3y equates to zero

  2x - x  = 15

        x  =  15        Now for  extra credit what is y?  

                                  X + 3y = 0

                                 15 + 3y = 0

                                 15 - 15 + 3y = 0 - 15

                                          3y = -15

                                        3y/3 = -15/3

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6 0
3 years ago
1. A tank is 3/5 full of water. After 330 litres of water is drawn out, it becomes 2/7 full. Find the capacity of the tank in li
Andreas93 [3]

Answer:

1050

Step-by-step explanation:

Let x = full capacity

\frac{3}{5} x=\frac{2}{7} x+330

Move the variable to the left side by subtracting both sides by \frac{2}{7} x

\frac{3}{5} x-\frac{2}{7}x=\frac{2}{7} x+330 -\frac{2}{7}x

\frac{3}{5} x-\frac{2}{7} x=330

Combine the like terms (don't forget about common denominator)

\frac{21}{35} x-\frac{10}{35} x=330

\frac{11}{35} x=330

Multiply both sides by \frac{35}{11} to isolate the x

(\frac{35}{11})\frac{11}{35} x=330(\frac{35}{11})

x = 1050

5 0
3 years ago
At a certain school, intro to economics and intro to calculus meet at the same time, so it is impossible for a student take both
zimovet [89]

Answer:

  0.74

Step-by-step explanation:

P(A∪B) = P(A) + P(B) - P(A∩B) = 0.57 + 0.17 - 0

P(A∪B) = 0.74

The probability of A∩B is zero because the classes are mutually exclusive.

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